RecNo	KArRecNo	KArAge	KArErr	KArMin	KArAnalType	KArLabNo	KArDecCon	K2Opct	40ArRad	PctRadAr	SampSuit	AddRef	KArComm	KArSampCom	KArAnalCom	KArOthrCom
3	1	1843.47	90	biotite	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04*"	6.82	315				age of metamorphic crystallization	RADIOGENIC ARGON GREATER THAN 85%		
4	1	2409.21	120	biotite	conventional K-Ar	2	"4.72E-04, 0.585E-04, 1.19E-04*"	6.94	505				minimum age of intrusion	RADIOGENIC ARGON GREATER THAN 85%		
5	1	1325.18	65	biotite	conventional K-Ar	3	"4.72E-04, 0.585E-04, 1.19E-04*"	8.52	240				minimum age of metamorphic crystallization	RADIOGENIC ARGON GREATER THAN 85%		
6	1	41.63	1.4	biotite	conventional K-Ar	G-B0506/AM-X17837	"4.72E-04, 0.585E-04, 1.19E-04*"	8.17	4.954	65			minimum age of intrusion	"SAMPLE CONTAINS 95% BIOTITE PLUS QUARTZ, FELDSPAR, ETC.  MESH SIZE -60+200."		
7	1	3.17		sanidine	37Ar-41Ar total fusion	21	"4.72E-04, 0.585E-04, 1.19E-04*"	9.2	0.42	17			age not evaluated	ERROR NOT QUOTED		
7	2	2.04		sanidine	37Ar-41Ar total fusion	21	"4.72E-04, 0.585E-04, 1.19E-04*"	9.2	0.27	20			age not evaluated	ANALYTICAL ERROR NOT QUOTED		
7	3	5.73		sanidine	37Ar-41Ar total fusion	21	"4.72E-04, 0.585E-04, 1.19E-04*"	9.2	0.76	19			age not evaluated	ANALYTICAL ERROR NOT QUOTED		
7	4	3.02		sanidine	37Ar-41Ar total fusion	21	"4.72E-04, 0.585E-04, 1.19E-04*"	9.2	0.4	15			age not evaluated	ANALYTICAL ERROR NOT QUOTED		
10	1	2863.09	90	biotite	conventional K-Ar	378	"4.72E-04, 0.585E-04, 1.19E-04*"	7.81	788.9	99			minimum age of intrusion			
11	1	2734.79	80	biotite	conventional K-Ar	3209	"4.72E-04, 0.585E-04, 1.19E-04*"	8.76	808.5	99			minimum age of intrusion			
12	1	2693.34	80	biotite	conventional K-Ar	3342	"4.72E-04, 0.585E-04, 1.19E-04*"	8.43	755.4	99			minimum age of intrusion			
13	1	2714.93	80	biotite	conventional K-Ar	351	"4.72E-04, 0.585E-04, 1.19E-04*"	8.6	782.6	99			minimum age of intrusion			
14	1	2709.07	80	biotite	conventional K-Ar	3296	"4.72E-04, 0.585E-04, 1.19E-04*"	7.73	700.5	99			minimum age of intrusion			
15	1	2704.06	80	biotite	conventional K-Ar	3201	"4.72E-04, 0.585E-04, 1.19E-04*"	8.4	758.5	99			minimum age of intrusion	AVERAGED ARGON CONTENT LISTED		
16	1	2732.76	80	biotite	conventional K-Ar	3160	"4.72E-04, 0.585E-04, 1.19E-04*"	9.16	844.2	99			minimum age of intrusion			
17	1	2671.76	80	biotite	conventional K-Ar	3117	"4.72E-04, 0.585E-04, 1.19E-04*"	8.89	784.4	99			minimum age of intrusion			
18	1	2721.12	80	biotite	conventional K-Ar	491	"4.72E-04, 0.585E-04, 1.19E-04*"	7.63	697.4	99			minimum age of intrusion			
19	1	2748.73	80	biotite	conventional K-Ar	466	"4.72E-04, 0.585E-04, 1.19E-04*"	8.53	795.1	99			minimum age of intrusion	AVERAGED ARGON CONTENT LISTED		
20	1	2736.68	80	biotite	conventional K-Ar	456	"4.72E-04, 0.585E-04, 1.19E-04*"	8.64	798.5	99			minimum age of intrusion	AVERAGED ARGON CONTENT LISTED		
21	1	2434.97	70	biotite	conventional K-Ar	496	"4.72E-04, 0.585E-04, 1.19E-04*"	6.76	501.5	98			minimum age of intrusion			
22	1	2472.26	70	biotite	conventional K-Ar	498	"4.72E-04, 0.585E-04, 1.19E-04*"	5.75	438.6	99			minimum age of intrusion			
23	1	2633.67	80	biotite	conventional K-Ar	3290	"4.72E-04, 0.585E-04, 1.19E-04*"	6.19	531.4	99			minimum age of intrusion			
24	1	2502.91	80	biotite	conventional K-Ar	3324	"4.72E-04, 0.585E-04, 1.19E-04*"	7.26	566.5	99			minimum age of intrusion	AVERAGED ARGON CONTENT LISTED		
25	1	2447.92	70	biotite	conventional K-Ar	3260	"4.72E-04, 0.585E-04, 1.19E-04*"	2.71	203	98			minimum age of intrusion	AVERAGED ARGON CONTENT LISTED		
26	1	2572.43	80	biotite	conventional K-Ar	3314	"4.72E-04, 0.585E-04, 1.19E-04*"	5.67	465.6	98			minimum age of intrusion	AVERAGED ARGON CONTENT LISTED		
27	1	2501.55	80	biotite	conventional K-Ar	4120	"4.72E-04, 0.585E-04, 1.19E-04*"	8.3	647	99			minimum age of metamorphic crystallization			
28	1	2498.04	80	biotite	conventional K-Ar	4102	"4.72E-04, 0.585E-04, 1.19E-04*"	7.11	552.8	99			minimum age of metamorphic crystallization			
29	1	2617.56	80	biotite	conventional K-Ar	4101	"4.72E-04, 0.585E-04, 1.19E-04*"	8.24	699.2	99			minimum age of metamorphic crystallization			
30	1	2510.65	80	biotite	conventional K-Ar	3397	"4.72E-04, 0.585E-04, 1.19E-04*"	7.88	618.4	99			minimum age of metamorphic crystallization			
31	1	2492.41	80	biotite	conventional K-Ar	4194	"4.72E-04, 0.585E-04, 1.19E-04*"	8.2	634.9	99			minimum age of metamorphic crystallization			
32	1	2505.41	80	biotite	conventional K-Ar	3421	"4.72E-04, 0.585E-04, 1.19E-04*"	3.67	286.9	98			minimum age of metamorphic crystallization			
33	1	2437.63	70	biotite	conventional K-Ar	4128	"4.72E-04, 0.585E-04, 1.19E-04*"	3.83	284.7	98			minimum age of metamorphic crystallization			
34	1	2479.2	70	biotite	conventional K-Ar	3375	"4.72E-04, 0.585E-04, 1.19E-04*"	6.25	479.2	99			minimum age of intrusion			
35	1	2372.53	70	biotite	conventional K-Ar	4181	"4.72E-04, 0.585E-04, 1.19E-04*"	7.19	508.9	99			minimum age of metamorphic crystallization	AVERAGED ARGON CONTENT LISTED		
36	1	2506.76	80	biotite	conventional K-Ar	3440	"4.72E-04, 0.585E-04, 1.19E-04*"	8.24	644.8	99			minimum age of metamorphic crystallization			
37	1	2464.1	70	biotite	conventional K-Ar	4220	"4.72E-04, 0.585E-04, 1.19E-04*"	8.08	612.6	99			minimum age of metamorphic crystallization			
38	1	2402.3	70	biotite	conventional K-Ar	4222	"4.72E-04, 0.585E-04, 1.19E-04*"	8.79	636.3	98			minimum age of metamorphic crystallization			
39	1	39.68	2.1	hornblende	conventional K-Ar	L-949	"4.72E-04, 0.585E-04, 1.19E-04*"	0.599	0.346	25			age meaning uncertain (analysis questionable and geologic factors	"ANALYZED MATERIAL CONSISTED OF HORNBLENDE PLUS AEGIRINE-AUGITE, -60+100 MESH"		
40	1	49.95	1.6	hornblende	conventional K-Ar	L-950	"4.72E-04, 0.585E-04, 1.19E-04*"	0.506	0.369	42			age of intrusion	ANALYZED MATERIAL CONTAINED HORNBLENDE PLUS AUGITE;     -60 +100 MESH		
41	1	55.51	2.2	augite-ferroaugite	conventional K-Ar	L-1018	"4.72E-04, 0.585E-04, 1.19E-04*"	0.207	0.168	30			age of intrusion	ANALYZED AUGITE CONTAINED 5% IMPURITIES.  AVERAGED     POTASSIUM CONTENT LISTED		
42	1	50.92	1.7	aegerine (acmite)	conventional K-Ar	L-1115	"4.72E-04, 0.585E-04, 1.19E-04*"	0.195	0.145	35			age of intrusion	ANALYZED SEPARATE CONTAINED 2% IMPURITIES		
43	1	1.11	0.4	phlogopite	conventional K-Ar	L-1019	"4.72E-04, 0.585E-04, 1.19E-04*"	10.19	0.163	5			age of intrusion			
44	1	1810	40	amphiboles	conventional K-Ar	2	"4.72E-04, 0.585E-04, 1.19E-04*"	0.1658	0.7436	93			minimum age of intrusion			
45	1	1686	40	amphiboles	conventional K-Ar	3	"4.72E-04, 0.585E-04, 1.19E-04*"	0.1915	0.7687	70			minimum age of intrusion			
46	1	1877	40	amphiboles	conventional K-Ar	4	"4.72E-04, 0.585E-04, 1.19E-04*"	0.1643	7.81	80			minimum age of intrusion			
47	1	47.42	2.3	hornblende	conventional K-Ar	DKA1439	"4.72E-04, 0.584E-04, 1.19E-04*"	0.61	0.422	62			minimum age of volcanism	POTASSIUM CONTENT DETERMINED BY ISOTOPE   DILUTION IN REPLICATE		
48	1	47.2	1.8	hornblende	conventional K-Ar	DKA-1437	"4.72E-04, 0.584E-04, 1.19E-04*"	0.658	0.453	76			age of volcanism	"POTASSIUM CONTENT DETERMINED BY ISOTOPE DILUTION     ANALYSES, IN REPLICATE"		
49	1	75	1.5	biotite	conventional K-Ar	7	"4.72E-04, 0.584E-04, 1.19E-04*"	8.88	9.79	92			age of volcanism			
49	2	74.06	0.7	biotite	conventional K-Ar	7	"4.72E-04, 0.584E-04, 1.19E-04*"	8.48	9.23	94			age of volcanism			
50	1	1500.64	80	whole rock	conventional K-Ar	BT-21	"4.72E-04, 0.585E-04, 1.19E-04*"	1.13	38.08	85		Baadsgaard and Mueller (1973)		POTASSIUM DETERMINED BY X-RAY FLUORESCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER.		
51	1	1962.32	100	whole rock	conventional K-Ar	BT-29	"4.72E-04, 0.585E-04, 1.19E-04*"	1.67	85.34	98		Baadsgaard and Mueller (1973)		POTASSIUM DETERMINED BY X-RAY FLUORSCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER		
52	1	2157.82	110	whole rock	conventional K-Ar	BT-31	"4.72E-04, 0.585E-04, 1.19E-04*"	0.39	23.37	98		Baadsgaard and Mueller (1973)		POTASSIUM DETERMINED BY GRAVIMETRIC METHOD.  ARGON CONTENT CALCULCATED BY COMPILER.		
53	1	740.87	40	whole rock	conventional K-Ar	BT-33	"4.72E-04, 0.585E-04, 1.19E-04*"	1.16	15.3	95		Baadsgaard and Mueller (1973)		POTASSIUM DETERMINED BY X-RAY FLUORESCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER		
54	1	1691.02	80	whole rock	conventional K-Ar	BT-37	"4.72E-04, 0.585E-04, 1.19E-04*"	1.38	55.67	98		Baadsgaard and Mueller (1973)		POTASSIUM DETERMINED BY X-RAY FLUORESCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER.		
55	1	1995.55	100	whole rock	conventional K-Ar	BT-39	"4.72E-04, 0.585E-04, 1.19E-04*"	0.58	30.47	98		Baadsgaard and Mueller (1973)		POTASSIUM DETERMINED BY X-RAY FLUORESCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER.		
56	1	1664.86	80	whole rock	conventional K-Ar	BG-2	"4.72E-04, 0.585E-04, 1.19E-04*"	0.57	22.45	96			minimum age of intrusion	POTASSIUM DETERMINED BY X-RAY FLUORESCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER.		
57	1	2504.59	130	whole rock	conventional K-Ar	BG-3	"4.72E-04, 0.585E-04, 1.19E-04*"	0.55	42.97	98			minimum age of intrusion	POTASSIUM DETEMINED BY X-RAY FLUORESCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER.		
58	1	1634.36	80	whole rock	conventional K-Ar	BG-7	"4.72E-04, 0.585E-04, 1.19E-04*"	0.62	23.74	98			minimum age of intrusion	POTASSIUM DETERMINED BY GRAVIMETRIC ANALYSIS.  ARGON CONTENT CALCULATED BY COMPILER.		
59	1	2021.78	100	whole rock	conventional K-Ar	BG-11	"4.72E-04, 0.585E-04, 1.19E-04*"	0.57	30.6	97			minimum age of intrusion	POTASSIUM DETERMINED BY GRAVIMETRIC ANALYSIS.  ARGON CONTENT CALCULATED BY COMPILER.		
60	1	1880.07	90	whole rock	conventional K-Ar	BG-12	"4.72E-04, 0.585E-04, 1.19E-04*"	0.75	35.75	98			minimum age of intrusion	POTASSIUM DETERMINED BY GRAVIMETRIC ANALYSIS.  ARGON CONTENT CALCULATED BY COMPILER.		
61	1	1594.19	80	whole rock	conventional K-Ar	BG-13	"4.72E-04, 0.585E-04, 1.19E-04*"	0.64	23.6	95			minimum age of intrusion	POTASSIUM DETERMINED BY X-RAY FLUORESCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER.		
62	1	2127.12	110	whole rock	conventional K-Ar	A-46	"4.72E-04, 0.585E-04, 1.19E-04*"	0.38	22.22	97			minimum age of intrusion	POTASSIUM DETERMINED BY X-RAY FLUORSCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER.		
63	1	1400.92	70	whole rock	conventional K-Ar	A-89	"4.72E-04, 0.585E-04, 1.19E-04*"	0.31	9.452	87			minimum age of intrusion	POTASSIUM DETERMINED BY GRAVIMETRIC ANALYSIS.  ARGON CONTENT CALCULATED BY COMPILER.		
64	1	2107.62	110	whole rock	conventional K-Ar	OC-1	"4.72E-04, 0.585E-04, 1.19E-04*"	1.06	61.02	98			minimum age of intrusion	POTASSIUM DETERMINED BY X-RAY FLUORESCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER.		
65	1	2089.47	100	whole rock	conventional K-Ar	OC-2	"4.72E-04, 0.585E-04, 1.19E-04*"	0.74	41.98	98			minimum age of intrusion	POTASSIUM DETERMINED BY X-RAY FLUORESCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER.		
66	1	1912.44	100	whole rock	conventional K-Ar	OC-4	"4.72E-04, 0.585E-04, 1.19E-04*"	0.87	42.63	99			minimum age of intrusion	POTASSIUM DETERMINED BY X-RAY FLUORESCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER.		
67	1	1946.81	100	whole rock	conventional K-Ar	OC-6	"4.72E-04, 0.585E-04, 1.19E-04*"	0.86	43.38	99			minimum age of intrusion	POTASSIUM DETERMINED BY X-RAY FLUORESCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER.		
68	1	2019.87	100	whole rock	conventional K-Ar	OC-9	"4.72E-04, 0.585E-04, 1.19E-04*"	0.9	48.24	96			minimum age of intrusion	POTASSIUM DETERMINED BY GRAVIMETRIC ANALYSIS.  ARGON CONTENT CALCULATED BY COMPILER.		
69	1	1781.58	90	whole rock	conventional K-Ar	WRD-2	"4.72E-04, 0.585E-04, 1.19E-04*"	1.22	53.38	99			minimum age of intrusion	POTASSIUM DETERMINED BY X-RAY FLUORESCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER.		
70	1	1791.38	90	whole rock	conventional K-Ar	WRD-7	"4.72E-04, 0.585E-04, 1.19E-04*"	0.97	42.81	99			minimum age of intrusion	POTASSIUM DETERMINED BY X-RAY FLUORESCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER.		
71	1	909.59	45	whole rock	conventional K-Ar	WRD-36	"4.72E-04, 0.585E-04, 1.19E-04*"	0.69	11.75	99			age meaning uncertain (analysis questionable)	POTASSIUM DETERMINED BY X-RAY FLUORESCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER.		
72	1	1419.48	70	whole rock	conventional K-Ar	WRD-37	"4.72E-04, 0.585E-04, 1.19E-04*"	1.08	33.56	99		Spall (1971)		POTASSIUM DETERMINED BY X-RAY FLUORESCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER.		
73	1	1482.29	70	whole rock	conventional K-Ar	WRD-38	"4.72E-04, 0.585E-04, 1.19E-04*"	0.84	27.8	99		Spall (1971)		POTASSIUM DETERMINED BY X-RAY FLUORESCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER.		
74	1	1308.94	60	whole rock	conventional K-Ar	WRD-40	"4.72E-04, 0.585E-04, 1.19E-04*"	0.98	27.13	99		Spall (1971)	age meaning uncertain (analysis questionable)	POTASSIUM DETERMINED BY X-RAY FLUORESCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER.		
75	1	2058.98	100	whole rock	conventional K-Ar	WRD-43	"4.72E-04, 0.585E-04, 1.19E-04*"	0.96	53.13	98			minimum age of intrusion	POTASSIUM DETERMINED BY X-RAY FLUORESCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER.		
76	1	1889.12	90	whole rock	conventional K-Ar	WRD-47	"4.72E-04, 0.585E-04, 1.19E-04*"	0.54	25.94	96			minimum age of intrusion	POTASSIUM DETERMINED BY X-RAY FLUORESCENCE AND A GRAVIMETRIC METHOD. ARGON CONTENT CALCULATED BY COMPILER.		
90	1	780.71	31	whole rock	conventional K-Ar	WY13	"4.72E-04, 0.584E-04, 1.18E-04*"	1.09	15.33	96			age of intrusion	ARGON-40 DATA IS AVERAGE OF REPLICATE DETERMINATIONS; OTHER RADIOGENIC ARGON VALUE IS 85%.		
91	1	823.45	33	biotite	conventional K-Ar	WY12A	"4.72E-04, 0.584E-04, 1.18E-04*"	6.445	96.83	93	7		age of later metamorphism	THIS IS ONE OF TWO BIOTITE SPLITS OF DIFFERENT MESH SIZE.		
91	2	763.12	30	biotite	conventional K-Ar	WY12A'	"4.72E-04, 0.584E-04, 1.18E-04*"	4.47	61.13	90	7		age of later metamorphism	THIS IS ONE OF TWO BIOTITE SPLITS OF DIFFERENT MESH SIZE.  ARGON CONTENT DETERMINED IN REPLICATE.  THE OTHER RADIOGENIC ARGON VALUE IS 89%.		
91	3	1488.38	60	hornblende	conventional K-Ar	WY12A	"4.72E-04, 0.584E-04, 1.18E-04*"	0.78	25.97	93	7		age of later metamorphism	POTASSIUM AND ARGON CONTENT DETERMINED IN REPLICATE; AVERAGED VALUES GIVEN.  THE OTHER RADIOGENIC ARGON VALUE IS 83%.		
92	1	2416.17	90	hornblende	conventional K-Ar	WY12B	"4.72E-04, 0.584E-04, 1.18E-04*"	0.918	67.15	98	7		age of later metamorphism	ARGON CONTENT DETERMINED IN REPLICATE; AVERAGED VALUE GIVEN. OTHER RADIOGENIC ARGON VALUE IS 95%.		
93	1	1054.71	40	biotite	conventional K-Ar	WY12D	"4.72E-04, 0.584E-04, 1.18E-04*"	7.29	150.4	98	7		age of later metamorphism			
93	2	2481.4	100	hornblende	conventional K-Ar	WY12D	"4.72E-04, 0.584E-04, 1.18E-04*"	0.918	70.5	97	7		age of later metamorphism			
94	1	1250.57	50	biotite	conventional K-Ar	WY12E	"4.72E-04, 0.584E-04, 1.18E-04*"	6.51	169.1	98	7		age of later metamorphism	ARGON CONTENT DETERMINED IN REPLICATE; AVERAGED VALUE GIVEN.  OTHER RADIOGENIC ARGON VALUE IS 97%.		
95	1	2583.52	110	hornblende	conventional K-Ar	WY12F	"4.72E-04, 0.584E-04, 1.18E-04*"	0.884	73.18	96	7		age of metamorphic crystallization			
97	1	1936.69	80	biotite	conventional K-Ar	WY12H	"4.72E-04, 0.584E-04, 1.18E-04*"	6.87	343.6	97	7		age of later metamorphism			
98	1	2275.99	90	biotite	conventional K-Ar	WY12J	"4.72E-04, 0.584E-04, 1.18E-04*"	4.88	320.8	96	7		age of later metamorphism			
98	2	2587.32	100	hornblende	conventional K-Ar	WY12J	"4.72E-04, 0.584E-04, 1.18E-04*"	0.86	71.39	98	7		age of metamorphic crystallization	ARGON CONTENT DETERMINED THREE TIMES; AVERAGED VALUE GIVEN.  OTHER RADIOGENIC ARGON VALUES ARE 96% AND 96%.		
99	1	2581.05	100	biotite	conventional K-Ar	WY12N	"4.72E-04, 0.584E-04, 1.18E-04*"	7.29	602.4	98	7		age of metamorphic crystallization	ARGON CONTENT DETERMINED IN REPLICATE.  OTHER RADIOGENIC ARGON VALUE IS 96%.		
100	1	39		Unk	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"					Black (1969)	minimum age of volcanism	ANALYTICAL DATA NOT GIVEN		
101	1	39		Unk	conventional K-Ar	NOT GIVEN	"4.72E-04, 0.585E-04, 1.19E-04"					Black (1969)	minimum age of volcanism	ANALYTICAL DATA NOT GIVEN		
102	1	34		Unk	conventional K-Ar	NOT GIVEN	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism	ANALYTICAL DATA NOT GIVEN		
103	1	41.2		biotite	conventional K-Ar	NOT GIVEN	"4.72E-04, 0.585E-04, 1.19E-04"					Riedel (1969)	age of volcanism	ANALYTICAL DATA NOT GIVEN.		
104	1	34.4	1.4	glass	conventional K-Ar	NOT GIVEN	"4.72E-04, 0.585E-04, 1.19E-04"					Riedel (1969)	age of volcanism	ANALYTICAL DATA NOT GIVEN		
105	1	2725.87	140	biotite	conventional K-Ar	3389	"4.72E-04, 0.585E-04, 1.19E-04*"	7.83	718.1	99			minimum age of metamorphic crystallization			
106	1	2673.59	140	biotite	conventional K-Ar	3437	"4.72E-04, 0.585E-04, 1.19E-04*"	6.91	610.5	99			minimum age of metamorphic crystallization			
107	1	2655.32	140	biotite	conventional K-Ar	4166	"4.72E-04, 0.585E-04, 1.19E-04*"	7.46	650.5	99			minimum age of metamorphic crystallization			
108	1	2640.95	130	biotite	conventional K-Ar	4123	"4.72E-04, 0.585E-04, 1.19E-04*"	7.19	620.5	99			minimum age of metamorphic crystallization			
109	1	2503.26	130	biotite	conventional K-Ar	3217	"4.72E-04, 0.585E-04, 1.19E-04*"	7.95	620.5	99			minimum age of metamorphic crystallization			
110	1	2387.16	120	biotite	conventional K-Ar	4199	"4.72E-04, 0.585E-04, 1.19E-04*"	4.02	287.7	77			minimum age of metamorphic crystallization			
111	1	2273.44	120	biotite	conventional K-Ar	4212	"4.72E-04, 0.585E-04, 1.19E-04*"	7.97	522.9	99			minimum age of metamorphic crystallization			
112	1	1950	100	feldspar	conventional K-Ar	4111	"4.72E-04, 0.585E-04, 1.19E-04*"	0.99	50.04	98			age not evaluated			
113	1	1942.38	100	feldspar	conventional K-Ar	4177	"4.72E-04, 0.585E-04, 1.19E-04*"	1.18	59.3	97			age not evaluated			
114	1	1802.69	90	feldspar	conventional K-Ar	3406	"4.72E-04, 0.585E-04, 1.19E-04*"	2.47	110.1	98			age not evaluated			
115	1	1383.51	70	feldspar	conventional K-Ar	4143	"4.72E-04, 0.585E-04, 1.19E-04*"	3.85	115.3	98			age not evaluated			
116	1	2134.41	110	whole rock	conventional K-Ar	3429	"4.72E-04, 0.585E-04, 1.19E-04*"	2.28	134.1	98			age not evaluated			
117	1	2900.59	150	biotite	conventional K-Ar	3137	"4.72E-04, 0.585E-04, 1.19E-04*"	4.73	490.4	99			age of metamorphic crystallization			
118	1	3113.02	160	biotite	conventional K-Ar	4115	"4.72E-04, 0.585E-04, 1.19E-04*"	8.35	1001	99			maximum age of intrusion			
119	1	3037.91	160	biotite	conventional K-Ar	3153	"4.72E-04, 0.585E-04, 1.19E-04*"	7.73	880.7	99			maximum age of intrusion			
120	1	2792.39	140	biotite	conventional K-Ar	4142	"4.72E-04, 0.585E-04, 1.19E-04*"	7.73	743.1	87			age of intrusion			
121	1	2694.96	140	biotite	conventional K-Ar	3143	"4.72E-04, 0.585E-04, 1.19E-04*"	6.61	593	100			age of intrusion			
122	1	2778.92	140	biotite	conventional K-Ar	338	"4.72E-04, 0.585E-04, 1.19E-04*"	7.83	745.6	99			age of intrusion			
123	1	2743.66	140	biotite	conventional K-Ar	349	"4.72E-04, 0.585E-04, 1.19E-04*"	5.63	522.9	98			age of intrusion			
124	1	2662.54	140	biotite	conventional K-Ar	386	"4.72E-04, 0.585E-04, 1.19E-04*"	8.05	705.6	99			age of intrusion			
125	1	2999.69	150	biotite	conventional K-Ar	3115	"4.72E-04, 0.585E-04, 1.19E-04*"	7.1	788.1	99			maximum age of metamorphic crystallization			
126	1	2650.69	130	whole rock	conventional K-Ar	4149	"4.72E-04, 0.585E-04, 1.19E-04*"	7.6	660.5	87			age of intrusion	POTASSIUM CONTENT APPEARS TOO HIGH FOR WHOLE-ROCK SAMPLE; MORE LIKELY A BIOTITE WAS ANALYZED.		
127	1	2927.78	150	whole rock	conventional K-Ar	3225	"4.72E-04, 0.585E-04, 1.19E-04*"	0.54	57.05	96			maximum age of intrusion			
128	1	2008.55	100	feldspar	conventional K-Ar	39	"4.72E-04, 0.585E-04, 1.19E-04*"	1.47	78.06	96			age of intrusion			
174	1	1578	80	Unk	conventional K-Ar	M78-MU	"4.72E-04, 0.585E-04, 1.19E-04*"	10.42	0.3784				age of metamorphic crystallization			
177	1	1.25		phlogopite	conventional K-Ar	NOT GIVEN	"4.72E-04, 0.585E-04, 1.19E-04"						age of intrusion	NO ANALYTICAL DATA GIVEN.  PHLOGOPITE IS ASSUMED TO BE THE ANALYZED MATERIAL.		
178	1	1.25		phlogopite	conventional K-Ar	NOT GIVEN	"4.72E-04, 0.585E-04, 1.19E-04"						age of intrusion	NO ANALYTICAL DATA GIVEN.  PHLOGOPITE IS ASSUMED TO BE THE ANALYZED MATERIAL.		
179	1	3.72	1	whole rock	conventional K-Ar	NOT GIVEN	"4.72E-04, 0.585E-04, 1.19E-04*"	2.85	0.1526	29			age of volcanism	-60+100 MESH SIZE		
180	1	94		biotite	conventional K-Ar	#4	"4.72E-04, 0.585E-04, 1.19E-04*"						age of volcanism	NO ANALYTICAL DATA GIVEN IN ARTICLE	"DECAY CONSTANTS:  LAMBDA-BETA=4.76 E-10/YR, LAMBDA-EPSILON=0.589 E-10/YR, 40K/K=1.181 E-04 ATOM PERCENT"	
180	2	97		sanidine	conventional K-Ar	#4	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN IN ARTICLE		
181	1	96		biotite	conventional K-Ar	#3	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN IN ARTICLE		
181	2	96		sanidine	conventional K-Ar	#3	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN IN ARTICLE		SEE RECORD 180 FOR DECAY CONSTANTS
182	1	90		biotite	conventional K-Ar	#2	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN IN ARTICLE.		
182	2	93		sanidine	conventional K-Ar	#2	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN IN ARTICLE.		DECAY CONSTANTS - SEE RECORD 180
183	1	90		biotite	conventional K-Ar	#1B	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN IN ARTICLE.		
183	2	94		sanidine	conventional K-Ar	#1B	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN IN ARTICLE.  LISTED AGE IS AVERAGE OF TWO DETERMINATIONS:  93.7 AND 94.8 M.Y.		DECAY CONSTANTS - SEE RECORD 180
184	1	86		biotite	conventional K-Ar	#1A	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN IN ARTICLE.		
184	2	94		sanidine	conventional K-Ar	#1A	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN IN ARTICLE.		DECAY CONSTANTS - SEE RECORD 180
185	1	35.2		sanidine	conventional K-Ar	KA895	"4.72E-04, 0.585E-04, 1.19E-04"	4.31		93			age of volcanism	ANALYZED MATERIAL CONSISTED OF SANIDINE (70%) AND PLAGIOCLASE (30%). NO ARGON CONTENT GIVEN.		
186	1	33.3		biotite	conventional K-Ar	KA897	"4.72E-04, 0.585E-04, 1.19E-04"	6.55		23			age of volcanism	ANALYZED MATERIAL CONSISTED OF BIOTITE WITH SEVERAL PERCENT OF HORNBLENDE.  NO ARGON CONTENT GIVEN.		
187	1	32.6		biotite	conventional K-Ar	KA898	"4.72E-04, 0.585E-04, 1.19E-04"	8.35		69			age of volcanism	NO ARGON CONTENT GIVEN		
188	1	33.7		biotite	conventional K-Ar	KA899	"4.72E-04, 0.585E-04, 1.19E-04"	8.01		59			age of volcanism	NO ARGON CONTENT GIVEN.		
189	1	35.7		sanidine	conventional K-Ar	KA900	"4.72E-04, 0.585E-04, 1.19E-04"	5.19		94			age of volcanism	ANALYZED MATERIAL CONSISTED OF SANIDINE (80%) AND PLAGIOCLASE (20%). NO ARGON CONTENT GIVEN.		
190	1	31.6		biotite	conventional K-Ar	KA1032	"4.72E-04, 0.585E-04, 1.19E-04"	8.16		72			age of volcanism	NO ARGON CONTENT GIVEN.		
191	1	9.2		glass	conventional K-Ar	KA929	"4.72E-04, 0.585E-04, 1.19E-04"	4.84		69			age of volcanism	NO ARGON CONTENT GIVEN.		
192	1	49.2		biotite	conventional K-Ar	KA1012	"4.72E-04, 0.585E-04, 1.19E-04"	5.51		44			age of volcanism	NO ARGON CONTENT GIVEN		
193	1	45.4		biotite	conventional K-Ar	KA1018	"4.72E-04, 0.585E-04, 1.19E-04"	8.31		94			age of volcanism	NO ARGON CONTENT GIVEN.		
194	1	49		biotite	conventional K-Ar	KA1021	"4.72E-04, 0.585E-04, 1.19E-04"	7.97		78			age of volcanism	NO ARGON CONTENT GIVEN.		
195	1	45		biotite	conventional K-Ar	KA1024	"4.72E-04, 0.585E-04, 1.19E-04"	7.77		30			age of volcanism	NO ARGON CONTENT GIVEN		
196	1	2410	100	muscovite	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04"						age of intrusion	NO ANALYTICAL DATA GIVEN	"DECAY CONSTANTS:  LAMBDA-BETA=4.83 E-10/YR, LAMBDA EPSILON=0.585 E-10/YR"	
196	2	1570	60	K feldspar	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04"						initial age disturbed by later metamorphism	NO ANALYTICAL DATA GIVEN		
196	3	1810	70	biotite	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04"						initial age disturbed by later metamorphism	NO ANALYTICAL DATA GIVEN		
197	1	2410	100	muscovite	conventional K-Ar	2	"4.72E-04, 0.585E-04, 1.19E-04"						age of intrusion	NO ANALYTICAL DATA GIVEN	"DECAY CONSTANTS:  LAMBDA-BETA=4.83 E-10/YR, LAMBDA-EPSILON=0.585 E-10/YR"	
198	1	2470	100	muscovite	conventional K-Ar	3	"4.72E-04, 0.585E-04, 1.19E-04"						age of intrusion	NO ANALYTICAL DATA GIVEN		
198	2	1850	70	K feldspar	conventional K-Ar	3	"4.72E-04, 0.585E-04, 1.19E-04"						initial age disturbed by later metamorphism	NO ANALYTICAL DATA GIVEN	SEE RECORD 196 FOR DECAY CONSTANTS	
199	1	2460	100	muscovite	conventional K-Ar	4	"4.72E-04, 0.585E-04, 1.19E-04"						age of intrusion	NO ANALYTICAL DATA GIVEN		
199	2	2250	90	biotite	conventional K-Ar	4	"4.72E-04, 0.585E-04, 1.19E-04"						age of intrusion	NO ANALYTICAL DATA GIVEN	SEE RECORD 196 FOR DECAY CONSTANTS	
200	1	1510	60	biotite	conventional K-Ar	5	"4.72E-04, 0.585E-04, 1.19E-04"						initial age disturbed by later metamorphism	ANALYZED MATERIAL CONSISTED OF BIOTITE AND CHLORITE.  NO ANALYTICAL DATA WAS GIVEN.		
200	2	2490	100	muscovite	conventional K-Ar	5	"4.72E-04, 0.585E-04, 1.19E-04"						age of intrusion	NO ANALYTICAL DATA GIVEN	SEE RECORD 196 FOR DECAY CONSTANTS	
201	1	2100	80	biotite	conventional K-Ar	6	"4.72E-04, 0.585E-04, 1.19E-04"						initial age disturbed by later metamorphism	NO ANALYTICAL DATA GIVEN.	SEE RECORD 196 FOR DECAY CONSTANTS	
202	1	2050	80	biotite	conventional K-Ar	7	"4.72E-04, 0.585E-04, 1.19E-04"						initial age disturbed by later metamorphism	NO ANALYTICAL DATA GIVEN.	SEE RECORD 196 FOR DECAY CONSTANTS	
203	1	1840	70	biotite	conventional K-Ar	8	"4.72E-04, 0.585E-04, 1.19E-04"						initial age disturbed by later metamorphism	NO ANALYTICAL DATA GIVEN.	SEE RECORD 196 FOR DECAY CONSTANTS	
204	1	1770	70	biotite	conventional K-Ar	9	"4.72E-04, 0.585E-04, 1.19E-04"						initial age disturbed by later metamorphism	NO ANALYTICAL DATA GIVEN	SEE RECORD 196 FOR DECAY CONSTANTS	
205	1	2200	90	biotite	conventional K-Ar	10	"4.72E-04, 0.585E-04, 1.19E-04"						initial age disturbed by later metamorphism	NO ANALYTICAL DATA GIVEN	SEE RECORD 196 FOR DECAY CONSTANTS	
206	1	1328.99	70	biotite	conventional K-Ar	B-0270	"4.72E-04, 0.585E-04, 1.19E-04*"	6.67	188.65				age of intrusion			
207	1	1389.25	50	biotite	conventional K-Ar	B-0271	"4.72E-04, 0.585E-04, 1.19E-04*"	7.93	238.9				age of intrusion			
208	1	1431.28	70	biotite	conventional K-Ar	B-0272	"4.72E-04, 0.585E-04, 1.19E-04*"	2.14	67.3				maximum age of intrusion	ANALYZED MATERIAL CONTAINS CONSIDERABLE AMOUNT OF AMPHIBOLE AND TRACES OF PLAGIOCLASE.		
209	1	41	1.6	orthoclase	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"	5.88	3.59				age of intrusion	SODA-RICH ORTHOCLASE	"DECAY CONSTANTS:  LAMBDA-BETA=4.83 E-10/YR, LAMBDA-EPSILON=0.585 E-10/YR"	
209	2	40.99	1.6	orthoclase	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	5.88	3.51				age of intrusion	SODA-RICH ORTHOCLASE		
212	1	1693		microcline	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04*"	10.46	422.6				initial age disturbed by later metamorphism	ARGON CONTENT CALCULATED BY COMPILER.		
213	1	2471	50	muscovite	conventional K-Ar	GMYB-11	"4.8E-04, 0.58E-04*"	10.11	770.6	99		Giletti (1968)	age of intrusion	A SINGLE BOOK ABOUT TWO INCHES ACROSS WAS ANALYZED.  LISTED DATA IS AVERAGE OF REPLICATE DETERMINATIONS.		
215	1	2530	50	muscovite	conventional K-Ar	GMYB-16	"4.8E-04, 0.58E-04*"	10.53	838.2	99		Giletti (1968)	age of intrusion	A SINGLE BOOK ABOUT 4.5 INCHES ACROSS AND 4 INCHES THICK.		
216	1	2353	50	biotite	conventional K-Ar	GSMYB-17	"4.8E-04, 0.58E-04*"	9.29	648	96		Giletti (1968)	minimum age of metamorphic crystallization	95% PURE CONCENTRATE		
218	1	2548	50	biotite	conventional K-Ar	GSMYB-20	"4.8E-04, 0.58E-04*"	6.67	537.9	94		Giletti (1968)	minimum age of metamorphic crystallization	BIOTITE CONCENTRATE CONTAINED LESS THAN 5% IMPURITIES.		
219	1	1497.85	60	biotite	conventional K-Ar	PUF-27B	"4.72E-04, 0.584E-04, 1.19E-04*"	9.26	311.2	97			minimum age of metamorphic crystallization			
220	1	1543.68	60	biotite	conventional K-Ar	PUF-25B	"4.72E-04, 0.584E-04, 1.19E-04*"	6.79	238.6	98			minimum age of intrusion			
220	2	1535.84	60	biotite	conventional K-Ar	PUF-25B	"4.72E-04, 0.584E-04, 1.19E-04*"	6.79	236.8	97			minimum age of intrusion			
221	1	1381.15	70	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.99	238.7	98			minimum age of intrusion			
222	1	1359.21	70	biotite	conventional K-Ar	NOT GIVEN	"4.72E-04, 0.585E-04, 1.19E-04*"	3	87.6	95			minimum age of intrusion			
223	1	412.47		glauconite	conventional K-Ar	KA191	"4.72E-04, 0.584E-04, 1.19E-04*"	6.28	41.9	88			age not evaluated	AGE APPEARS TO BE TOO YOUNG FOR A CAMBRIAN SAMPLE.		
224	1	655.05		illite	conventional K-Ar	KA258	"4.72E-04, 0.584E-04, 1.19E-04*"	7.37	83.8	95			age not evaluated			
224	2	715.83		illite	conventional K-Ar	KA259	"4.72E-04, 0.584E-04, 1.19E-04*"	7.51	95	88			age not evaluated	16 TO 150 MICRO SIZE GRAINS FROM DISAGGREGATED SHALE		
224	3	656.24		illite	conventional K-Ar	KA260	"4.72E-04, 0.584E-04, 1.19E-04*"	7.24	82.5	92			age not evaluated	8-16 MICRO SIZE GRAINS FROM DISAGGREGATED SHALE		
224	4	538.64		illite	conventional K-Ar	KA261	"4.72E-04, 0.584E-04, 1.19E-04*"	7.06	63.8	92			age of volcanism	LESS THAN 8 MICRO SIZE GRAINS FROM DISAGGREGATED SHALE		
239	1	2470	50	muscovite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"					Gast and others (1958)	minimum age of intrusion	NO ANALYTICAL DATA GIVEN		
241	1	2520	50	muscovite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"					Gast and others (1958)	age of intrusion	NO ANALYTICAL DATA GIVEN		
242	1	2340	50	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"					Gast and others (1958)	minimum age of metamorphic crystallization	NO ANALYTICAL DATA GIVEN		
244	1	2540	100	biotite	conventional K-Ar	NOT GIVEN	"4.72E-04, 0.585E-04, 1.19E-04"						age of metamorphic crystallization	NO ANALYTICAL DATA GIVEN		
245	1	1410		biotite	conventional K-Ar	NOT GIVEN	"4.72E-04, 0.585E-04, 1.19E-04"						initial age disturbed by later metamorphism	NO ANALYTICAL DATA GIVEN		
246	1	1970		muscovite	conventional K-Ar	NOT GIVEN	"4.72E-04, 0.585E-04, 1.19E-04"						initial age disturbed by later metamorphism	NO ANALYTICAL DATA GIVEN		
247	1	2240		muscovite	conventional K-Ar	NOT GIVEN	"4.72E-04, 0.585E-04, 1.19E-04"						minimum age of intrusion	NO ANALYTICAL DATA GIVEN		
248	1	1680		muscovite	conventional K-Ar	NOT GIVEN	"4.72E-04, 0.585E-04, 1.19E-04"						initial age disturbed by later metamorphism	NO ANALYTICAL DATA GIVEN		
249	1	49.2	1.5	sanidine	conventional K-Ar	A	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN		
250	1	48	1.3	biotite	conventional K-Ar	C	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN		
251	1	47.9	1.3	sanidine	conventional K-Ar	E	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN		
251	2	48.5	1.3	biotite	conventional K-Ar	E	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN		
252	1	46.1	1.2	sanidine	conventional K-Ar	F	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN		
253	1	49.3	1.4	biotite	conventional K-Ar	G	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN; BIOTITE IS ALTERED.		
254	1	47.8	1.3	sanidine	conventional K-Ar	H	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN		
254	2	47.9	1.3	biotite	conventional K-Ar	H	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN		
255	1	46.2	1.8	hornblende	conventional K-Ar	I	"4.72E-04, 0.584E-04, 1.19E-04"					Rohrer and Obradavich (1969)	age of volcanism	NO ANALYTICAL DATA GIVEN		
256	1	46.5	2.3	hornblende	conventional K-Ar	J	"4.72E-04, 0.584E-04, 1.19E-04"					Rohrer and Obradavich (1969)	age of volcanism	NO ANALYTICAL DATA GIVEN		
257	1	44.4	1.4	hornblende	conventional K-Ar	K	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL  DATA GIVEN		
257	2	45.5	1.3	biotite	conventional K-Ar	K	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN		
258	1	47.1	1.3	biotite	conventional K-Ar	L	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN		
259	1	46.7	1.5	biotite	conventional K-Ar	M	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism	NO   ANALYTICAL DATA GIVEN		
260	1	44.6	1.2	biotite	conventional K-Ar	N	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism	NO ANALYTICAL DATA GIVEN		
261	1	1305.47		whole rock	conventional K-Ar	MBT-17	"4.72E-04, 0.585E-04, 1.19E-04*"	0.62	17.1	97			initial age disturbed by later metamorphism	POTASSIUM VALUE IS AVERAGE OF REPLICATE DETERMINATION.		
262	1	1511.59		whole rock	conventional K-Ar	MBT-46	"4.72E-04, 0.585E-04, 1.19E-04*"	0.96	32.7	88			initial age disturbed by later metamorphism			
263	1	1713.73		whole rock	conventional K-Ar	MBT-47	"4.72E-04, 0.585E-04, 1.19E-04*"	1.44	59.3	100			initial age disturbed by later metamorphism			
264	1	1385.19		whole rock	conventional K-Ar	MBT-50A	"4.72E-04, 0.585E-04, 1.19E-04*"	1.27	38.1	100			initial age disturbed by later metamorphism			
265	1	1628.65		whole rock	conventional K-Ar	MBT-1	"4.72E-04, 0.585E-04, 1.19E-04*"	1.15	43.8	99			initial age disturbed by later metamorphism			
266	1	1710.67		whole rock	conventional K-Ar	MBT-2	"4.72E-04, 0.585E-04, 1.19E-04*"	1.5	61.6	100			initial age disturbed by later metamorphism			
267	1	1588.9		whole rock	conventional K-Ar	MBT-2B	"4.72E-04, 0.585E-04, 1.19E-04*"	1.36	49.9	99			initial age disturbed by later metamorphism			
268	1	2045.78		whole rock	conventional K-Ar	MBT-4	"4.72E-04, 0.585E-04, 1.19E-04*"	2.21	121	98			initial age disturbed by later metamorphism	POTASSIUM VALUE IS AVERAGE OF REPLICATE DETERMINATIONS.		
269	1	1559.16		whole rock	conventional K-Ar	MBT-16A	"4.72E-04, 0.585E-04, 1.19E-04*"	1.5	53.5	98			initial age disturbed by later metamorphism			
270	1	1677.28		whole rock	conventional K-Ar	MBT-21	"4.72E-04, 0.585E-04, 1.19E-04*"	1.23	49	99			initial age disturbed by later metamorphism			
271	1	1365.39		whole rock	conventional K-Ar	MBT-55	"4.72E-04, 0.585E-04, 1.19E-04*"	1.31	38.5	90			initial age disturbed by later metamorphism			
272	1	1337.03		whole rock	conventional K-Ar	MBT-25	"4.72E-04, 0.585E-04, 1.19E-04*"	1.56	44.5	95			initial age disturbed by later metamorphism			
273	1	1609.05		whole rock	conventional K-Ar	MBT-26	"4.72E-04, 0.585E-04, 1.19E-04*"	1.19	44.5	97			initial age disturbed by later metamorphism			
274	1	769.73		whole rock	conventional K-Ar	MBT-3	"4.72E-04, 0.585E-04, 1.19E-04*"	1.23	17	96			age of intrusion			
274	2	769.73	32	whole rock	40Ar-40K isochron	MBT-3	"4.72E-04, 0.585E-04, 1.19E-04*"	1.23	17		20		age of intrusion			
275	1	748.83		whole rock	conventional K-Ar	MBT-5	"4.72E-04, 0.585E-04, 1.19E-04*"	1.13	15.1	95			age of intrusion			
275	2	748.83	32	whole rock	40Ar-40K isochron	MBT-5	"4.72E-04, 0.585E-04, 1.19E-04*"	1.13	15.1		20		age of intrusion			
276	1	745.99		whole rock	conventional K-Ar	MBT-22	"4.72E-04, 0.585E-04, 1.19E-04*"	1.03	13.7	90			age of intrusion			
276	2	745.99	32	whole rock	40Ar-40K isochron	MBT-22	"4.72E-04, 0.585E-04, 1.19E-04*"	1.03	13.7		20		age of intrusion			
277	1	744.76		whole rock	conventional K-Ar	MBT-23	"4.72E-04, 0.585E-04, 1.19E-04*"	1.13	15	92			age of intrusion			
277	2	744.76	32	whole rock	40Ar-40K isochron	MBT-23	"4.72E-04, 0.585E-04, 1.19E-04*"	1.13	15		20		age of intrusion			
278	1	740.51		whole rock	conventional K-Ar	MBT-24	"4.72E-04, 0.585E-04, 1.19E-04*"	1.1	14.5	93			age of intrusion			
278	2	740.51	32	whole rock	40Ar-40K isochron	MBT-24	"4.72E-04, 0.585E-04, 1.19E-04*"	1.1	14.5		20		age of intrusion			
279	1	749.03		whole rock	conventional K-Ar	MBT-51	"4.72E-04, 0.585E-04, 1.19E-04*"	0.98	13.1	91			age of intrusion			
279	2	749.03	32	whole rock	40Ar-40K isochron	MBT-51	"4.72E-04, 0.585E-04, 1.19E-04*"	0.98	13.1		20		age of intrusion			
280	1	730		whole rock		BT-2	no decay constants given					Baadsgaard and Mueller (1973)	age of intrusion	N0 ANALYTICAL DATA GIVEN		
285	1	1500		whole rock		BT-7	no decay constants given					Baadsgaard and Mueller (1973)	age of intrusion	NO ANALYTICAL DATA GIVEN		
286	1	74.37	1.8	biotite	conventional K-Ar	6	"4.72E-04, 0.584E-04, 1.19E-04*"	8.7	9.51	83			age of volcanism			
286	2	73.45	0.7	biotite	conventional K-Ar	6	"4.72E-04, 0.584E-04, 1.19E-04*"	8.7	9.39	94			age of volcanism			
302	1	2629.87	25	hornblende	conventional K-Ar	987N-0.7	"4.72E-04, 0.584E-04, 1.19E-04*"	0.62	53.08	98	26		minimum age of metamorphic crystallization			
303	1	2577.63	80	hornblende	conventional K-Ar	987N-2	"4.72E-04, 0.584E-04, 1.19E-04*"	0.523	43.11	99	26		minimum age of metamorphic crystallization			
304	1	2658.21	90	hornblende	conventional K-Ar	987N-10	"4.72E-04, 0.584E-04, 1.19E-04*"	0.519	45.35	99	26		minimum age of metamorphic crystallization			
305	1	2763.63	80	hornblende	conventional K-Ar	987N-20	"4.72E-04, 0.584E-04, 1.19E-04*"	0.638	60.1	99	26		minimum age of metamorphic crystallization			
306	1	1455.64	90	biotite	conventional K-Ar	987D	"4.72E-04, 0.584E-04, 1.19E-04*"	0.96	30.94	75	26		initial age disturbed by later metamorphism	(VERY LOW POTASSIUM VALUE FOR BIOTITE SAMPLE)		
307	1	1331.37	50	biotite	conventional K-Ar	987G	"4.72E-04, 0.584E-04, 1.19E-04*"	6.2	175.8	99	26		initial age disturbed by later metamorphism			
308	1	1353.31	50	biotite	conventional K-Ar	987I	"4.72E-04, 0.584E-04, 1.19E-04*"	7.65	222	88	26		initial age disturbed by later metamorphism			
309	1	783.05	50	whole rock	conventional K-Ar	987C	"4.72E-04, 0.584E-04, 1.19E-04*"	0.809	11.42	90	27		minimum age of intrusion	PLAGIOCLASE AND PYROXENE ARE 0.5 TO 1.0 MM LONG.		
310	1	403.1	6	plagioclase	conventional K-Ar	987A	"4.72E-04, 0.584E-04, 1.19E-04*"	1.209	7.862	88	27		age not evaluated			
311	1	592.12	8	plagioclase	conventional K-Ar	575A	"4.72E-04, 0.584E-04, 1.19E-04*"	1.331	13.43	96			age not evaluated			
312	1	2557.73	25	hornblende	conventional K-Ar	984D	"4.72E-04, 0.584E-04, 1.19E-04*"	1.711	139	99			age of metamorphic crystallization			
313	1	45.05	2.6	oligoclase	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04*"	0.92	0.6042	82			age of volcanism	MESH SIZE -50+100		
314	1	44.67	1	sanidine	conventional K-Ar	NOT GIVEN	"4.72E-04, 0.584E-04, 1.19E-04*"	10.705	6.97	54			age of volcanism	MESH SIZE -50+100		
315	1	180.45	5	biotite	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04*"	7.88	21.53	99		Reed and Lanphere (1972)	age of intrusion			
315	2	176.52	5	hornblende	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04*"	0.742	1.981	89		Reed and Lanphere (1972)	age of intrusion			
316	1	166.51	5	biotite	conventional K-Ar	2A	"4.72E-04, 0.585E-04, 1.19E-04*"	7.96	19.99	97		Reed and Lanphere (1972)	age of intrusion			
317	1	159.29	5	hornblende	conventional K-Ar	3	"4.72E-04, 0.585E-04, 1.19E-04*"	0.591	1.417	80		Reed and Lanphere (1972)	age of intrusion			
318	1	165.93	5	biotite	conventional K-Ar	4	"4.72E-04, 0.585E-04, 1.19E-04*"	8.86	22.17	94		Reed and Lanphere (1972)	age of intrusion			
319	1	172.87	5	hornblende	conventional K-Ar	5	"4.72E-04, 0.585E-04, 1.19E-04*"	0.226	0.5903	69		Reed and Lanphere (1972)	age of intrusion			
320	1	28.22	0.8	biotite	conventional K-Ar	6	"4.72E-04, 0.585E-04, 1.19E-04*"	8.16	3.341	86		Reed and Lanphere (1972)	age of intrusion			
320	2	25.96	0.8	hornblende	conventional K-Ar	6	"4.72E-04, 0.585E-04, 1.19E-04*"	0.398	0.1498	50		Reed and Lanphere (1972)	age of intrusion			
321	1	27.33	0.8	biotite	conventional K-Ar	7	"4.72E-04, 0.585E-04, 1.19E-04*"	8.08	3.203	77		Reed and Lanphere (1972)	age of intrusion			
322	1	35.59	1	biotite	conventional K-Ar	8	"4.72E-04, 0.585E-04, 1.19E-04*"	8.1	4.191	89		Reed and Lanphere (1972)	age of intrusion			
322	2	37.01	1.1	hornblende	conventional K-Ar	8	"4.72E-04, 0.585E-04, 1.19E-04*"	0.462	0.2487	48		Reed and Lanphere (1972)	age of intrusion			
323	1	183.33	5	hornblende	conventional K-Ar	9	"4.72E-04, 0.585E-04, 1.19E-04*"	0.224	0.6223	73		Reed and Lanphere (1972)	age of intrusion			
324	1	166.69	5	biotite	conventional K-Ar	10	"4.72E-04, 0.585E-04, 1.19E-04*"	9.18	23.08	93		Reed and Lanphere (1972)	age of intrusion			
325	1	161.39	5	biotite	conventional K-Ar	11	"4.72E-04, 0.585E-04, 1.19E-04*"	5.62	13.66	90		Reed and Lanphere (1972)	age of intrusion			
325	2	158.87	5	hornblende	conventional K-Ar	11	"4.72E-04, 0.585E-04, 1.19E-04*"	0.44	1.052	83		Reed and Lanphere (1972)	age of intrusion			
326	1	157.57	5	biotite	conventional K-Ar	12	"4.72E-04, 0.585E-04, 1.19E-04*"	7.8	18.49	94		Reed and Lanphere (1972)	age of intrusion			
327	1	156.04	5	biotite	conventional K-Ar	13	"4.72E-04, 0.585E-04, 1.19E-04*"	7.1	16.66	49		Reed and Lanphere (1972)	age of intrusion			
327	2	164.15	5	muscovite	conventional K-Ar	13	"4.72E-04, 0.585E-04, 1.19E-04*"	9.3	23.01	71		Reed and Lanphere (1972)	age of intrusion			
328	1	160	5	hornblende	conventional K-Ar	14	"4.72E-04, 0.585E-04, 1.19E-04*"	0.27	0.6491	79		Reed and Lanphere (1972)	initial age disturbed by later metamorphism	AGE EFFECTED BY EMPLACEMENT OF CRETACEOUS PLUTON		
329	1	162.97	5	biotite	conventional K-Ar	15	"4.72E-04, 0.585E-04, 1.19E-04*"	8.78	21.56	96		Reed and Lanphere (1972)	age of intrusion	ARGON VALUE IS MEAN VALUE OF 9 ANALYSES; RADIOGENIC ARGON RANGED FROM 82% TO 96%		
329	2	171.7	5	hornblende	conventional K-Ar	15	"4.72E-04, 0.585E-04, 1.19E-04*"	0.952	2.469	77		Reed and Lanphere (1972)	age of intrusion			
330	1	160.65	5	biotite	conventional K-Ar	16	"4.72E-04, 0.585E-04, 1.19E-04*"	8.09	19.57	97		Reed and Lanphere (1972)	age of intrusion			
330	2	160.14	5	hornblende	conventional K-Ar	16	"4.72E-04, 0.585E-04, 1.19E-04*"	0.293	0.7064	85		Reed and Lanphere (1972)	age of intrusion	POTASSIUM VALUE IS THE MEAN VALUE OF 11 POTASSIUM ANALYSES		
331	1	87.09	2.6	biotite	conventional K-Ar	17	"4.72E-04, 0.585E-04, 1.19E-04*"	7.8	10.02	91		Reed and Lanphere (1972)	initial age disturbed by later metamorphism	FIELD RELATIONS SUGGEST JURASSIC AGE		
331	2	92.29	2.7	hornblende	conventional K-Ar	17	"4.72E-04, 0.585E-04, 1.19E-04*"	0.856	1.167	85		Reed and Lanphere (1972)	initial age disturbed by later metamorphism	FIELD RELATIONS SUGGEST JURASSIC AGE		
332	1	79.83	2.3	biotite	conventional K-Ar	18	"4.72E-04, 0.585E-04, 1.19E-04*"	8.3	9.754	95		Reed and Lanphere (1972)	initial age disturbed by later metamorphism	FIELD RELATIONS SUGGEST JURASSIC AGE		
333	1	78.03	2.3	biotite	conventional K-Ar	19	"4.72E-04, 0.585E-04, 1.19E-04*"	7.6	8.725	93		Reed and Lanphere (1972)	initial age disturbed by later metamorphism	FIELD RELATIONS SUGGEST JURASSIC AGE		
333	2	90.08	2.6	hornblende	conventional K-Ar	19	"4.72E-04, 0.585E-04, 1.19E-04*"	0.855	1.137	81		Reed and Lanphere (1972)	initial age disturbed by later metamorphism	FIELD RELATIONS SUGGEST JURASSIC AGE		
334	1	148	4	muscovite	conventional K-Ar	20	"4.72E-04, 0.585E-04, 1.19E-04*"	9.84	21.85	85		Reed and Lanphere (1972)	initial age disturbed by later metamorphism	FIELD RELATIONS SUGGEST JURASSIC AGE		
335	1	173.96	5	biotite	conventional K-Ar	21	"4.72E-04, 0.585E-04, 1.19E-04*"	5.61	14.75	68		Reed and Lanphere (1972)	age of intrusion			
335	2	171.66	5	hornblende	conventional K-Ar	21	"4.72E-04, 0.585E-04, 1.19E-04*"	0.474	1.229	58		Reed and Lanphere (1972)	age of intrusion			
336	1	75.62	2.2	hornblende	conventional K-Ar	22	"4.72E-04, 0.585E-04, 1.19E-04*"	1.1	1.223	82		Reed and Lanphere (1972)	age of intrusion			
337	1	82.72	2.4	biotite	conventional K-Ar	23	"4.72E-04, 0.585E-04, 1.19E-04*"	6.76	8.238	94		Reed and Lanphere (1972)	age of intrusion			
337	2	85.47	2.5	hornblende	conventional K-Ar	23	"4.72E-04, 0.585E-04, 1.19E-04*"	0.965	1.216	81		Reed and Lanphere (1972)	age of intrusion			
338	1	44.61	1.3	biotite	conventional K-Ar	24	"4.72E-04, 0.585E-04, 1.19E-04*"	5.03	3.271	83		Reed and Lanphere (1972)	age of intrusion			
339	1	62.84	1.8	biotite	conventional K-Ar	25	"4.72E-04, 0.585E-04, 1.19E-04*"	8.1	7.457	80		Reed and Lanphere (1972)	age of intrusion			
339	2	61.01	1.8	hornblende	conventional K-Ar	25	"4.72E-04, 0.585E-04, 1.19E-04*"	0.472	0.4217	48		Reed and Lanphere (1972)	age of intrusion			
340	1	39.62	1.2	biotite	conventional K-Ar	26	"4.72E-04, 0.585E-04, 1.19E-04*"	8.22	4.741	84		Reed and Lanphere (1972)	age of intrusion			
341	1	169.7	5	hornblende	conventional K-Ar	26	"4.72E-04, 0.585E-04, 1.19E-04*"	0.262	0.6712	42		Reed and Lanphere (1972)	age of intrusion			
342	1	69.48	2	biotite	conventional K-Ar	27	"4.72E-04, 0.585E-04, 1.19E-04*"	8.48	8.648	87		Reed and Lanphere (1972)	age of intrusion			
343	1	50.45	1.5	biotite	conventional K-Ar	28	"4.72E-04, 0.585E-04, 1.19E-04*"	8.65	6.372	88		Reed and Lanphere (1972)	initial age disturbed by later metamorphism			FIELD RELATIONS SUGGEST JURASSIC AGE
343	2	51.07	1.5	biotite	conventional K-Ar	28	"4.72E-04, 0.585E-04, 1.19E-04*"	8.65	6.451	86		Reed and Lanphere (1972)	initial age disturbed by later metamorphism			FIELD RELATIONS SUGGEST JURASSIC AGE
343	3	63.01	1.8	hornblende	conventional K-Ar	28	"4.72E-04, 0.585E-04, 1.19E-04*"	0.978	0.9029	66		Reed and Lanphere (1972)	initial age disturbed by later metamorphism			
344	1	59.67	1.7	biotite	conventional K-Ar	29	"4.72E-04, 0.585E-04, 1.19E-04*"	8.04	7.022	91		Reed and Lanphere (1972)	age of intrusion			
345	1	72.61	2.1	biotite	conventional K-Ar	30	"4.72E-04, 0.585E-04, 1.19E-04*"	8.89	9.483	96		Reed and Lanphere (1972)	age of intrusion			
345	2	73.88	2.2	hornblende	conventional K-Ar	30	"4.72E-04, 0.585E-04, 1.19E-04*"	0.676	0.734	75		Reed and Lanphere (1972)	age of intrusion			
346	1	158.65	5	biotite	conventional K-Ar	31	"4.72E-04, 0.585E-04, 1.19E-04*"	7.82	18.67	88		Reed and Lanphere (1972)	age of intrusion			
347	1	166.94	5	biotite	conventional K-Ar	32	"4.72E-04, 0.585E-04, 1.19E-04*"	7.45	18.76	95		Reed and Lanphere (1972)	age of intrusion			
347	2	166.27	5	hornblende	conventional K-Ar	32	"4.72E-04, 0.585E-04, 1.19E-04*"	0.66	1.655	86		Reed and Lanphere (1972)	age of intrusion			
348	1	73.46	2.2	hornblende	conventional K-Ar	33	"4.72E-04, 0.585E-04, 1.19E-04*"	1.12	1.209	84		Reed and Lanphere (1972)	age of intrusion			
349	1	27.82	0.6	biotite	conventional K-Ar	34	"4.72E-04, 0.585E-04, 1.19E-04*"	8.7	3.512	81		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion	OTHER RADIOGENIC VALUE IS 65 %		
349	2	26.13	1	hornblende	conventional K-Ar	34	"4.72E-04, 0.585E-04, 1.19E-04*"	0.37	0.1402	36		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
350	1	26.65	0.9	hornblende	conventional K-Ar	35	"4.72E-04, 0.585E-04, 1.19E-04*"	0.358	0.1384	28		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
351	1	29.11	0.9	biotite	conventional K-Ar	36	"4.72E-04, 0.585E-04, 1.19E-04*"	8.2	3.465	81		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
352	1	26.83	0.8	biotite	conventional K-Ar	37	"4.72E-04, 0.585E-04, 1.19E-04*"	8.16	3.176	81		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
352	2	25.63	1	hornblende	conventional K-Ar	37	"4.72E-04, 0.585E-04, 1.19E-04*"	0.338	0.1256	27		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
353	1	174.22	8.6	hornblende	conventional K-Ar	38	"4.72E-04, 0.585E-04, 1.19E-04*"	0.162	0.4266	64		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
354	1	135.34	5	biotite	conventional K-Ar	39	"4.72E-04, 0.585E-04, 1.19E-04*"	6.4	12.95	94		Reed and Lanphere (1972); Reed and Lanphere (1969)	initial age disturbed by later metamorphism			EMPLACEMENT AGE THOUGHT TO BE BETWEEN 154 TO 176 M.Y. (MIDDLE TO EARLY JURASSIC)
354	2	150.85	4.5	hornblende	conventional K-Ar	39	"4.72E-04, 0.585E-04, 1.19E-04*"	0.992	2.247	84		Reed and Lanphere (1972); Reed and Lanphere (1969)	initial age disturbed by later metamorphism			EMPLACEMENT AGE THOUGHT TO BE BETWEEN 154 TO 176 M.Y. (MIDDLE TO EARLY JURASSIC)
355	1	155.98	4.6	biotite	conventional K-Ar	40	"4.72E-04, 0.585E-04, 1.19E-04*"	6.8	15.95	90		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
355	2	157.24	4.6	hornblende	conventional K-Ar	40	"4.72E-04, 0.585E-04, 1.19E-04*"	0.706	1.67	85		Reed and Lanphere (1972)	age of intrusion			
356	1	158.36	4.6	biotite	conventional K-Ar	41	"4.72E-04, 0.585E-04, 1.19E-04*"	6.45	15.37	91		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
356	2	160.33	4.7	muscovite	conventional K-Ar	41	"4.72E-04, 0.585E-04, 1.19E-04*"	9.3	22.45	93		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
357	1	97.75	2.8	biotite	conventional K-Ar	42	"4.72E-04, 0.585E-04, 1.19E-04*"	8.92	12.9	87		Reed and Lanphere (1972); Reed and Lanphere (1969)	initial age disturbed by later metamorphism			CHEMISTRY AND PETROLOGY SUGGEST JURASSIC AGE.
358	1	162.85	4.7	biotite	conventional K-Ar	43	"4.72E-04, 0.585E-04, 1.19E-04*"	8.84	21.69	92		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
358	2	161.33	4.7	hornblende	conventional K-Ar	43	"4.72E-04, 0.585E-04, 1.19E-04*"	0.938	2.279	83		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
359	1	164.55	4.8	biotite	conventional K-Ar	44	"4.72E-04, 0.585E-04, 1.19E-04*"	7.39	18.33	90		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
359	2	162.28	4.8	hornblende	conventional K-Ar	44	"4.72E-04, 0.585E-04, 1.19E-04*"	0.632	1.545	85		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
360	1	63.12	1.8	biotite	conventional K-Ar	45	"4.72E-04, 0.585E-04, 1.19E-04*"	8.44	7.805	89		Reed and Lanphere (1972); Reed and Lanphere (1969)				A VERY GRADUAL COOLING OF THE PLUTON MAY EXPLAIN THE DIFFERENCE BETWEEN THE BIOTITE AND HORNBLENDE AGES
360	2	69.04	2	hornblende	conventional K-Ar	45	"4.72E-04, 0.585E-04, 1.19E-04*"	0.984	0.997	73		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			A VERY GRADUAL COOLING OF THE PLUTON MAY EXPLAIN THE DIFFERENCE BETWEEN BIOTITE AND HORNBLENDE AGES.
361	1	65.59	1.8	biotite	conventional K-Ar	46	"4.72E-04, 0.585E-04, 1.19E-04*"	9.21	8.857	93		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
361	2	68.75	2	hornblende	conventional K-Ar	46	"4.72E-04, 0.585E-04, 1.19E-04*"	0.826	0.8333	84		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
362	1	39.37	1.1	biotite	conventional K-Ar	47	"4.72E-04, 0.585E-04, 1.19E-04*"	8.88	5.088	73		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
362	2	41.85	1.3	hornblende	conventional K-Ar	47	"4.72E-04, 0.585E-04, 1.19E-04*"	0.667	0.4066	52		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
363	1	34.79	1	biotite	conventional K-Ar	48	"4.72E-04, 0.585E-04, 1.19E-04*"	8.28	4.187	82		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
364	1	38.6	1.1	biotite	conventional K-Ar	49	"4.72E-04, 0.585E-04, 1.19E-04*"	8.82	4.954	88		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
364	2	39.31	1.9	hornblende	conventional K-Ar	49	"4.72E-04, 0.585E-04, 1.19E-04*"	0.295	0.1688	29		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
365	1	72.4	2	biotite	conventional K-Ar	50	"4.72E-04, 0.585E-04, 1.19E-04*"	8.7	9.253	89		Reed and Lanphere (1972); Reed and Lanphere (1969)	initial age disturbed by later metamorphism			CHEMICAL AND PETROLOGICAL RELATIONS SUGGEST JURASSIC AGE
365	2	95.81	2.8	hornblende	conventional K-Ar	50	"4.72E-04, 0.585E-04, 1.19E-04*"	0.852	1.207	84		Reed and Lanphere (1972); Reed and Lanphere (1969)	initial age disturbed by later metamorphism	HORNBLENDE AGE DISCORDANT WITH BIOTITE AGE.  CHEMISTRY AND PETROLOGY SIMILAR TO JURASSIC ROCKS IN AREA.		CHEMICAL AND PETROLOGICAL RELATIONS SUGGEST JURASSIC AGE
366	1	68.16	1.9	biotite	conventional K-Ar	51	"4.72E-04, 0.585E-04, 1.19E-04*"	8.94	8.94	90		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
367	1	67.21	1.9	biotite	conventional K-Ar	52	"4.72E-04, 0.585E-04, 1.19E-04*"	8.74	8.616	89		Reed and Lanphere (1972); Reed and Lanphere (1969)				A VERY GRADUAL COOLING OF THE PLUTON MAY EXPLAIN THE DIFFERENCE BETWEEN THE BIOTITE AND HORNBLENDE AGES.
367	2	71.48	2.1	hornblende	conventional K-Ar	52	"4.72E-04, 0.585E-04, 1.19E-04*"	0.732	0.7684	72		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			A VERY GRADUAL COOLING OF THE PLUTON MAY EXPLAIN THE DIFFERENCE BETWEEN BIOTITE AND HORNBLENDE AGES.
368	1	70.03	2	biotite	conventional K-Ar	53	"4.72E-04, 0.585E-04, 1.19E-04*"	9.42	9.684	87		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
368	2	74.36	2.2	hornblende	conventional K-Ar	53	"4.72E-04, 0.585E-04, 1.19E-04*"	1.033	1.129	78		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
369	1	145.68	4.3	hornblende	conventional K-Ar	54	"4.72E-04, 0.585E-04, 1.19E-04*"	0.537	1.173	85		Reed and Lanphere (1972); Reed and Lanphere (1969)	initial age disturbed by later metamorphism			CHEMICAL AND PETROLOGICAL RELATIONS SUGGEST JURASSIC AGE.
370	1	65.35	1.8	biotite	conventional K-Ar	55	"4.72E-04, 0.585E-04, 1.19E-04*"	8.88	8.508	88		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
370	2	67.58	2	hornblende	conventional K-Ar	55	"4.72E-04, 0.585E-04, 1.19E-04*"	0.838	0.8308	65		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
371	1	65.12	1.9	biotite	conventional K-Ar	56	"4.72E-04, 0.585E-04, 1.19E-04*"	9.14	8.726	96		Reed and Lanphere (1972); Reed and Lanphere (1969)				A VERY GRADUAL COOLING OF THE PLUTON MAY EXPLAIN THE DIFFERENCE BETWEEN THE BIOTITE AND HORNBLENDE AGES.
371	2	70.52	2	hornblende	conventional K-Ar	56	"4.72E-04, 0.585E-04, 1.19E-04*"	0.784	0.8117	80		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			A VERY GRADUAL COOLING OF THE PLUTON MAY EXPLAIN THE DIFFERENCE BETWEEN BIOTITE AND HORNBLENDE AGES.
372	1	58.79	1.7	biotite	conventional K-Ar	57	"4.72E-04, 0.585E-04, 1.19E-04*"	9.18	7.898	83		Reed and Lanphere (1972); Reed and Lanphere (1969)	initial age disturbed by later metamorphism			CHEMICAL AND PETROLOGICAL RELATIONS SUGGEST JURASSIC AGE.
372	2	97.47	3.8	hornblende	conventional K-Ar	57	"4.72E-04, 0.585E-04, 1.19E-04*"	0.731	1.054	67		Reed and Lanphere (1972); Reed and Lanphere (1969)	initial age disturbed by later metamorphism			CHEMICAL AND PETROLOGICAL RELATIONS SUGGEST JURASSIC AGE.
373	1	37.48	1	biotite	conventional K-Ar	58	"4.72E-04, 0.585E-04, 1.19E-04*"	8.72	4.754	85		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
374	1	38.58	1.1	biotite	conventional K-Ar	59	"4.72E-04, 0.585E-04, 1.19E-04*"	8.8	4.941	63		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
375	1	31.89	0.9	biotite	conventional K-Ar	60	"4.72E-04, 0.585E-04, 1.19E-04*"	9.02	4.178	80		Reed and Lanphere (1972); Reed and Lanphere (1969)				A VERY GRADUAL COOLING OF THE PLUTON MAY EXPLAIN THE DIFFERENCE BETWEEN BIOTITE AND HORNBLENDE AGES
375	2	36.31	1.8	hornblende	conventional K-Ar	60	"4.72E-04, 0.585E-04, 1.19E-04*"	0.475	0.2508	35		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			A VERY GRADUAL COOLING OF THE PLUTON MAY EXPLAIN THE DIFFERENCE BETWEEN BIOTITE AND HORNBLENDE AGES.
376	1	34.55	1.3	biotite	conventional K-Ar	61	"4.72E-04, 0.585E-04, 1.19E-04*"	8.58	4.309	37		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
377	1	36.97	1	biotite	conventional K-Ar	62	"4.72E-04, 0.585E-04, 1.19E-04*"	8.75	4.705	81		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
378	1	60.04	1.7	biotite	conventional K-Ar	63	"4.72E-04, 0.585E-04, 1.19E-04*"	9.23	8.113	74		Reed and Lanphere (1972); Reed and Lanphere (1969)	initial age disturbed by later metamorphism			CHEMICAL AND PETROLOGICAL RELATIONS SUGGEST JURASSIC AGE
378	2	80.74	2.3	hornblende	conventional K-Ar	63	"4.72E-04, 0.585E-04, 1.19E-04*"	0.895	1.064	76		Reed and Lanphere (1972); Reed and Lanphere (1969)	initial age disturbed by later metamorphism			CHEMICAL AND PETROLOGICAL RELATIONS SUGGEST JURASSIC AGE
379	1	64.23	1.8	biotite	conventional K-Ar	64	"4.72E-04, 0.585E-04, 1.19E-04*"	6.88	6.477	83		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
379	2	66.45	1.9	hornblende	conventional K-Ar	64	"4.72E-04, 0.585E-04, 1.19E-04*"	0.874	0.8517	75		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
380	1	71.31	2	biotite	conventional K-Ar	65	"4.72E-04, 0.585E-04, 1.19E-04*"	9.18	9.613	86		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion	SUMMIT LAKE ROCKS		
380	2	70.62	2.1	hornblende	conventional K-Ar	65	"4.72E-04, 0.585E-04, 1.19E-04*"	0.926	0.9602	76		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
381	1	62.34	1.8	biotite	conventional K-Ar	66	"4.72E-04, 0.585E-04, 1.19E-04*"	9.54	8.712	79		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
381	2	63.47	1.9	hornblende	conventional K-Ar	66	"4.72E-04, 0.585E-04, 1.19E-04*"	0.694	0.6454	68		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
382	1	64.43	1.8	biotite	conventional K-Ar	67	"4.72E-04, 0.585E-04, 1.19E-04*"	8.64	8.159	86		Reed and Lanphere (1972); Reed and Lanphere (1969)				A VERY GRADUAL COOLING OF THE PLUTON MAY EXPLAIN THE DIFFERENCE BETWEEN BIOTITE AND HORNBLENDE AGES
382	2	70.37	2.1	hornblende	conventional K-Ar	67	"4.72E-04, 0.585E-04, 1.19E-04*"	0.688	0.7108	64		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			A VERY GRADUAL COOLING OF THE PLUTON MAY EXPLAIN THE DIFFERENCE BETWEEN BIOTITE AND HORNBLENDE AGES.
383	1	58.39	1.7	biotite	conventional K-Ar	68	"4.72E-04, 0.585E-04, 1.19E-04*"	5.42	4.631	91		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
384	1	54.44	1.6	biotite	conventional K-Ar	69	"4.72E-04, 0.585E-04, 1.19E-04*"	9.01	7.169	78		Reed and Lanphere (1972); Reed and Lanphere (1969)	minimum age of intrusion			
384	2	65.19	1.9	hornblende	conventional K-Ar	69	"4.72E-04, 0.585E-04, 1.19E-04*"	0.569	0.5438	73		Reed and Lanphere (1972); Reed and Lanphere (1969)	maximum age of intrusion			
385	1	57.03	1.6	biotite	conventional K-Ar	70	"4.72E-04, 0.585E-04, 1.19E-04*"	8.68	7.241	95		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
386	1	97.88	3.7	hornblende	conventional K-Ar	71	"4.72E-04, 0.585E-04, 1.19E-04*"	0.799	1.157	81		Reed and Lanphere (1972); Reed and Lanphere (1969)	initial age disturbed by later metamorphism			CHEMICAL AND PETROLOGICAL RELATIONS SUGGEST A JURASSIC AGE
387	1	59.58	1.7	biotite	conventional K-Ar	72	"4.72E-04, 0.585E-04, 1.19E-04*"	8.9	7.761	91		Reed and Lanphere (1972); Reed and Lanphere (1969)	initial age disturbed by later metamorphism			CHEMICAL AND PETROLOGICAL RELATIONS SUGGEST A JURASSIC AGE
387	2	59.08	1.7	hornblende	conventional K-Ar	72	"4.72E-04, 0.585E-04, 1.19E-04*"	0.946	0.8179	72		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			CHEMICAL AND PETROLOGICAL RELATIONS SUGGEST A JURASSIC AGE
388	1	54.7	2.1	biotite	conventional K-Ar	73	"4.72E-04, 0.585E-04, 1.19E-04*"	8.94	7.148	36		Reed and Lanphere (1972); Reed and Lanphere (1969)	initial age disturbed by later metamorphism			CHEMICAL AND PETROLOGICAL RELATIONS SUGGEST A JURASSIC AGE
388	2	60.68	2.3	hornblende	conventional K-Ar	73	"4.72E-04, 0.585E-04, 1.19E-04*"	0.854	0.7588	71		Reed and Lanphere (1972); Reed and Lanphere (1969)	initial age disturbed by later metamorphism			CHEMICAL AND PETROLOGICAL RELATIONS SUGGEST A JURASSIC AGE
389	1	53.88	1.5	biotite	conventional K-Ar	74	"4.72E-04, 0.585E-04, 1.19E-04*"	8.77	6.905	88		Reed and Lanphere (1972); Reed and Lanphere (1969)	initial age disturbed by later metamorphism			
390	1	35.56	1.1	biotite	conventional K-Ar	75	"4.72E-04, 0.585E-04, 1.19E-04*"	8.5	4.395	57		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
391	1	36.52	1	biotite	conventional K-Ar	76	"4.72E-04, 0.585E-04, 1.19E-04*"	8.6	4.568	73		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
392	1	64	1.8	biotite	conventional K-Ar	77	"4.72E-04, 0.585E-04, 1.19E-04*"	8.88	8.329	85		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
393	1	58.51	1.6	biotite	conventional K-Ar	78	"4.72E-04, 0.585E-04, 1.19E-04*"	8.75	7.491	78		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
394	1	57.07	1.1	biotite	conventional K-Ar	79	"4.72E-04, 0.585E-04, 1.19E-04*"	8.44	7.046	85		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
395	1	40.89	1.1	biotite	conventional K-Ar	80	"4.72E-04, 0.585E-04, 1.19E-04*"	9.3	5.537	74		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
396	1	34.88	1	biotite	conventional K-Ar	81	"4.72E-04, 0.585E-04, 1.19E-04*"	8.42	4.269	52		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
397	1	41.44	1.1	biotite	conventional K-Ar	82	"4.72E-04, 0.585E-04, 1.19E-04*"	8.98	5.42	80		Reed and Lanphere (1972); Reed and Lanphere (1969)	initial age disturbed by later metamorphism			
398	1	36.93	1	biotite	conventional K-Ar	83	"4.72E-04, 0.585E-04, 1.19E-04*"	8.3	4.458	75		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
399	1	37.66	1.1	biotite	conventional K-Ar	84	"4.72E-04, 0.585E-04, 1.19E-04*"	7.98	4.372	70		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
400	1	60.62	1.8	biotite	conventional K-Ar	85	"4.72E-04, 0.585E-04, 1.19E-04*"	7.36	6.533	59		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
400	2	61.34	1.9	hornblende	conventional K-Ar	85	"4.72E-04, 0.585E-04, 1.19E-04*"	0.639	0.574	60		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
401	1	61.98	1.6	biotite	conventional K-Ar	86	"4.72E-04, 0.585E-04, 1.19E-04*"	7.99	7.253	88		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
402	1	61.72	1.8	biotite	conventional K-Ar	87	"4.72E-04, 0.585E-04, 1.19E-04*"	7.16	6.472	73		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
402	2	56.92	1.7	hornblende	conventional K-Ar	87	"4.72E-04, 0.585E-04, 1.19E-04*"	0.943	0.7851	81		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
403	1	57.43	1.6	biotite	conventional K-Ar	88	"4.72E-04, 0.585E-04, 1.19E-04*"	8.25	6.931	93		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
404	1	109.43	3.2	hornblende	conventional K-Ar	89	"4.72E-04, 0.585E-04, 1.19E-04*"	0.7	1.137	74		Reed and Lanphere (1972); Reed and Lanphere (1969)	initial age disturbed by later metamorphism			CHEMICAL AND PETROLOGICAL RELATIONS SUGGEST A JURASSIC AGE
405	1	57.96	1.6	biotite	conventional K-Ar	90	"4.72E-04, 0.585E-04, 1.19E-04*"	6.06	5.139	86		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
405	2	60.16	1.8	hornblende	conventional K-Ar	90	"4.72E-04, 0.585E-04, 1.19E-04*"	0.807	0.7107	63		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
406	1	59.75	1.7	biotite	conventional K-Ar	91	"4.72E-04, 0.585E-04, 1.19E-04*"	6.51	5.694	89		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
407	1	60.47	2.4	biotite	conventional K-Ar	92	"4.72E-04, 0.585E-04, 1.19E-04*"	3.54	3.134	81		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
408	1	62.14	1.8	biotite	conventional K-Ar	93	"4.72E-04, 0.585E-04, 1.19E-04*"	6.8	6.189	81		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
408	2	64.2	2.5	hornblende	conventional K-Ar	93	"4.72E-04, 0.585E-04, 1.19E-04*"	0.344	0.3237	43		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
409	1	64.13	1.8	biotite	conventional K-Ar	94	"4.72E-04, 0.585E-04, 1.19E-04*"	8.01	7.528	86		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
409	2	62.12	1.9	hornblende	conventional K-Ar	94	"4.72E-04, 0.585E-04, 1.19E-04*"	0.402	0.3658	65		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
410	1	59.96	1.7	biotite	conventional K-Ar	95	"4.72E-04, 0.585E-04, 1.19E-04*"	7.67	6.732	89		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
410	2	60.01	2.9	hornblende	conventional K-Ar	95	"4.72E-04, 0.585E-04, 1.19E-04*"	1.1	0.9664	79		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
411	1	71.44	2	biotite	conventional K-Ar	96	"4.72E-04, 0.585E-04, 1.19E-04*"	9.03	9.474	93		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
412	1	75.96	2.2	hornblende	conventional K-Ar	97	"4.72E-04, 0.585E-04, 1.19E-04*"	1.061	1.185	77		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
413	1	59.14	1.6	biotite	conventional K-Ar	98	"4.72E-04, 0.585E-04, 1.19E-04*"	8.52	7.374	76		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
414	1	40.08	1.1	biotite	conventional K-Ar	99	"4.72E-04, 0.585E-04, 1.19E-04*"	8.8	5.135	79		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
415	1	56.69	1.6	biotite	conventional K-Ar	100	"4.72E-04, 0.585E-04, 1.19E-04*"	8.44	6.998	74		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
416	1	26.5	0.8	biotite	conventional K-Ar	101	"4.72E-04, 0.585E-04, 1.19E-04*"	8.88	3.413	77		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
416	2	26.63	0.9	hornblende	conventional K-Ar	101	"4.72E-04, 0.585E-04, 1.19E-04*"	0.906	0.3499	59		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
417	1	25.77	0.8	biotite	conventional K-Ar	102	"4.72E-04, 0.585E-04, 1.19E-04*"	8.69	3.247	83		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
418	1	25.46	0.7	biotite	conventional K-Ar	103	"4.72E-04, 0.585E-04, 1.19E-04*"	8.24	3.042	63		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
419	1	63.57	1.9	biotite	conventional K-Ar	104	"4.72E-04, 0.585E-04, 1.19E-04*"	8.71	8.114	78		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
420	1	36.78	0.7	biotite	conventional K-Ar	105	"4.72E-04, 0.585E-04, 1.19E-04*"	9.2	4.922	80		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion	OTHER RADIOGENIC ARGON VALUE IS 77%		
421	1	66.78	1.9	biotite	conventional K-Ar	106	"4.72E-04, 0.585E-04, 1.19E-04*"	8.72	8.541	89		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
422	1	69.16	2	biotite	conventional K-Ar	107	"4.72E-04, 0.585E-04, 1.19E-04*"	8.94	9.074	60		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
423	1	67.49	1.9	biotite	conventional K-Ar	108	"4.72E-04, 0.585E-04, 1.19E-04*"	8.7	8.613	66		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
424	1	29.35	0.8	biotite	conventional K-Ar	109	"4.72E-04, 0.585E-04, 1.19E-04*"	8.62	3.672	78		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
425	1	30.87	0.9	biotite	conventional K-Ar	110	"4.72E-04, 0.585E-04, 1.19E-04*"	8.26	3.703	79		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
426	1	29.71	0.9	hornblende	conventional K-Ar	111	"4.72E-04, 0.585E-04, 1.19E-04*"	0.972	0.4192	57		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
427	1	57.42	1.6	biotite	conventional K-Ar	112	"4.72E-04, 0.585E-04, 1.19E-04*"	8.25	6.93	84		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
428	1	59.75	1.6	biotite	conventional K-Ar	113	"4.72E-04, 0.585E-04, 1.19E-04*"	8.51	7.443	89		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
429	1	39.31	1.9	hornblende	conventional K-Ar	114	"4.72E-04, 0.585E-04, 1.19E-04*"	0.428	0.2449	33		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
430	1	66.2	1.9	biotite	conventional K-Ar	115	"4.72E-04, 0.585E-04, 1.19E-04*"	8.54	8.29	91		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
431	1	57.61	1.6	biotite	conventional K-Ar	116	"4.72E-04, 0.585E-04, 1.19E-04*"	8.91	7.509	84		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
432	1	66.22	1.8	biotite	conventional K-Ar	117	"4.72E-04, 0.585E-04, 1.19E-04*"	8.8	8.545	92		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
433	1	56.57	1.6	biotite	conventional K-Ar	118	"4.72E-04, 0.585E-04, 1.19E-04*"	8.91	7.371	89		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
434	1	57.14	1.6	biotite	conventional K-Ar	119	"4.72E-04, 0.585E-04, 1.19E-04*"	8.68	7.255	84		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
434	2	53.57	1.6	muscovite	conventional K-Ar	119	"4.72E-04, 0.585E-04, 1.19E-04*"	10.51	8.228	77		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
435	1	57.86	1.6	biotite	conventional K-Ar	120	"4.72E-04, 0.585E-04, 1.19E-04*"	8.28	7.009	88		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
436	1	57.56	1.5	biotite	conventional K-Ar	121	"4.72E-04, 0.585E-04, 1.19E-04*"	8.37	7.048	94		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
437	1	57.06	1.5	biotite	conventional K-Ar	122	"4.72E-04, 0.585E-04, 1.19E-04*"	8.27	6.902	88		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
438	1	56.65	1.6	biotite	conventional K-Ar	123	"4.72E-04, 0.585E-04, 1.19E-04*"	9.34	7.739	89		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
439	1	33.61	1	biotite	conventional K-Ar	124	"4.72E-04, 0.585E-04, 1.19E-04*"	9.14	4.464	87		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
439	2	36.14	1.4	hornblende	conventional K-Ar	124	"4.72E-04, 0.585E-04, 1.19E-04*"	0.626	0.329	55		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
440	1	33.25	0.9	biotite	conventional K-Ar	125	"4.72E-04, 0.585E-04, 1.19E-04*"	9.23	4.459	88		Reed and Lanphere (1972); Reed and Lanphere (1969)				A VERY GRADUAL COOLING OF THE PLUTON MAY EXPLAIN THE DIFFERENCE BETWEEN BIOTITE AND HORNBLENDE AGES
440	2	36.27	1.6	hornblende	conventional K-Ar	125	"4.72E-04, 0.585E-04, 1.19E-04*"	0.401	0.2115	55		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			A VERY GRADUAL COOLING OF THE PLUTON MAY EXPLAIN THE DIFFERENCE BETWEEN BIOTITE AND HORNBLENDE AGES.
441	1	35.22	0.9	biotite	conventional K-Ar	126	"4.72E-04, 0.585E-04, 1.19E-04*"	8.64	4.424	81		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
441	2	36.6	1.4	hornblende	conventional K-Ar	126	"4.72E-04, 0.585E-04, 1.19E-04*"	0.312	0.1661	34		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
442	1	35.35	1	biotite	conventional K-Ar	127	"4.72E-04, 0.585E-04, 1.19E-04*"	8.99	4.62	88		Reed and Lanphere (1972); Reed and Lanphere (1969)				A VERY GRADUAL COOLING OF THE PLUTON MAY EXPLAIN THE DIFFERENCES BETWEEN BIOTITE AND HORNBLENDE AGES
442	2	40.1	1.4	hornblende	conventional K-Ar	127	"4.72E-04, 0.585E-04, 1.19E-04*"	0.308	0.18	46		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			A VERY GRADUAL COOLING OF THE PLUTON MAY EXPLAIN THE DIFFERENCE BETWEEN BIOTITE AND HORNBLENDE AGES.
443	1	37.08	1.1	biotite	conventional K-Ar	128	"4.72E-04, 0.585E-04, 1.19E-04*"	6.36	3.43	84		Reed and Lanphere (1972); Reed and Lanphere (1969)				A VERY GRADUAL COOLING OF THE PLUTON MAY EXPLAIN THE DIFFERENCES BETWEEN THE BIOTITE AND HORNBLENDE AGES
443	2	39.82	1.6	hornblende	conventional K-Ar	128	"4.72E-04, 0.585E-04, 1.19E-04*"	0.365	0.2116	44		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			A VERY GRADUAL COOLING OF THE PLUTON MAY EXPLAIN THE DIFFERENCE BETWEEN BIOTITE AND HORNBLENDE AGES.
444	1	57.39	1.6	biotite	conventional K-Ar	129	"4.72E-04, 0.585E-04, 1.19E-04*"	8.87	7.446	89		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
445	1	57.52	1.6	biotite	conventional K-Ar	130	"4.72E-04, 0.585E-04, 1.19E-04*"	8.19	6.892	92		Reed and Lanphere (1972); Reed and Lanphere (1969)	age of intrusion			
446	1	27.82	0.6	biotite	conventional K-Ar	34	"4.72E-04, 0.585E-04, 1.19E-04*"	8.7	3.512	81		Reed and Lanphere (1969)	age of intrusion		OTHER RADIOGENIC VALUE IS 65%	
446	2	26.13	1	hornblende	conventional K-Ar	34	"4.72E-04, 0.585E-04, 1.19E-04*"	0.37	0.1402	36		Reed and Lanphere (1969)	age of intrusion			
447	1	26.65	0.9	hornblende	conventional K-Ar	35	"4.72E-04, 0.585E-04, 1.19E-04*"	0.358	0.1384	28		Reed and Lanphere (1969)	age of intrusion			
448	1	29.11	0.9	biotite	conventional K-Ar	36	"4.72E-04, 0.585E-04, 1.19E-04*"	8.2	3.465	81		Reed and Lanphere (1969)	age of intrusion			
449	1	26.83	0.8	biotite	conventional K-Ar	37	"4.72E-04, 0.585E-04, 1.19E-04*"	8.16	3.176	81		Reed and Lanphere (1969)	age of intrusion			
449	2	25.63	1	hornblende	conventional K-Ar	37	"4.72E-04, 0.585E-04, 1.19E-04*"	0.338	0.1256	27		Reed and Lanphere (1969)	age of intrusion			
450	1	174.22	8.6	hornblende	conventional K-Ar	38	"4.72E-04, 0.585E-04, 1.19E-04*"	0.162	0.4266	64		Reed and Lanphere (1969)	age of intrusion			
451	1	135.34	5	biotite	conventional K-Ar	39	"4.72E-04, 0.585E-04, 1.19E-04*"	6.4	12.95	94		Reed and Lanphere (1969)	initial age disturbed by later metamorphism			
451	2	150.85	4.5	hornblende	conventional K-Ar	39	"4.72E-04, 0.585E-04, 1.19E-04*"	0.992	2.247	84		Reed and Lanphere (1969)	age of intrusion			
452	1	155.98	4.6	biotite	conventional K-Ar	40	"4.72E-04, 0.585E-04, 1.19E-04*"	6.8	15.95	90		Reed and Lanphere (1969)	age of intrusion			
452	2	157.24	4.6	hornblende	conventional K-Ar	40	"4.72E-04, 0.585E-04, 1.19E-04*"	0.706	1.67	85		Reed and Lanphere (1969)	age of intrusion			
453	1	158.36	4.6	biotite	conventional K-Ar	41	"4.72E-04, 0.585E-04, 1.19E-04*"	6.45	15.37	91		Reed and Lanphere (1969)	age of intrusion			
453	2	160.33	4.7	muscovite	conventional K-Ar	41	"4.72E-04, 0.585E-04, 1.19E-04*"	9.3	22.45	93		Reed and Lanphere (1969)	age of intrusion			
454	1	97.75	2.8	biotite	conventional K-Ar	42	"4.72E-04, 0.585E-04, 1.19E-04*"	8.92	12.9	87		Reed and Lanphere (1969)	initial age disturbed by later metamorphism			CHEMISTRY AND PETROLOGY SUGGEST SIMILARITY TO JURASSIC ROCKS IN THE AREA
455	1	162.85	4.7	biotite	conventional K-Ar	43	"4.72E-04, 0.585E-04, 1.19E-04*"	8.84	21.69	92		Reed and Lanphere (1969)	age of intrusion			
455	2	161.33	4.7	hornblende	conventional K-Ar	43	"4.72E-04, 0.585E-04, 1.19E-04*"	0.938	2.279	83		Reed and Lanphere (1969)	age of intrusion			
456	1	0.29	0.03	glass	conventional K-Ar	S17	"4.72E-04, 0.585E-04, 1.19E-04*"	4.85	0.0201	14			age of volcanism	OBSIDIAN	REPLICATE K ANALYSES	
457	1	1.68	0.05	whole rock	conventional K-Ar	S19	"4.72E-04, 0.585E-04, 1.19E-04*"	2.296	0.0555	40			age of volcanism		REPLICATE K ANALYSES	
458	1	2.52	0.07	whole rock	conventional K-Ar	S20	"4.72E-04, 0.585E-04, 1.19E-04*"	2.811	0.102	67			age of volcanism		REPLICATE K ANALYSES	
459	1	24.61		biotite	37Ar-41Ar total fusion	158	"4.72E-04, 0.585E-04, 1.19E-04*"	6.56	2.34	77			minimum age of volcanism	MIXTURE OF BIOTITE-HORNBLENDE (NO CHLORITE).	ANALYTICAL ERROR IS +4 AND -2 M.Y.	
460	1	3.11	0.09	whole rock	conventional K-Ar	S21	"4.72E-04, 0.585E-04, 1.19E-04*"	2.496	0.1119	60			age of volcanism		REPLICATE K ANALYSES	
461	1	2.82	0.07	whole rock	conventional K-Ar	S22	"4.72E-04, 0.585E-04, 1.19E-04*"	3	0.1219				age of volcanism		POTASSIUM AND ARGON VALUES ARE AVERAGES OF 14 AND 7 ANALYSES RESPECTIVELY	
462	1	3.54	0.1	whole rock	conventional K-Ar	S28	"4.72E-04, 0.585E-04, 1.19E-04*"	2.161	0.1103	65			age of volcanism		REPLICATE K ANALYSES	
462	2	3.6	0.11	whole rock	conventional K-Ar	S28	"4.72E-04, 0.585E-04, 1.19E-04*"	2.175	0.1129	67			age of volcanism		REPLICATE K ANALYSES	
463	1	126.28	4	muscovite	conventional K-Ar	1(S-EPR4088B/C27)	"4.72E-04, 0.584E-04, 1.19E-04*"	6.42	12.09	42			age of metamorphic crystallization	CHROMIAN MUSCOVITE (FUCHSITE)		
464	1	13.34	5	orthoclase	conventional K-Ar	23(S-EPR5011A)	"4.72E-04, 0.584E-04, 1.19E-04*"	15.1	2.91	18			minimum age of volcanism			
465	1	104.78		biotite	37Ar-41Ar total fusion	53	"4.72E-04, 0.585E-04, 1.19E-04*"	3.85	5.98	41			minimum age of intrusion	"BIOTITE PLUS 30% CHLORITE AND 10% QUARTZ, FELDSPAR, AND HORNBLENDE."	ANALYTICAL ERROR IS +17 AND -2 M.Y.	
466	1	18.14	1	orthoclase	conventional K-Ar	24(S-EPR5011B)	"4.72E-04, 0.584E-04, 1.19E-04*"	14.1	3.7	27			minimum age of volcanism			
467	1	22.58	1	orthoclase	conventional K-Ar	25(S-EPR5011C)	"4.72E-04, 0.584E-04, 1.19E-04*"	9.78	3.2	34			minimum age of intrusion			
468	1	66.67	2	biotite	conventional K-Ar	26(S-EPR5011D)	"4.72E-04, 0.584E-04, 1.19E-04*"	6.75	6.6	45			age of intrusion			
469	1	92.31	1.8	biotite	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04*"	8.28	11.29	88			age of intrusion			
470	1	13.6	0.4	hornblende	conventional K-Ar	5	"4.72E-04, 0.585E-04, 1.19E-04*"	0.643	0.1264	38			age of volcanism			
471	1	22.73		biotite	37Ar-41Ar total fusion	94	"4.72E-04, 0.585E-04, 1.19E-04*"	8.2	2.7	63			initial age disturbed by later metamorphism	BIOTITE PLUS 2% CHLORITE.	ANALYTICAL ERROR IS +3 AND -2 M.Y.	
472	1	11.6	0.9	whole rock	conventional K-Ar	6	"4.72E-04, 0.585E-04, 1.19E-04*"	1.58	0.2655	11			age of volcanism			
473	1	64.91		biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.583E-04*"	8.16	7.764							AGE OF MINERALIZATION
474	1	9.43	0.28	biotite	conventional K-Ar	W24	"4.72E-04, 0.585E-04, 1.19E-04*"	8	1.089	70			age of volcanism		"7.98%, 8.02% K2O"	
475	1	9.59	0.37	biotite	conventional K-Ar	W25-NO.1	"4.72E-04, 0.585E-04, 1.19E-04*"	7.915	1.096	64			age of volcanism		"7.91%, 7.92% K2O"	
475	2	9.25	0.27	biotite	conventional K-Ar	W25-NO.2	"4.72E-04, 0.585E-04, 1.19E-04*"	7.835	1.046	73			age of volcanism		"7.81%, 7.86% K2O"	
476	1	13.6	0.33	plagioclase	conventional K-Ar	W26	"4.72E-04, 0.585E-04, 1.19E-04*"	0.4985	0.098	2939			age of volcanism		"0.496%, 0.501% K2O; 0.0983 X E-10, O.0977 X E-10 MOL/GM AR-40"	
477	1	11.1	0.54	plagioclase	conventional K-Ar	W27	"4.72E-04, 0.585E-04, 1.19E-04*"	0.1735	0.0278	16			age of intrusion		"0.173%, 0.174% K2O"	
478	1	14.08	0.41	whole rock	conventional K-Ar	W28	"4.72E-04, 0.585E-04, 1.19E-04*"	0.5605	0.1141	72			age of volcanism		"0.558%, 0.563% K2O"	
479	1	9.56	0.42	whole rock	conventional K-Ar	W29	"4.72E-04, 0.585E-04, 1.19E-04*"	1.72	0.2374	26			age of volcanism		"1.72%, 1.72% K2O"	
480	1	39.33		biotite	37Ar-41Ar total fusion	145	"4.72E-04, 0.585E-04, 1.19E-04*"	4.35	2.49	61			minimum age of intrusion	A MIXTURE OF BIOTITE AND HORNBLENDE WITH 5% CHLORITE.	ANALYTICAL ERROR IS +6 AND -2 M.Y.	
481	1	22.46		biotite	37Ar-41Ar total fusion	146	"4.72E-04, 0.585E-04, 1.19E-04*"	7.1	2.31	53			minimum age of intrusion	BIOTITE PLUS 4% CHLORITE AND 5% HORNBLENDE.	ANALYTICAL ERROR IS +3 AND -2 M.Y.	
482	1	9	0.4	whole rock	conventional K-Ar	UNDER W29	"4.72E-04, 0.585E-04, 1.19E-04*"	1.995	0.2592	29			age of volcanism		"1.99%, 2.00% K2O"	"AGE RECALCULATED FROM DATA GIVEN IN DALRYMPLE, G.B, 1964, CALIF. UNIV. PUBL. GEOL. SCI. 47"
483	1	6.28	0.18	whole rock	conventional K-Ar	A1	"4.72E-04, 0.585E-04, 1.19E-04*"	1.52	0.1377	55			age of volcanism		"1.51%, 1.53% K2O"	
484	1	23.97		biotite	37Ar-41Ar total fusion	161	"4.72E-04, 0.585E-04, 1.19E-04*"	5.47	1.9	36			minimum age of intrusion	BIOTITE (NO CHLORITE) PLUS 5% HORNBLENDE.	ANALYTICAL ERROR IS +4 AND -2 M.Y.	
485	1	19.16		biotite	37Ar-41Ar total fusion	175	"4.72E-04, 0.585E-04, 1.19E-04*"	8.87	2.46	65			minimum age of intrusion	BIOTITE PLUS 1% MONTMORILLONITE.	ANALYTICAL ERROR IS +3 AND -2 M.Y.	
486	1	127.62		biotite	37Ar-41Ar total fusion	180	"4.72E-04, 0.585E-04, 1.19E-04*"	5.41	10.3	19			age meaning uncertain (geologic factors)	BIOTITE PLUS 30% CHLORITE.	ANALYTICAL ERROR IS +19 AND-6 M.Y.	
486	2	107.29		biotite	37Ar-41Ar total fusion	180	"4.72E-04, 0.585E-04, 1.19E-04*"	5.41	8.61	35			age meaning uncertain (geologic factors)	BIOTITE PLUS 30% CHLORITE.	ANALYTICAL ERROR IS +16 AND -5 M.Y.	
487	1	4.25	0.12	whole rock	conventional K-Ar	A2	"4.72E-04, 0.585E-04, 1.19E-04*"	1.085	0.0664	45			age of volcanism		"1.08%, 1.09% K2O"	
488	1	50.14		biotite	37Ar-41Ar total fusion	206	"4.72E-04, 0.585E-04, 1.19E-04*"	6.83	5	24			minimum age of intrusion	BIOTITE (NO CHLORITE) PLUS 15% HORNBLENDE.	ANALYTICAL ERROR IS +7 AND -2 M.Y.	
488	2	40.82		biotite	37Ar-41Ar total fusion	206	"4.72E-04, 0.585E-04, 1.19E-04*"	6.83	4.06	71			age not evaluated	BIOTITE (NO CHLORITE) PLUS 15% HORNBLENDE.	ANALYTICAL ERROR IS +6 AND -2 M.Y.	
489	1	4.14	0.12	whole rock	conventional K-Ar	A3	"4.72E-04, 0.585E-04, 1.19E-04*"	0.975	0.0582	42			age of volcanism		"0.973%, 0.977% K2O"	
492	1	2303	60	biotite	conventional K-Ar	GMYB-5	"4.8E-04, 0.58E-04*"	7.64	512.9	92		Giletti (1968)	minimum age of intrusion	SMALL BOOKS OF BIOTITE INTERGROWN WITH PLAGIOCLASE; MINOR CHLORITIZATION	LISTED DATA ARE AVERAGES OF REPLICATE DETERMINATIONS	DISPARITY WITH RB-SR AGE PROBABLY DUE TO ARGON LOSS DURING ALTERATION
493	1	278	14	feldspar	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	12.43						PROBABLY MICROCLINE		ANALYZED MINERAL DOES NOT QUANTITATIVELY RETAIN ARGON
493	2	332	17	mica grop	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"	10.47					minimum age of intrusion	PROBABLY MUSCOVITE		
494	1	231	12	microcline	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	13.01								MICROCLINE DOES NOT QUANTITATIVELY RETAIN ARGON
494	2	242	12	microcline	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"	13.01								MICROCLINE DOES NOT QUANTITATIVELY RETAIN ARGON
494	3	329	16	mica grop	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"	9.93					age not evaluated	PROBABLY MUSCOVITE		
494	4	346	17	mica grop	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"	9.93					minimum age of intrusion	PROBABLY MUSCOVITE)		
495	1	248	12	feldspar	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	12.72						PROBABLY MICROCLINE		ANALYZED MINERAL DOES NOT QUANTITATIVELY RETAIN ARGON
495	2	338	17	mica grop	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"	10.81					minimum age of intrusion	PROBABLY MUSCOVITE		
496	1	290	14	feldspar	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	13.97						PROBABLY MICROCLINE		ANALYZED MINERAL DOES NOT QUANTITATIVELY RETAIN ARGON
496	2	293	15	feldspar	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"	13.97						PROBABLY MICROCLINE		ANALYZED MATERIAL DOES NOT QUANTITATIVELY RETAIN ARGON
497	1	402	20	whole rock	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	4.2					initial age disturbed by later metamorphism			
498	1	378	19	whole rock	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	5.26					initial age disturbed by later metamorphism			
499	1	378	19	whole rock	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	2.78					initial age disturbed by later metamorphism			
500	1	368	18	whole rock	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	1.63					initial age disturbed by later metamorphism			
501	1	260	13	whole rock	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	5.91					initial age disturbed by later metamorphism			
502	1	413	21	whole rock	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	4.78					initial age disturbed by later metamorphism			
502	2	394	20	whole rock	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	4.78					initial age disturbed by later metamorphism			
503	1	287	14	feldspar	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	12.95						PROBABLY MICROCLINE		ANALYZED MINERAL DOES NOT QUANTITATIVELY RETAIN ARGON
503	2	296	15	feldspar	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"	12.95						PROBABLY MICROCLINE		ANALYZED MINERAL DOES NOT QUANTITATIVELY RETAIN ARGON
503	3	555	28	mica grop	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"	3.75					minimum age of intrusion			
503	4	535	26	mica grop	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"	3.75					minimum age of intrusion			
504	1	535	27	whole rock	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	5.16					minimum age of intrusion	MAINLY FELDSPAR AND QUARTZ		
505	1	535	27	whole rock	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	8.9					minimum age of intrusion	PROBABLY FELDSPAR		
506	1	1110	56	whole rock	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	1.58					age of metamorphic crystallization			
507	1	655	33	whole rock	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	4.89					age meaning uncertain (geologic factors)	PROBABLY FELDSPAR AND QUARTZ		
508	1	1360	68	lepidolite	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	9.93					minimum age of intrusion			
508	2	1390	70	lepidolite	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	9.93					minimum age of intrusion			
508	3	980	49	microcline	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	14.24								MICROCLINE DOES NOT QUANTITATIVELY RETAIN ARGON
509	1	1430	72	microcline	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	11.4								MICROCLINE DOES NOT QUANTITATIVELY RETAIN ARGON
510	1	835	42	feldspar	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	12.48						PROBABLY MICROCLINE		ANALYZED MINERAL DOES NOT QUANTITATIVELY RETAIN ARGON
510	2	855	43	feldspar	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	12.48						PROBABLY MICROCLINE		ANALYZED MINERAL DOES NOT QUANTITATIVELY RETAIN ARGON
510	3	1360	68	lepidolite	conventional K-Ar	(NOT GIVEN)	"4.76E-04, 0.586E-04"	9.3					minimum age of intrusion			
511	1	95.7		sanidine	conventional K-Ar	(NOT GIVEN)	no decay constants given*						age of volcanism		NO ANALYTICAL DATA GIVEN; CALCULATED AGE IS THE AVERAGE OF 95.3 AND 96.1 M.Y.	
512	1	61		biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"						minimum age of volcanism		SEE RECORD 511 FOR DECAY CONSTANTS	
512	2	62.7		sanidine	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism			
513	1	1010		whole rock	conventional K-Ar	BT-1	no decay constants given					Baadsgaard and Mueller (1973)	initial age disturbed by later metamorphism		NO ANALYTICAL DATA GIVEN	SAMPLE TAKEN WITHIN A FEW METERS OF TERTIARY STOCK
514	1	1500		whole rock	conventional K-Ar	BT-8	no decay constants given					Baadsgaard and Mueller (1973)	age of intrusion		NO ANALYTICAL DATA GIVEN	
515	1	128	4	biotite	conventional K-Ar	KA81	"4.72E-04, 0.584E-04, 1.19E-04"	7.53		91		Curtis and others (1958)	age of intrusion			
516	1	136	4	biotite	conventional K-Ar	KA-97	"4.72E-04, 0.584E-04, 1.19E-04"	8.48		94		Curtis and others (1958)	age of intrusion			
517	1	10.7	0.3	biotite	conventional K-Ar	KA-132	"4.72E-04, 0.584E-04, 1.19E-04"	7.37		34			age of volcanism			
518	1	15.2	0.5	biotite	conventional K-Ar	KA 161	"4.72E-04, 0.584E-04, 1.19E-04"	5.06		9		Evernden and others (1964)	age of volcanism			
519	1	32	1	biotite	conventional K-Ar	KA-175	"4.72E-04, 0.584E-04, 1.19E-04"	7.69		50			age of volcanism			
520	1	59	2	biotite	conventional K-Ar	KA-176	"4.72E-04, 0.584E-04, 1.19E-04"	3.05		47			age of volcanism			
521	1	81	2	biotite	conventional K-Ar	KA-177	"4.72E-04, 0.584E-04, 1.19E-04"	8.38		89			"sample contains excess radiogenic argon, age is too old"			
522	1	96	3	biotite	conventional K-Ar	KA-404	"4.72E-04, 0.584E-04, 1.19E-04"	7.41		91		Curtis and others (1958)	age of volcanism			
523	1	12	0.4	biotite	conventional K-Ar	KA-414	"4.72E-04, 0.584E-04, 1.19E-04"	7.67		44		Evernden and others (1964)	age of volcanism			
524	1	15.2	0.5	biotite	conventional K-Ar	KA-449	"4.72E-04, 0.584E-04, 1.19E-04"	5.82		60		Evernden and others (1964)	age of volcanism			
525	1	169	5	biotite	conventional K-Ar	KA-431	"4.72E-04, 0.584E-04, 1.19E-04"	4.37		81			age of intrusion	A BIOTITE-HORNBLENDE CONCENTRATE	"LOW POTASSIUM VALUE DUE TO PRESENCE OF HORNBLENDE IN SAMPLE, NOT TO CHLORITIZED MICA"	
526	1	33.1	1	sanidine	conventional K-Ar	KA-483	"4.72E-04, 0.584E-04, 1.19E-04"	5.7		79		Evernden and others (1964)	age of volcanism			
527	1	421	12	biotite	conventional K-Ar	KA-462	"4.72E-04, 0.584E-04, 1.19E-04"	7.51		77			age of volcanism			"H. FAUL, DONOR OF THE BIOTITE SEPARATE, OBTAINED A K-AR AGE OF 420 M.Y. FOR THIS SAMPLE"
528	1	31.5	0.9	glauconite	conventional K-Ar	KA-147	"4.72E-04, 0.584E-04, 1.19E-04"	6.55		51						"AGE TOO YOUNG, PROBABLY DUE TO GEOTHERMAL AND/OR DIAGENETIC FACTORS"
529	1	70	2	glauconite	conventional K-Ar	KA-152	"4.72E-04, 0.584E-04, 1.19E-04"	5.31		35			age of volcanism			
529	2	69	2	glauconite	conventional K-Ar	KA-152	"4.72E-04, 0.584E-04, 1.19E-04"	6.67		73			age of volcanism			
530	1	70	2	glauconite	conventional K-Ar	KA-152	"4.72E-04, 0.584E-04, 1.19E-04"	5.31		35			age of volcanism			
530	2	69	2	glauconite	conventional K-Ar	KA-152	"4.72E-04, 0.584E-04, 1.19E-04"	6.67		73			age of volcanism			
531	1	42	1	glauconite	conventional K-Ar	KA-153	"4.72E-04, 0.584E-04, 1.19E-04"	7.01		82			minimum age of volcanism			
532	1	36	1	glauconite	conventional K-Ar	KA-154	"4.72E-04, 0.584E-04, 1.19E-04"	6.02		42						"AGE IS TOO YOUNG, PROBABLY DUE TO GEOTHERMAL AND/OR DIAGENETIC FACTORS"
533	1	25	1	glauconite	conventional K-Ar	KA-160	"4.72E-04, 0.584E-04, 1.19E-04"	6.48		48						"AGE IS TOOYOUNG, PROBABLY DUE TO GEOTHERMAL AND/OR DIAGENETIC FACTORS"
534	1	38	1	glauconite	conventional K-Ar	KA-162	"4.72E-04, 0.584E-04, 1.19E-04"	5.58		75						AGE IS TOO YOUNG
535	1	39	1	glauconite	conventional K-Ar	KA-165	"4.72E-04, 0.584E-04, 1.19E-04"	7.49		73						AGE IS TOO YOUNG
536	1	39	1	glauconite	conventional K-Ar	KA-166	"4.72E-04, 0.584E-04, 1.19E-04"	4.64		61						AGE IS TOO YOUNG
537	1	39	1	glauconite	conventional K-Ar	KA-166	"4.72E-04, 0.584E-04, 1.19E-04"	4.64		61						AGE IS TOO YOUNG
538	1	46	1	glauconite	conventional K-Ar	KA-170	"4.72E-04, 0.584E-04, 1.19E-04"	4.64		53						"AGE IS TOO YOUNG, PROBABLY DUE TO GEOTHERMAL AND/OR DIAGENETIC FACTORS"
539	1	23		glauconite	conventional K-Ar	KA-171	"4.72E-04, 0.584E-04, 1.19E-04"	6.13		34			minimum age of volcanism			
540	1	58	2	glauconite	conventional K-Ar	KA-172	"4.72E-04, 0.584E-04, 1.19E-04"	4.76		61			age of volcanism			
541	1	46	1	glauconite	conventional K-Ar	KA-178	"4.72E-04, 0.584E-04, 1.19E-04"	5.95		30						"AGE IS TOO YOUNG, PROBABLY DUE TO GEOTHERMAL AND/OR DIAGENETIC FACTORS"
542	1	43	1	glauconite	conventional K-Ar	KA-189	"4.72E-04, 0.584E-04, 1.19E-04"	6.53		63			age of volcanism			
543	1	5.2	0.2	glauconite	conventional K-Ar	KA-192	"4.72E-04, 0.584E-04, 1.19E-04"	6.02		7			age of volcanism			
544	1	246	7	whole rock	conventional K-Ar	KA-262	"4.72E-04, 0.584E-04, 1.19E-04"	6.11		68			age meaning uncertain (analysis questionable and geologic factors			
545	1	27	1	glauconite	conventional K-Ar	KA-265	"4.72E-04, 0.584E-04, 1.19E-04"	6.22		67						"AGE IS TOO YOUNG, PROBABLY DUE TO GEOTHERMAL AND/OR DIAGENETIC FACTORS"
546	1	18	1	glauconite	conventional K-Ar	KA-267	"4.72E-04, 0.584E-04, 1.19E-04"	6.3		55						"AGE IS TOO YOUNG, PROBABLY DUE TO DIAGENETIC AND/OR GEOTHERMAL FACTORS"
547	1	33	1	glauconite	conventional K-Ar	KA-285	"4.72E-04, 0.584E-04, 1.19E-04"	5.51		61						"AGE IS TOO YOUNG, PROBABLY DUE TO GEOTHERMAL AND/OR DIAGENETIC FACTORS"
548	1	295	9	whole rock	conventional K-Ar	KA-337	"4.72E-04, 0.584E-04, 1.19E-04"	3.45		68			age of volcanism			
549	1	305	9	whole rock	conventional K-Ar	KA-338	"4.72E-04, 0.584E-04, 1.19E-04"	2.48		66						AGE IS TOO YOUNG.
550	1	363	11	whole rock	conventional K-Ar	KA-339	"4.72E-04, 0.584E-04, 1.19E-04"	6.38		72						AGE IS TOO YOUNG
551	1	347	10	whole rock	conventional K-Ar	KA-340	"4.72E-04, 0.584E-04, 1.19E-04"	5.05		72						AGE IS TOO YOUNG
552	1	284	9	whole rock	conventional K-Ar	KA-341	"4.72E-04, 0.584E-04, 1.19E-04"	6.79		63						AGE IS TOO YOUNG
553	1	267	8	whole rock	conventional K-Ar	KA-342	"4.72E-04, 0.584E-04, 1.19E-04"	6.83		47						AGE IS TOO YOUNG
554	1	485	15	whole rock	conventional K-Ar	KA-343	"4.72E-04, 0.584E-04, 1.19E-04"	3.36		46			"sample contains inherited material, age is too old"			
554	2	490	15	illite	conventional K-Ar	KA-343A	"4.72E-04, 0.584E-04, 1.19E-04"	3.4		77			"sample contains inherited material, age is too old"	MATERIAL LESS THAT 74 MICRON  DIAMETER WAS ANALYZED		
555	1	457	14	whole rock	conventional K-Ar	KA-344	"4.72E-04, 0.584E-04, 1.19E-04"	7.04		87						AGE IS TOO YOUNG
556	1	52	2	glauconite	conventional K-Ar	KA-438	"4.72E-04, 0.584E-04, 1.19E-04"	5.37		77			age of volcanism			
557	1	52	2	glauconite	conventional K-Ar	KA-438	"4.72E-04, 0.584E-04, 1.19E-04"	5.37		77			age of volcanism			
558	1	340.77	17	muscovite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.75	58.05	97			minimum age of intrusion	"FRESH, OBTAINED WHERE NO URANINITE OCCURS"		
559	1	1552.1	80	muscovite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.1	357.8	99			age of intrusion			
559	2	1388.74	70	lepidolite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.97	300.2	98			minimum age of intrusion			
560	1	1302.75	65	lepidolite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.28	255.2	98			age not evaluated		VALUES SHOWN ARE AVERAGE OF 5 ANALYSES	
561	1	1257.52	60	muscovite	conventional K-Ar	C	"4.72E-04, 0.585E-04, 1.19E-04*"	10.8	282.7	100			age not evaluated			
561	2	1267.37	60	muscovite	conventional K-Ar	D	"4.72E-04, 0.585E-04, 1.19E-04*"	10.4	275.2	100			age not evaluated			
562	1	1368.79	70	muscovite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.86	320.3	99			minimum age of intrusion	PRIMARY		
563	1	1291.85	60	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.39	255.2	69			minimum age of intrusion	BIOTITE SLIGHTLY LEACHED AND CONTAINS ROD-LIKE INCLUSIONS		
564	1	1066.76	50	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	4.42	92.57	94			minimum age of intrusion	NOT CHLORITIZED		
565	1	984.82	50	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	6.58	124.1	95			minimum age of intrusion			
566	1	178.39	8	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.62	20.57	95			age not evaluated			
567	1	140.02	7	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.9	16.56	84			age not evaluated	"RAGGED GRAINS, PARTIALLY CHLORITIZED, BUT GOOD SAMPLE OBTAINED BY MAGNETIC SEPARATION"		
568	1	469.19	20	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	4.8	37.03	81			minimum age of intrusion			
570	1	2237.43	110	muscovite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.53	608	99			age not evaluated	PURPLE		
571	1	1387.11	70	lepidolite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.07	302.7	99			minimum age of intrusion			
572	1	1125.99	60	muscovite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.76	242.2	99			age not evaluated	PURPLE		
573	1	1289.97	60	lepidolite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.87	267.7	94			age not evaluated			
574	1	91.57	4	lepidolite	conventional K-Ar	A170	"4.72E-04, 0.585E-04, 1.19E-04*"	10.36	14.01	86			minimum age of intrusion			
575	1	1303.13	65	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.84	243.2	97			age of intrusion			
576	1	1310.18	65	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.16	226.2	99			age of intrusion			
577	1	1344.09	70	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.33	239.4	97			age of intrusion	BIOTITE IS CURVED AND HAS A RUSTY APPEARANCE		
578	1	1175.15	60	biotite	conventional K-Ar	NOT GIVEN	"4.72E-04, 0.585E-04, 1.19E-04*"	9.38	223.7	95			minimum age of intrusion	MODERATELY CHLORITIZED		
578	2	1218.19	60	muscovite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.8	195.4	92			minimum age of intrusion			
579	1	1066.11	50	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.34	153.6	98			age of intrusion	PARTIALLY CHLORITIZED		
580	1	676.05	35	biotite	conventional K-Ar	ND1	"4.72E-04, 0.585E-04, 1.19E-04*"	7.48	88.32				initial age disturbed by weathering		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
581	1	1750.03	85	biotite	conventional K-Ar	ND4	"4.72E-04, 0.585E-04, 1.19E-04*"	8.84	376.1				initial age disturbed by later metamorphism		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
585	1	1650.94	80	muscovite	conventional K-Ar	SD4	"4.72E-04, 0.585E-04, 1.19E-04*"	9.94	386.5				age of intrusion	RADIOGENIC ARGON WAS BETWEEN 85-100%		
586	1	1687.42	85	muscovite	conventional K-Ar	SD5	"4.72E-04, 0.585E-04, 1.19E-04*"	10.08	405.3				age of intrusion		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
589	1	1467.02	75	whole rock	conventional K-Ar	SD9	"4.72E-04, 0.585E-04, 1.19E-04*"	2.41	78.56				"minimum age of metamorphic crystallization, initial age disturbed by later metamorphism"	RADIOGENIC ARGON WAS BETWEEN 85-100%	RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
593	1	2392.28	120	biotite	conventional K-Ar	SD13	"4.72E-04, 0.585E-04, 1.19E-04*"	8.08	580.5				minimum age of intrusion		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
597	1	1687.45	85	whole rock	conventional K-Ar	SD17	"4.72E-04, 0.585E-04, 1.19E-04*"	3.82	153.6				age of intrusion		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
600	1	1401.34	70	biotite	conventional K-Ar	CO2	"4.72E-04, 0.585E-04, 1.19E-04*"	8.94	272.7				initial age disturbed by later metamorphism		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
604	1	1376.5	70	biotite	conventional K-Ar	NR1	"4.72E-04, 0.585E-04, 1.19E-04*"	9.3	276.5				initial age disturbed by later metamorphism			
605	1	1192.05	60	whole rock	conventional K-Ar	NR3	"4.72E-04, 0.585E-04, 1.19E-04*"	3.56	86.57				initial age disturbed by later metamorphism		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
607	1	1229	60	whole rock	conventional K-Ar	NR5	"4.72E-04, 0.585E-04, 1.19E-04*"	2.96	75.06				initial age disturbed by later metamorphism		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
611	1	891.17	45	biotite	conventional K-Ar	NR9	"4.72E-04, 0.585E-04, 1.19E-04*"	2.82	46.79				initial age disturbed by weathering		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
612	1	996.41	50	whole rock	conventional K-Ar	NR10	"4.72E-04, 0.585E-04, 1.19E-04*"	0.49	9.383				age not evaluated		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
613	1	1185.2	60	biotite	conventional K-Ar	NR12	"4.72E-04, 0.585E-04, 1.19E-04*"	8.99	216.9				initial age disturbed by later metamorphism		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
615	1	1183.28	60	biotite	conventional K-Ar	NR14	"4.72E-04, 0.585E-04, 1.19E-04*"	8.96	215.7				initial age disturbed by later metamorphism		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
616	1	1314	65	whole rock	conventional K-Ar	NR15	"4.72E-04, 0.585E-04, 1.19E-04*"	1.51	42.03				minimum age of metamorphic crystallization		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
617	1	1291.39	65	whole rock	conventional K-Ar	NR16	"4.72E-04, 0.585E-04, 1.19E-04*"	0.7	19.015				minimum age of metamorphic crystallization		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
618	1	1287.04	65	whole rock	conventional K-Ar	NR17	"4.72E-04, 0.585E-04, 1.19E-04*"	2.48	67.05				minimum age of metamorphic crystallization		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
619	1	1186.67	60	biotite	conventional K-Ar	NR18	"4.72E-04, 0.585E-04, 1.19E-04*"	8.83	213.4				initial age disturbed by later metamorphism		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
620	1	672.23	35	whole rock	conventional K-Ar	NR19	"4.72E-04, 0.585E-04, 1.19E-04*"	2.24	26.27				age not evaluated		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
622	1	1363.46	70	biotite	conventional K-Ar	NR22	"4.72E-04, 0.585E-04, 1.19E-04*"	5.97	175.1				age not evaluated		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
626	1	993.57	50	whole rock	conventional K-Ar	NR26	"4.72E-04, 0.585E-04, 1.19E-04*"	0.32	6.105				minimum age of intrusion		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
627	1	1170.13	60	biotite	conventional K-Ar	NR27	"4.72E-04, 0.585E-04, 1.19E-04*"	8.76	207.7				initial age disturbed by later metamorphism		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
628	1	1166.46	60	biotite	conventional K-Ar	WI1	"4.72E-04, 0.585E-04, 1.19E-04*"	8.7	205.4				minimum age of intrusion		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
631	1	1424.62	70	muscovite	conventional K-Ar	WI4	"4.72E-04, 0.585E-04, 1.19E-04*"	10.51	328.3				age meaning uncertain (geologic factors)		RADIOGENIC ARGON WAS BETWEEN 85 AND 100%	
632	1	1510.49	75	biotite	conventional K-Ar	MO1	"4.72E-04, 0.585E-04, 1.19E-04*"	9.34	317.8				minimum age of intrusion	RADIOGENIC-ARGON WAS BETWEEN 69-99%	RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
634	1	1244.69	60	whole rock	conventional K-Ar	MO3	"4.72E-04, 0.585E-04, 1.19E-04*"	1.91	49.29				"minimum age of intrusion, initial age disturbed by later metamorphism"		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
635	1	1403.24	70	muscovite	conventional K-Ar	MO4	"4.72E-04, 0.585E-04, 1.19E-04*"	10.48	320.3				minimum age of intrusion		RADIOGONIC ARGON WAS BETWEEN 69 AND 99%	
636	1	1416.07	70	biotite	conventional K-Ar	MO5	"4.72E-04, 0.585E-04, 1.19E-04*"	9.21	285.2				minimum age of intrusion		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
641	1	1244.04	60	biotite	conventional K-Ar	MO10	"4.72E-04, 0.585E-04, 1.19E-04*"	9.14	235.7				minimum age of intrusion		RADIOGENIC-ARGON WAS BETWEEN 69 AND 99%	
642	1	1265.54	60	muscovite	conventional K-Ar	MO11	"4.72E-04, 0.585E-04, 1.19E-04*"	10.97	289.7				age of intrusion		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
647	1	1340.62	65	biotite	conventional K-Ar	MO16	"4.72E-04, 0.585E-04, 1.19E-04*"	8.64	247.4				age not evaluated		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%.	
648	1	1284.73	65	biotite	conventional K-Ar	MO17	"4.72E-04, 0.585E-04, 1.19E-04*"	8.84	238.4				age not evaluated		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%.	
649	1	1360.25	70	muscovite	conventional K-Ar	MO18	"4.72E-04, 0.585E-04, 1.19E-04*"	10.28	300.5				age not evaluated		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%.	
650	1	1092.56	60	whole rock	conventional K-Ar	KA1	"4.72E-04, 0.585E-04, 1.19E-04*"	1.47	31.78						RADIOGENIC ARGON WAS BETWEEN 69 AND 99%.	
654	1	1211.83	60	biotite	conventional K-Ar	KA5	"4.72E-04, 0.585E-04, 1.19E-04*"	8.19	203.7				initial age disturbed by later metamorphism		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
663	1	1261.99	65	whole rock	conventional K-Ar	KA21	"4.72E-04, 0.585E-04, 1.19E-04*"	0.37	9.733				age not evaluated		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%.	
691	1	508.33	25	biotite	conventional K-Ar	OK20	"4.72E-04, 0.585E-04, 1.19E-04*"	8.82	74.56				age of intrusion		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
693	1	1240.98	60	hornblende	conventional K-Ar	TX2	"4.72E-04, 0.585E-04, 1.19E-04*"	0.7	17.99						RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
698	1	1209.58	60	plagioclase	conventional K-Ar	TX9	"4.72E-04, 0.585E-04, 1.19E-04*"	0.12	2.977				age of intrusion		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
701	1	1010	50	biotite	conventional K-Ar	TX15	"4.72E-04, 0.585E-04, 1.19E-04*"	8.24	160.6				age of metamorphic crystallization		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
704	1	371.75	20	biotite	conventional K-Ar	TX22	"4.72E-04, 0.585E-04, 1.19E-04*"	7.24	43.03				age not evaluated		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
707	1	1332.94	65	muscovite	conventional K-Ar	NM2	"4.72E-04, 0.585E-04, 1.19E-04*"	8.95	254.2				minimum age of intrusion		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
708	1	1357.2	70	biotite	conventional K-Ar	NM3	"4.72E-04, 0.585E-04, 1.19E-04*"	6.5	189.4				initial age disturbed by later metamorphism		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
710	1	1357.65	70	biotite	conventional K-Ar	NM5	"4.72E-04, 0.585E-04, 1.19E-04*"	6.84	199.4				initial age disturbed by later metamorphism		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
711	1	1376.15	70	muscovite	conventional K-Ar	NM6	"4.72E-04, 0.585E-04, 1.19E-04*"	8.94	265.7				age of intrusion		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
713	1	1406.69	70	biotite	conventional K-Ar	NM8	"4.72E-04, 0.585E-04, 1.19E-04*"	8.94	274.2				minimum age of metamorphic crystallization		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
715	1	1376.55	70	biotite	conventional K-Ar	NM10	"4.72E-04, 0.585E-04, 1.19E-04*"	8.98	267				minimum age of metamorphic crystallization		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
716	1	1386.7	70	biotite	conventional K-Ar	NM11	"4.72E-04, 0.585E-04, 1.19E-04*"	8.52	256				minimum age of metamorphic crystallization		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
718	1	1348.29	65	muscovite	conventional K-Ar	NM15	"4.72E-04, 0.585E-04, 1.19E-04*"	8.65	249.7				age of metamorphic crystallization		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
720	1	1196.55	60	biotite	conventional K-Ar	NM19	"4.72E-04, 0.585E-04, 1.19E-04*"	7.72	188.7				minimum age of intrusion		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
725	1	1275.78	65	biotite	conventional K-Ar	CO9	"4.72E-04, 0.585E-04, 1.19E-04*"	9.2	245.7				initial age disturbed by later metamorphism		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
729	1	1374.15	70	biotite	conventional K-Ar	UT2	"4.72E-04, 0.585E-04, 1.19E-04*"	8.2	243.2				initial age disturbed by later metamorphism		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
730	1	297.77	15	biotite	conventional K-Ar	AL1	"4.72E-04, 0.585E-04, 1.19E-04*"	8.91	41.53				age not evaluated		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
731	1	491.02	25	whole rock	conventional K-Ar	FL1	"4.72E-04, 0.585E-04, 1.19E-04*"	0.93	7.556				minimum age of intrusion		RADIOGENIC ARGON WAS BETWEEN 69 AND 99%	
734	1	997.27	50	biotite	conventional K-Ar	IA3	"4.72E-04, 0.585E-04, 1.19E-04*"	8.68	166.4				initial age disturbed by later metamorphism		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	REHEATED BY KEWEENAWAN IGNEOUS ACTIVITY
735	1	736.33	35	biotite	conventional K-Ar	IA4	"4.72E-04, 0.585E-04, 1.19E-04*"	6.25	81.82				"age meaning uncertain (geologic factors), initial age disturbed by later metamorphism"		RADIOGENIC ARGON WAS BETWEEN 93 AAD 99%	REHEATED BY KEWEENAWAN IGNEOUS ACTIVITY
736	1	1296.22	65	biotite	conventional K-Ar	IA5	"4.72E-04, 0.585E-04, 1.19E-04*"	8.54	233.2				minimum age of intrusion		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	
737	1	1416	70	biotite	conventional K-Ar	IA6	"4.72E-04, 0.585E-04, 1.19E-04*"	7.57	234.4				age of intrusion		RADIOGENIC ARGON WAS BETWEEN 93 AAD 99%	
738	1	1291.8	65	biotite	conventional K-Ar	IA7	"4.72E-04, 0.585E-04, 1.19E-04*"	9.42	256				minimum age of intrusion		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	
739	1	1295.54	65	muscovite	conventional K-Ar	IA8	"4.72E-04, 0.585E-04, 1.19E-04*"	9.84	268.5				minimum age of intrusion		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	
739	2	1226.8	60	biotite	conventional K-Ar	IA8	"4.72E-04, 0.585E-04, 1.19E-04*"	8.97	226.9				minimum age of intrusion		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	
741	1	1385.53	70	biotite	conventional K-Ar	IL1	"4.72E-04, 0.585E-04, 1.19E-04*"	9.27	278.2				minimum age of intrusion		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	
742	1	1215.59	60	biotite	conventional K-Ar	IL2	"4.72E-04, 0.585E-04, 1.19E-04*"	6.77	169.1				age not evaluated		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	
743	1	654.67	30	biotite	conventional K-Ar	IL3	"4.72E-04, 0.585E-04, 1.19E-04*"	6.76	76.81				age meaning uncertain (geologic factors)		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	
745	1	1307.73	65	biotite	conventional K-Ar	IL5	"4.72E-04, 0.585E-04, 1.19E-04*"	7.61	210.4				minimum age of intrusion		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	
746	1	1404.11	70	biotite	conventional K-Ar	IL6	"4.72E-04, 0.585E-04, 1.19E-04*"	8.98	274.7				minimum age of intrusion		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	
747	1	1354.69	70	biotite	conventional K-Ar	IL7	"4.72E-04, 0.585E-04, 1.19E-04*"	8.42	244.7				minimum age of intrusion		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%.	
752	1	1102.27	55	biotite	conventional K-Ar	MI1	"4.72E-04, 0.585E-04, 1.19E-04*"	7.57	165.6				age of intrusion		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	PROBABLY EQUIVALENT TO DULUTH GABBRO COMPLEX
753	1	985.16	50	biotite	conventional K-Ar	MI2	"4.72E-04, 0.585E-04, 1.19E-04*"	9.28	175.1				minimum age of metamorphic crystallization		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	
756	1	974.58	50	biotite	conventional K-Ar	OH1	"4.72E-04, 0.585E-04, 1.19E-04*"	8.97	166.9				minimum age of metamorphic crystallization		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	
757	1	947.6	45	biotite	conventional K-Ar	OM2	"4.72E-04, 0.585E-04, 1.19E-04*"	8.66	155.4				minimum age of metamorphic crystallization		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	
758	1	947.52	45	biotite	conventional K-Ar	OH3	"4.72E-04, 0.585E-04, 1.19E-04*"	8.02	143.9				minimum age of metamorphic crystallization		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	
762	1	954.72	45	biotite	conventional K-Ar	OH8	"4.72E-04, 0.585E-04, 1.19E-04*"	8.45	153.1				age of metamorphic crystallization	BIOTITE FROM 4190-4215 FOOT INTERVAL	RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	
762	2	893.4	45	muscovite	conventional K-Ar	OH8	"4.72E-04, 0.585E-04, 1.19E-04*"	10.73	178.6				minimum age of metamorphic crystallization	MUSCOVITE FROM 4190-4210 AND 4280-4285 FOOT INTERVALS	RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	
763	1	989.3	50	biotite	conventional K-Ar	OH9	"4.72E-04, 0.585E-04, 1.19E-04*"	8.07	153.1				age of metamorphic crystallization		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	
763	2	942.8	45	muscovite	conventional K-Ar	OH9	"4.72E-04, 0.585E-04, 1.19E-04*"	9.99	178.1				minimum age of metamorphic crystallization		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	
764	1	999	50	biotite	conventional K-Ar	OH10	"4.72E-04, 0.585E-04, 1.19E-04*"	7.76	149.1				minimum age of metamorphic crystallization		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	
765	1	864.19	45	biotite	conventional K-Ar	WV1	"4.72E-04, 0.585E-04, 1.19E-04*"	9.06	144.6				minimum age of metamorphic crystallization		RADIOGENIC ARGON WAS BETWEEN 93 AND 99%	
766	1	75.14		biotite	conventional K-Ar	KA-137	"4.72E-04, 0.577E-04*"	8.5	9.39	64		Evernden and others (1957)	age of intrusion			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
767	1	81.4		biotite	conventional K-Ar	KA-177	"4.72E-04, 0.577E-04*"	8.2	9.83	53		Evernden and others (1957)	age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
768	1	80.27		biotite	conventional K-Ar	KA-133	"4.72E-04, 0.577E-04*"	7.1	8.39	59		Evernden and others (1957)	age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
769	1	81.92		biotite	conventional K-Ar	KA-135	"4.72E-04, 0.577E-04*"	6.73	8.12	37		Evernden and others (1957)	age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
770	1	82.14		biotite	conventional K-Ar	KA-73	"4.72E-04, 0.577E-04*"	7.72	9.34	62		Evernden and others (1957)	age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
771	1	85.36		biotite	conventional K-Ar	KA-100	"4.72E-04, 0.577E-04*"	9.79	12.32	79		Evernden and others (1957)	age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
772	1	86.38		biotite	conventional K-Ar	KA-68	"4.72E-04, 0.577E-04*"	7.96	10.14	91		Evernden and others (1957)	age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
773	1	89.98		biotite	conventional K-Ar	KA-72	"4.72E-04, 0.577E-04*"	9.14	12.14	83		Evernden and others (1957)	age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
774	1	90.65		biotite	conventional K-Ar	KA-71	"4.72E-04, 0.577E-04*"	9.1	12.18	92		Evernden and others (1957)	age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
775	1	93.04		biotite	conventional K-Ar	KA-67	"4.72E-04, 0.577E-04*"	8.54	11.74	87		Evernden and others (1957)	age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
776	1	82.23		biotite	conventional K-Ar	KA-185	"4.72E-04, 0.577E-04*"	6.53	7.91	64			age of intrusion			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
777	1	81.88		biotite	conventional K-Ar	KA-184	"4.72E-04, 0.577E-04*"	7.96	9.6	92			age of intrusion			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
778	1	81.6		biotite	conventional K-Ar	KA-94	"4.72E-04, 0.577E-04"	8.91	9.6	44			age of intrusion		(*)	AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
779	1	90.04		biotite	conventional K-Ar	KA-92	"4.72E-04, 0.577E-04*"	6.41	8.52	35			age of intrusion			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
780	1	139.59		biotite	conventional K-Ar	KA-120	"4.72E-04, 0.577E-04*"	8.38	17.51	89			age of intrusion			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
781	1	127.41		muscovite	conventional K-Ar	KA-102	"4.72E-04, 0.577E-04*"	9.36	17.79	67			age of intrusion			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
781	2	128.2		biotite	conventional K-Ar	KA-103	"4.72E-04, 0.577E-04*"	7.58	14.5	87			age of intrusion			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
782	1	131.22		biotite	conventional K-Ar	KA-98	"4.72E-04, 0.577E-04*"	7.43	14.56	84			age of intrusion			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
783	1	81.33		biotite	conventional K-Ar	KA-93	"4.72E-04, 0.577E-04*"	7.99	9.57	70			age of intrusion			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
784	1	88.38		biotite	conventional K-Ar	KA-78	"4.72E-04, 0.577E-04*"	3.42	4.46	37				"DETRITAL BIOTITE, PROBABLY CHLORITIC"		AGE IS MEAN AGE OF SOURCE ROCKS FOR THE SEDIMENTS. AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
785	1	103.81		biotite	conventional K-Ar	KA-204	"4.72E-04, 0.577E-04*"	2.6	4	55				"DETRITAL BIOTITE, PROBABLY CHLORITIC"		AGE IS MEAN AGE OF SOURCE ROCKS FOR THE SEDIMENTS. AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
786	1	140.82	12	biotite	conventional K-Ar	KA-199	"4.72E-04, 0.577E-04*"	1.75	3.69	56				"DETRITAL BIOTITE, PROBABLY CHLORITIC"		AGE IS MEAN AGE OF SOURCE ROCKS FOR THE SEDIMENTS. AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
787	1	88.27		biotite	conventional K-Ar	KA-74	"4.72E-04, 0.577E-04*"	7.01	9.13	84			age of intrusion			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
788	1	139.22		biotite	conventional K-Ar	KA-97	"4.72E-04, 0.577E-04*"	8.48	17.67	94		Curtis and others (1958)	age of intrusion			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
789	1	130.49		biotite	conventional K-Ar	KA-81	"4.72E-04, 0.577E-04*"	7.53	14.67	92		Evernden and others (1961)	age of intrusion	BIOTITE SOMEWHAT CHLORITIZED		AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
790	1	75.14	1.5	biotite	conventional K-Ar	KA-137	"4.72E-04, 0.577E-04*"	8.5	9.39	64		Curtis and others (1958)	age of intrusion			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
791	1	81.4	1.7	biotite	conventional K-Ar	KA-177	"4.72E-04, 0.577E-04*"	8.2	9.83	53		Curtis and others (1958)	age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
792	1	80.27	1.6	biotite	conventional K-Ar	KA-133	"4.72E-04, 0.577E-04*"	7.1	8.39	59		Curtis and others (1958)	age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
793	1	81.92	1.7	biotite	conventional K-Ar	KA-135	"4.72E-04, 0.577E-04*"	6.73	8.12	37		Curtis and others (1958)	age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
794	1	82.14	1.7	biotite	conventional K-Ar	KA-73	"4.72E-04, 0.577E-04*"	7.72	9.34	62		Curtis and others (1958)	age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
794	2	81.97	1.7	biotite	conventional K-Ar	KA-73R	"4.72E-04, 0.577E-04*"	7.71	9.309	68			age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
795	1	85.36	1.7	biotite	conventional K-Ar	KA-100	"4.72E-04, 0.577E-04*"	9.79	12.32	79		Curtis and others (1958)	age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
796	1	86.38	1.7	biotite	conventional K-Ar	KA-68	"4.72E-04, 0.577E-04*"	7.96	10.14	91		Curtis and others (1958)	age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
797	1	89.98	1.8	biotite	conventional K-Ar	KA-72	"4.72E-04, 0.577E-04*"	9.14	12.14	83		Curtis and others (1958)	age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
798	1	90.65	1.9	biotite	conventional K-Ar	KA-71	"4.72E-04, 0.577E-04*"	9.1	12.18	92		Curtis and others (1958)	age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
799	1	93.04	1.9	biotite	conventional K-Ar	KA-67	"4.72E-04, 0.577E-04*"	8.54	11.74	87		Curtis and others (1958)	age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
800	1	83.06	1.7	biotite	conventional K-Ar	KA-149	"4.72E-04, 0.577E-04*"	8.02	9.815	87			age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
801	1	77.39	1.7	biotite	conventional K-Ar	KA-155	"4.72E-04, 0.577E-04*"	8.48	9.654	78			age not evaluated			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
802	1	1.52	0.24	biotite	conventional K-Ar	KA-101	"4.72E-04, 0.577E-04*"	4.87	0.1066	5			age of intrusion			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
803	1	1.64	0.1	biotite	conventional K-Ar	KA-65	"4.72E-04, 0.577E-04*"	7.96	0.1884	21			age of intrusion			AGE CALCULATED WITH OBSOLETE DECAY CONSTANTS FOR POTASSIUM-40
808	1	63.88	1.9	biotite	conventional K-Ar	L-843	"4.72E-04, 0.585E-04, 1.19E-04*"	4.23	3.96	82			age of intrusion	"ANALYZED SEPARATE WAS 95% BIOTITE, 5% CHLORITE, QUARTZ, AND FELDSPAR"	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES	
808	2	65.15	1.9	biotite	conventional K-Ar	L-843	"4.72E-04, 0.585E-04, 1.19E-04*"	4.23	4.04	78			age of intrusion	"ANALYZED SEPARATE WAS 95% BIOTITE, 5% CHLORITE, QUARTZ, AND FELDSPAR"	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES	
808	3	63.56	1.9	biotite	conventional K-Ar	L-843	"4.72E-04, 0.585E-04, 1.19E-04*"	4.23	3.94	78			age of intrusion	"ANALYZED SEPARATE WAS 95% BIOTITE, 5% CHLORITE, QUARTZ, AND FELDSPAR"	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES	
809	1	19.6	1.3	biotite	conventional K-Ar	L-844	"4.72E-04, 0.585E-04, 1.19E-04*"	5.71	1.62	21				BIOTITE PLUS 12% CHLORITE AND 5% HORNBLENDE		AGE MAY INDICATE TIME OF ALTERATION
809	2	20.07	3.5	hornblende	conventional K-Ar	L-844	"4.72E-04, 0.585E-04, 1.19E-04*"	0.475	0.138	9				"HORNBLENDE PLUS 4% CHLORITE, BIOTITE, AND EPIDOTE"		AGE MAY INDICATE TIME OF ALTERATION
810	1	58.83	1.7	biotite	conventional K-Ar	L-846	"4.72E-04, 0.585E-04, 1.19E-04*"	8.41	7.24	90			age of intrusion	BIOTITE PLUS 2% IMPURITIES		
811	1	60.81	1.8	biotite	conventional K-Ar	L-850	"4.72E-04, 0.585E-04, 1.19E-04*"	8.49	7.56	94			age of intrusion	100% BIOTITE SEPARATE		
812	1	62.94	2.3	hornblende	conventional K-Ar	L-847	"4.72E-04, 0.585E-04, 1.19E-04*"	0.475	0.438	33			age of intrusion	ANALYZED SEPARATE CONTAINED 10% CHLORITE AND OTHER IMPURITIES	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES.	
812	2	64.63	6.3	hornblende	conventional K-Ar	L-847	"4.72E-04, 0.585E-04, 1.19E-04*"	0.475	0.45	15			age of intrusion	ANALYZED SEPARATE CONTAINED 10% CHLORITE AND OTHER IMPURITIES	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES.	
813	1	56.5	1.7	biotite	conventional K-Ar	L-976	"4.72E-04, 0.585E-04, 1.19E-04*"	7.54	6.23	86			age of intrusion	ANALYZED SEPARATE CONTAINED 5% CHLORITE		
814	1	24.76	0.8	hornblende	conventional K-Ar	L-942	"4.72E-04, 0.585E-04, 1.19E-04*"	1.07	0.384	40			age of intrusion	"ANALYZED SEPARATE CONTAINED 12% CHLORITE, 5% BIOTITE AND OTHER IMPURITIES"		
815	1	27.09	0.8	biotite	conventional K-Ar	L-1126	"4.72E-04, 0.585E-04, 1.19E-04*"	8.17	3.21	69			age of intrusion	SAMPLE IS 100% BIOTITE	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES.	
816	1	25.92	0.8	biotite	conventional K-Ar	L-1036	"4.72E-04, 0.585E-04, 1.19E-04*"	5.72	2.15	55			age of intrusion	80-100 MESH ANALYZED SEPARATE CONTAINED 40% CHLORITE		
817	1	122.01	4	hornblende	conventional K-Ar	L-1037	"4.72E-04, 0.585E-04, 1.19E-04*"	1.04	1.89	88			age meaning uncertain (geologic factors)	ANALYZED SEPARATE CONTAINS ABOUT 40% CHLORITE		
818	1	34.19	1	aegerine (acmite)	conventional K-Ar	L-945	"4.72E-04, 0.585E-04, 1.19E-04*"	0.664	0.33	56			age of intrusion	ANALYZED SEPARATE CONTAINED 2% BIOTITE AND OTHER IMPURITIES		
818	2	34.5	1.3	aegerine (acmite)	conventional K-Ar	L-945	"4.72E-04, 0.585E-04, 1.19E-04*"	0.664	0.333	44			age of intrusion	ANALYZED SEPARATE CONTAINED 2% BIOTITE AND OTHER IMPURITIES.		
819	1	9.77	0.3	biotite	conventional K-Ar	L-1030	"4.72E-04, 0.585E-04, 1.19E-04*"	7.37	1.04	43			age of intrusion	ANALYZED SEPARATE CONTAINED 10% IMPURITIES		
820	1	78.61	2.3	hornblende	conventional K-Ar	L-1031	"4.72E-04, 0.585E-04, 1.19E-04*"	0.657	0.76	71			age meaning uncertain (analysis questionable)	ANALYZED SEPARATE CONTAINED 2% EPIDOTE AND FELDSPAR	"POTASSIUM DETERMINATIONS ARE 0.664, 0.640, AND 0.665% K20; AVERAGE IS 0.657% K20."	
820	2	73.24	2.2	hornblende	conventional K-Ar	L-1031	"4.72E-04, 0.585E-04, 1.19E-04*"	0.657	0.707	56			age of intrusion	ANALYZED SEPARATE CONTAINED 2% EPIDOTE AND FELDSPAR	"POTASSIUM DETERMINATIONS ARE 0.664, 0.640, 0.665% K20; AVERAGE IS 0.657% K20"	
821	1	39.44	1.2	biotite	conventional K-Ar	L-1032	"4.72E-04, 0.585E-04, 1.19E-04*"	6.55	3.76	77			age of intrusion	80-100 MESH ANALYZED SEPARATE CONTAINED 2% IMPURITIES		
822	1	71.96	2.1	biotite	conventional K-Ar	L-1035	"4.72E-04, 0.585E-04, 1.19E-04*"	8.25	8.72	96			age of intrusion	"80-100 MESH, HORNBLENDE PLUS 2% IMPURITIES (BIOTITE, ETC.)"		
822	2	71.5	2.1	hornblende	conventional K-Ar	L-1035	"4.72E-04, 0.585E-04, 1.19E-04*"	1	1.05	86			age of intrusion			
823	1	60.35	1.8	biotite	conventional K-Ar	L-1124	"4.72E-04, 0.585E-04, 1.19E-04*"	8.24	7.28	94			age of intrusion	60-100 MESH ANALYZED SEPARATE CONTAINED 5% IMPURITIES		
824	1	66.03	1.9	biotite	conventional K-Ar	L-1125	"4.72E-04, 0.585E-04, 1.19E-04*"	6.94	6.72	92			age of intrusion	ANALYZED SEPARATE CONTAINS 25% CHLORITE		
825	1	23.28	0.7	Unk	conventional K-Ar	L-1039	"4.72E-04, 0.585E-04, 1.19E-04*"	8.48	2.86	79			age of intrusion	"80-100 MESH, PURE BIOTITE SEPARATE"		
825	2	25.05	0.7	muscovite	conventional K-Ar	L-1039	"4.72E-04, 0.585E-04, 1.19E-04*"	9.94	3.61	81			age of intrusion	"80-100 MESH, MUSCOVITE SEPARATE WITH 2% IMPURITIES"		
826	1	131.35	4	hornblende	conventional K-Ar	L-955	"4.72E-04, 0.585E-04, 1.19E-04*"	1.3	2.55	75			minimum age of intrusion	ANALYZED SEPARATE CONTAINED 5% IMPURITIES		
826	2	137.3	4	hornblende	conventional K-Ar	L-955	"4.72E-04, 0.585E-04, 1.19E-04*"	1.3	2.67	84			age of intrusion	ANALYZED SEPARATE CONTAINED 5% IMPURITIES		
827	1	51.95	1.5	biotite	conventional K-Ar	L-1048	"4.72E-04, 0.585E-04, 1.19E-04*"	6.84	5.19	82			age of intrusion	SEPARATE CONTAINED 2% IMPURITIES		
827	2	68.77	2	hornblende	conventional K-Ar	L-1048	"4.72E-04, 0.585E-04, 1.19E-04*"	0.875	0.883	78			"sample contains excess radiogenic argon, age is too old"	SEPARATE CONTAINED 2% BIOTITE		
827	3	60.73	1.8	hornblende	conventional K-Ar	L-1048	"4.72E-04, 0.585E-04, 1.19E-04*"	0.875	0.778	36			"sample contains excess radiogenic argon, age is too old"	SEPARATE CONTAINED 2% BIOTITE		
827	4	52.49	1.5	hornblende	conventional K-Ar	L-1048	"4.72E-04, 0.585E-04, 1.19E-04*"	0.875	0.671	60			age of intrusion	SEPARATE CONTAINED 2% BIOTITE		
827	5	50.72	1.5	hornblende	conventional K-Ar	L-1048	"4.72E-04, 0.585E-04, 1.19E-04*"	0.875	0.648	56			age of intrusion	SEPARATE CONTAINED 2% BIOTITE		
828	1	1310	40	hornblende	conventional K-Ar	L-1049	"4.72E-04, 0.585E-04, 1.19E-04*"	0.302	8.37	86			age of intrusion	80-100 MESH ANALYZED SEPARATE CONTAINED AUGITE AND CHLORITE		
829	1	69.79	2	biotite	conventional K-Ar	L-956	"4.72E-04, 0.585E-04, 1.19E-04*"	8.59	8.8	93			age of intrusion	60-100 MESH SEPARATE OF PURE BIOTITE	POTASSIUM VALUE GIVEN IN ARTICLE AS 7.13% K	
829	2	67.24	2	muscovite	conventional K-Ar	L-956	"4.72E-04, 0.585E-04, 1.19E-04*"	10.24	10.1	71			age of intrusion	60-100 MESH SEPARATE OF PURE MUSCOVITE	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES (8.49% AND 8.52% K).	
829	3	69.2	2	muscovite	conventional K-Ar	L-956	"4.72E-04, 0.585E-04, 1.19E-04*"	10.24	10.4	89			age of intrusion	60-100 MESH SEPARATE OF PURE MUSCOVITE	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES (8.49% AND 8.52% K).	
830	1	74.74	2.2	biotite	conventional K-Ar	L-957	"4.72E-04, 0.585E-04, 1.19E-04*"	8.72	9.58	79		McDowell and Kulp (1969)	age not evaluated	100% BIOTITE SEPARATE		
831	1	117.69	3	biotite	conventional K-Ar	L-1027	"4.72E-04, 0.585E-04, 1.19E-04*"	8.11	14.2	93		McDowell and Kulp (1969)	age not evaluated	80-100 MESH SEPARATE CONTAINS 25% CHLORITE		
831	2	128.73	4	hornblende	conventional K-Ar	L-1027	"4.72E-04, 0.585E-04, 1.19E-04*"	1.14	2.19	81		McDowell and Kulp (1969)	age not evaluated	80-100 MESH SEPARATE CONTAINS 5% BIOTITE AND 2% CHLORITE		
831	3	124.75	4	hornblende	conventional K-Ar	L-1027	"4.72E-04, 0.585E-04, 1.19E-04*"	1.14	2.12	86			age not evaluated	80-100 MESH SEPARATE CONTAINS 5% BIOTITE AND 2% CHLORITE		
832	1	78.58	2.3	biotite	conventional K-Ar	L-1028	"4.72E-04, 0.585E-04, 1.19E-04*"	8.57	9.91	89		McDowell and Kulp (1969)	age not evaluated			
833	1	44.07	1.3	biotite	conventional K-Ar	L-1029	"4.72E-04, 0.585E-04, 1.19E-04*"	8.05	5.17	85		McDowell and Kulp (1969)	age not evaluated	ANALYZED SEPARATE CONTAINED 3% CHLORITE		
834	1	50.36	1.5	biotite	conventional K-Ar	L-1121	"4.72E-04, 0.585E-04, 1.19E-04*"	8.31	6.11	87		McDowell and Kulp (1969)	age not evaluated	ANALYZED SEPARATE CONTAINED 10% CHLORITE		
835	1	163.6	5	hornblende	conventional K-Ar	L-1122	"4.72E-04, 0.585E-04, 1.19E-04*"	0.434	1.07	78		McDowell and Kulp (1969)	age not evaluated	ANALYZED SEPARATE CONTAINED 5% IMPURITIES		
835	2	154.81	7	hornblende	conventional K-Ar	L-1122	"4.72E-04, 0.585E-04, 1.19E-04*"	0.434	1.01	53		Zartman and Wasserburg (1969)	age not evaluated	ANZLYZED SEPARATE CONTAINED 5% IMPURITIES		
836	1	44.62	1.3	biotite	conventional K-Ar	L-1123	"4.72E-04, 0.585E-04, 1.19E-04*"	7.58	4.93	79		McDowell and Kulp (1969)	age not evaluated			
837	1	39.18	1.1	biotite	conventional K-Ar	L-953	"4.72E-04, 0.585E-04, 1.19E-04*"	8.26	4.71	84		McDowell and Kulp (1969)	age not evaluated	60-100 MESH ANALYZED SEPARATE CONTAINED 15% CHLORITE		
838	1	42	1.3	biotite	conventional K-Ar	L-954	"4.72E-04, 0.585E-04, 1.19E-04"	8.89		6		McDowell and Kulp (1969)	age not evaluated	60-100 MESH ANALYZED SEPARATE CONTAINED 7% CHLORITE		
839	1	63.45	1.9	biotite	conventional K-Ar	L-1026	"4.72E-04, 0.585E-04, 1.19E-04*"	9.54	8.87	88		McDowell and Kulp (1969)	age not evaluated	80-100 MESH ANALYZED SEPARATE CONTAINED 5% QUARTZ AND FELDSPAR		
839	2	60.36	1.8	biotite	conventional K-Ar	L-1026	"4.72E-04, 0.585E-04, 1.19E-04*"	9.54	8.43	86		McDowell and Kulp (1969)	age not evaluated	80-100 MESH ANALYZED SEPARATE CONTAINED 5% QUARTZ AND FELDSPAR		
840	1	56.05	1.6	muscovite	conventional K-Ar	L-1120	"4.72E-04, 0.585E-04, 1.19E-04*"	10.37	8.5	88		McDowell and Kulp (1969)	age not evaluated	ANALYZED SEPARATE CONTAINED 2% FELDSPAR		
841	1	78.51	2.3	biotite	conventional K-Ar	L-951	"4.72E-04, 0.585E-04, 1.19E-04*"	6.89	7.96	79		Tilling and others (1968)	age of intrusion	ANALYZED SEPARATE CONTAINED 5% IMPURITIES		
841	2	78.53	2.3	hornblende	conventional K-Ar	L-951	"4.72E-04, 0.585E-04, 1.19E-04*"	0.836	0.966	46		Tilling and others (1968)	age of intrusion	ANALYZED SEPARATE CONTAINED 2% IMPURITIES INCLUDING BIOTITE		
842	1	72.09	2.1	biotite	conventional K-Ar	L-952	"4.72E-04, 0.585E-04, 1.19E-04*"	7.64	8.09	87		Tilling and others (1968)	age of intrusion	+20 MESH  BIOTITE PLUS 15% CHLORITE		
842	2	71.95	2.1	biotite	conventional K-Ar	L-952	"4.72E-04, 0.585E-04, 1.19E-04*"	5.99	6.33	57		Tilling and others (1968)	age of intrusion	80-100 MESH BIOTITE PLUS 5% HORNBLENDE		
842	3	82.29	2.4	hornblende	conventional K-Ar	L-952	"4.72E-04, 0.585E-04, 1.19E-04*"	0.575	0.697	78		Tilling and others (1968)	"sample contains excess radiogenic argon, age is too old"	80-100 MESH HORNBLENDE PLUS 2% BIOTITE		
842	4	80.1	9.2	hornblende	conventional K-Ar	L-952	"4.72E-04, 0.585E-04, 1.19E-04*"	0.575	0.678	13		Tilling and others (1968)	"sample contains excess radiogenic argon, age is too old"	80-100 MESH HORNBLENDE PLUS 2% BIOTITE		
843	1	78.98	2.3	biotite	conventional K-Ar	L-1023	"4.72E-04, 0.585E-04, 1.19E-04*"	7.02	8.16	57		Tilling and others (1968)	age of intrusion	60-100 MESH BIOTITE SEPARATE PLUS 12% CHLORITE		
843	2	78.99	2.3	hornblende	conventional K-Ar	L-1023	"4.72E-04, 0.585E-04, 1.19E-04*"	0.548	0.637	56		Tilling and others (1968)	age of intrusion	60-100 MESH HORNBLENDE SEPARATE PLUS 2% BIOTITE-CHLORITE	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES.	
844	1	69.6	2	biotite	conventional K-Ar	L-1024	"4.72E-04, 0.585E-04, 1.19E-04*"	8.32	8.5	82		Tilling and others (1968)	age of intrusion	BIOTITE SEPARATE PLUS 3% CHLORITE		
844	2	70.75	2.1	hornblende	conventional K-Ar	L-1024	"4.72E-04, 0.585E-04, 1.19E-04*"	1.29	1.34	69		Tilling and others (1968)	age of intrusion	HORNBLENDE PLUS 2% BIOTITE		
845	1	74.71	2.2	biotite	conventional K-Ar	L-1025	"4.72E-04, 0.585E-04, 1.19E-04*"	8.55	9.39	78		Tilling and others (1968)	age of intrusion			
845	2	73.7	2.2	biotite	conventional K-Ar	L-1025	"4.72E-04, 0.585E-04, 1.19E-04*"	8.55	9.26	83		Tilling and others (1968)	age of intrusion			
846	1	76.84	2.3	biotite	conventional K-Ar	L-1116	"4.72E-04, 0.585E-04, 1.19E-04*"	8.3	9.38	79		Tilling and others (1968)	age of intrusion	BIOTITE CONCENTRATE WITH 18% CHLORITE AND ABOUT 5% HORNBLENDE		
846	2	76.75	2.3	hornblende	conventional K-Ar	L-1116	"4.72E-04, 0.585E-04, 1.19E-04*"	0.52	0.587	53		Tilling and others (1968)	age of intrusion	60-100 MESH SEPARATE OF 100% HORNBLENDE		
847	1	77.47	2.3	biotite	conventional K-Ar	L-1117	"4.72E-04, 0.585E-04, 1.19E-04*"	8.95	10.2	89		Tilling and others (1968)	age of intrusion	100% BIOTITE CONCENTRATE		
847	2	74.79	2.2	biotite	conventional K-Ar	L-1117	"4.72E-04, 0.585E-04, 1.19E-04*"	8.95	9.84	93		Tilling and others (1968)	age of intrusion	100% BIOTITE CONCENTRATE		
847	3	83.5	2.7	hornblende	conventional K-Ar	L-1117	"4.72E-04, 0.585E-04, 1.19E-04*"	0.625	0.769	39		Tilling and others (1968)	"sample contains excess radiogenic argon, age is too old"	100% HORNBLENDE SEPARATE		
848	1	50.38	2.2	hornblende	conventional K-Ar	L-1020	"4.72E-04, 0.585E-04, 1.19E-04*"	0.59	0.434	28			age of intrusion	100% HORNBLENDE SEPARATE		
849	1	42.1	1.2	biotite	conventional K-Ar	L-1021	"4.72E-04, 0.585E-04, 1.19E-04*"	8.35	5.12	74			minimum age of intrusion	"60-100 MESH, 100% BIOTITE SEPARATE"		
849	2	44.32	1.3	hornblende	conventional K-Ar	L-1021	"4.72E-04, 0.585E-04, 1.19E-04*"	0.743	0.48	45			maximum age of intrusion	60-100 MESH HORNBLENDE SEPARATE WITH 5% IMPURITIES		
850	1	73.41	2.2	biotite	conventional K-Ar	L-1118	"4.72E-04, 0.585E-04, 1.19E-04*"	7.62	8.22	90			age of intrusion	ANALYZED SEPARATE CONTAINS 20% CHLORITE	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES.	
850	2	74.99	2.2	biotite	conventional K-Ar	L-1118	"4.72E-04, 0.585E-04, 1.19E-04*"	7.62	8.4	74			age of intrusion	ANALYZED SEPARATE CONTAINS 20% CHLORITE	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES.	
850	3	121.16	4	hornblende	conventional K-Ar	L-1118	"4.72E-04, 0.585E-04, 1.19E-04*"	0.848	1.53	72			age not evaluated	"HORNBLENDE SEPARATE INCLUDES 2% IMPURITIES (BIOTITE, ETC.)"		
850	4	121.16	4	hornblende	conventional K-Ar	L-1118	"4.72E-04, 0.585E-04, 1.19E-04*"	0.848	1.53	78			age not evaluated	"HORNBLENDE SEPARATE  INCLUDES 2% IMPURITIES (BIOTITE, ETC.)"	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES.	
851	1	246.24	7	augite-ferroaugite	conventional K-Ar	L-1119	"4.72E-04, 0.585E-04, 1.19E-04*"	0.129	0.49	63			age not evaluated	ANALYZED SEPARATE CONTAINED 2% IMPURITIES	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES	
852	1	37.81	1.1	biotite	conventional K-Ar	L-969	"4.72E-04, 0.585E-04, 1.19E-04*"	8.89	4.89	86			age of intrusion	80-100 MESH SEPARATE OF 100% BIOTITE		THIS ANALYSIS ALSO REPORTED IN MCDOWELL AND KULP (1967)
853	1	105.12	3	hornblende	conventional K-Ar	L-958	"4.72E-04, 0.585E-04, 1.19E-04*"	1.54	2.4	87			age of intrusion	ANALYZED SEPARATE CONTAINED 2% FELDSPAR		THIS ANALYSIS ALSO REPORTED IN MCDOWELL AND KULP (1967)
854	1	111.55	3	hornblende	conventional K-Ar	L-959	"4.72E-04, 0.585E-04, 1.19E-04*"	1.34	2.22	63			age of intrusion	ANALYZED SEPARATE CONTAINED 5% IMPURITIES		THIS ANALYSIS ALSO REPORTED IN MCDOWELL AND KULP (1967)
854	2	110.09	3	hornblende	conventional K-Ar	L-959	"4.72E-04, 0.585E-04, 1.19E-04*"	1.34	2.19	61			age of intrusion	ANALYZED SEPARATE CONTAINED 5% IMPURITIES.		
855	1	111.28	3	hornblende	conventional K-Ar	L-961	"4.72E-04, 0.585E-04, 1.19E-04*"	0.829	1.37	89			age of intrusion	ANALYZED SEPARATE CONTAINED 2% IMPURITIES		THIS ANALYSIS ALSO REPORTED IN MCDOWELL AND KULP (1967)
856	1	109.35	4	hornblende	conventional K-Ar	L-960	"4.72E-04, 0.585E-04, 1.19E-04*"	1.22	1.98	38			age of intrusion	60-100 MESH ANALYZED SEPARATE CONTAINED 5% IMPURITIES		THIS ANALYSIS ALSO REPORTED IN MCDOWELL AND KULP (1967)
857	1	116.84	3	biotite	conventional K-Ar	L-962	"4.72E-04, 0.585E-04, 1.19E-04*"	6.445	11.2	91			age of intrusion	BIOTITE SEPARATE WITH 5% HORNBLENDE		THIS ANALYSIS ALSO REPORTED IN MCDOWELL AND KULP (1967)
857	2	109.4	3	hornblende	conventional K-Ar	L-962	"4.72E-04, 0.585E-04, 1.19E-04*"	1.01	1.64	90			age of intrusion	100% HORNBLENDE SEPARATE		THIS ANALYSIS ALSO REPORTED IN MCDOWELL AND KULP (1967)
858	1	113.42	3	biotite	conventional K-Ar	L-1013	"4.72E-04, 0.585E-04, 1.19E-04*"	8.9	15	90			age of intrusion	80-100 MESH ANALYZED SEPARATE CONTAINED 2% IMPURITIES		THIS ANALYSIS ALSO REPORTED IN MCDOWELL AND KULP (1967)
859	1	111.12	3	biotite	conventional K-Ar	L-1014	"4.72E-04, 0.585E-04, 1.19E-04*"	10.06	16.6	96			age of intrusion	80-100 MESH AND ANALYZED SEPARATE CONTAINED 5% IMPURITIES		THIS ANALYSIS ALSO REPORTED IN MCDOWELL AND KULP (1967)
860	1	149.59	4	biotite	conventional K-Ar	L-1040	"4.72E-04, 0.585E-04, 1.19E-04*"	7.66	17.2	85			age of intrusion	BIOTITE SEPARATE WITH 1% CHLORITE AND 5-10% HORNBLENDE		
860	2	142.94	5	hornblende	conventional K-Ar	L-1040	"4.72E-04, 0.585E-04, 1.19E-04*"	0.593	1.27	42			minimum age of intrusion	HORNBLENDE SEPARATE PLUS 2% BIOTITE		
861	1	22.3	0.7	biotite	conventional K-Ar	L-1041	"4.72E-04, 0.585E-04, 1.19E-04*"	7.83	2.53	66			age of intrusion	100% BIOTITE SEPARATE		
862	1	126.56	5	biotite	conventional K-Ar	L-1042	"4.72E-04, 0.585E-04, 1.19E-04*"	7.47	14.1	86			age of intrusion	ANALYZED SEPARATE CONTAINED 24% CHLORITE AND 10% HORNBLENDE		
863	1	60.15	1.8	biotite	conventional K-Ar	L-849	"4.72E-04, 0.585E-04, 1.19E-04*"	5.53	4.87	62			age of intrusion	ANALYZED SEPARATE CONTAINED 25% CHLORITE AND MINOR HORNBLENDE		
863	2	57.72	1.7	hornblende	conventional K-Ar	L-849	"4.72E-04, 0.585E-04, 1.19E-04*"	0.913	0.771	74			age of intrusion	ANALYZED SEPARATE CONTAINED 5% IMPURITIES	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES.	
864	1	57.14	1.7	biotite	conventional K-Ar	L-852	"4.72E-04, 0.585E-04, 1.19E-04*"	7.19	6.01	72			minimum age of intrusion	20-40 MESH ANALYZED SEPARATE CONTAINED 15% CHLORITE	"POTASSIUM DETERMINATIONS ARE 7.25, 7.10, AND 7.24% K20; AVERAGE IS LISTED AS 7.19%."	
864	2	59.48	1.7	biotite	conventional K-Ar	L-852	"4.72E-04, 0.585E-04, 1.19E-04*"	7.19	6.26	66			age of intrusion	20-40 MESH ANALYZED SEPARATE CONTAINED 15% CHLORITE	"POTASSIUM DETERMINATIONS ARE 7.25, 7.10, AND 7.24%."	
865	1	71.95	2.1	hornblende	conventional K-Ar	L-851A	"4.72E-04, 0.585E-04, 1.19E-04*"	0.669	0.707	60			age not evaluated	ANALYZED SEPARATE CONTAINED LESS THAN 1% BIOTITE BUT 5% OTHER IMPURITIES.		
866	1	52.62	2	biotite	conventional K-Ar	L-851B	"4.72E-04, 0.585E-04, 1.19E-04*"	8.17	6.28	69			age not evaluated	100% BIOTITE SEPARATE		
866	2	68.58	2.9	hornblende	conventional K-Ar	L-851B	"4.72E-04, 0.585E-04, 1.19E-04*"	0.47	0.473	29			age not evaluated	ANALYZED SEPARATE CONTAINED 2% QUARTZ-BIOTITE		
867	1	59.2	1.8	biotite	conventional K-Ar	L-1017	"4.72E-04, 0.585E-04, 1.19E-04*"	5.99	5.19	65			age not evaluated	ANALYZED SEPARATE CONTAINED 10% IMPURITIES.		
867	2	59.6	1.8	hornblende	conventional K-Ar	L-1017	"4.72E-04, 0.585E-04, 1.19E-04*"	1	0.873	63			age not evaluated	ANALYZED SEPARATE CONTAINED 5% IMPURITITES INCLUDING BIOTITE		
868	1	57.43	1.7	biotite	conventional K-Ar	L-1015	"4.72E-04, 0.585E-04, 1.19E-04*"	7.63	6.41	80			age of intrusion	100% BIOTITE SEPARATE		
869	1	59.85	1.8	hornblende	conventional K-Ar	L-1016	"4.72E-04, 0.585E-04, 1.19E-04*"	0.928	0.813	50			age of intrusion	60-100 MESH ANALYZED SEPARATE CONTAINED ABUNDANT FELDSPAR		
870	1	73.08	2.2	hornblende	conventional K-Ar	L-1052	"4.72E-04, 0.585E-04, 1.19E-04*"	0.61	0.655	65			age of intrusion	ANALYZED SEPARATE CONTAINED 2% IMPURITIES INCLUDING BIOTITE		
870	2	70.57	2.1	hornblende	conventional K-Ar	L-1052	"4.72E-04, 0.585E-04, 1.19E-04*"	0.61	0.632	57			age of intrusion	ANALYZED SEPARATE CONTAINED 2% IMPURITIES INCLUDING BIOTITE		
870	3	81.59	2.4	hornblende	conventional K-Ar	L-1052	"4.72E-04, 0.585E-04, 1.19E-04*"	0.61	0.733	44			age meaning uncertain (analysis questionable)	ANALYZED SEPARATE CONTAINED 2% IMPURITIES INCLUDING BIOTITE		
871	1	34.16	1	biotite	conventional K-Ar	L-1111	"4.72E-04, 0.585E-04, 1.19E-04*"	8.5	4.22	73			age of volcanism	100% BIOTITE CONCENTRATE		
872	1	27.24	0.8	biotite	conventional K-Ar	L-1051	"4.72E-04, 0.585E-04, 1.19E-04*"	8.96	3.54	75			age of intrusion	ANALYZED SEPARATE CONTAINED 2% IMPURITIES		
873	1	58.02	1.7	biotite	conventional K-Ar	L-946	"4.72E-04, 0.585E-04, 1.19E-04*"	8.67	7.36	81			age of intrusion	ANALYZED SEPARATE CONTAINED 5% AEGIRINE-AUGITE		
873	2	56.81	1.7	aegerine (acmite)	conventional K-Ar	L-946	"4.72E-04, 0.585E-04, 1.19E-04*"	0.42	0.349	39			age of intrusion	AEGIRINE-AUGITE CONCENTRATE PLUS 2% BIOTITE	POTASSIUM VALUE IS THE AVERAGE OF REPLICATE ANALYSES.	
874	1	36.1	1.5	biotite	conventional K-Ar	L-948	"4.72E-04, 0.585E-04, 1.19E-04*"	9.6	5.04	80			age of intrusion	ANALYZED SEPARATE CONTAINED 2% IMPURITIES.	Reported age of 49.4 Ma is inconsistent with analytical data.	
875	1	60.24	1.8	biotite	conventional K-Ar	L-1053	"4.72E-04, 0.585E-04, 1.19E-04*"	8.05	7.1	66			age of intrusion	ANALYZED SEPARATE CONTAINED 2% IMPURITIES		
876	1	51.82	1.5	biotite	conventional K-Ar	L-1112	"4.72E-04, 0.585E-04, 1.19E-04*"	8.02	6.07	54			age of intrusion	ANALYZED SEPARATE CONTAINED 2% IMPURITIES		
877	1	57.14	1.7	biotite	conventional K-Ar	L-1113	"4.72E-04, 0.585E-04, 1.19E-04*"	7.43	6.21	62			age of intrusion	60-100 MESH ANALYZED SEPARATE CONTAINED 10% IMPURITITES		
878	1	58.35	4.3	aegerine (acmite)	conventional K-Ar	L-1114	"4.72E-04, 0.585E-04, 1.19E-04*"	0.718	0.613	19			age of intrusion	"60-100 MESH, 100% AEGIRINE CONCENTRATE"		
879	1	22.28	0.7	biotite	conventional K-Ar	L-970	"4.72E-04, 0.585E-04, 1.19E-04*"	9.08	2.93	73			age of intrusion	ANALYZED SEPARATE CONTAINED 2% CHLORITE		
880	1	30.66	3	hornblende	conventional K-Ar	L-972	"4.72E-04, 0.585E-04, 1.19E-04*"	0.73	0.325	15			age of intrusion	60-100 MESH ANALYZED SEPARATE CONTAINED 5% IMPURITIES		
881	1	37.71	1.1	biotite	conventional K-Ar	L-973	"4.72E-04, 0.585E-04, 1.19E-04*"	9.68	5.31	64			minimum age of intrusion	ANALYZED SEPARATE CONTAINED 2% IMPURITIES	POTASSIUM VALUE IS AVERAGE OF 9.79 AND 9.57%	AGE MAY REFLECT INFLUENCE OF POST-HYDROTHERMAL EVENT.
882	1	37.71	1.1	biotite	conventional K-Ar	L-974	"4.72E-04, 0.585E-04, 1.19E-04*"	9.37	5.14	73			minimum age of intrusion	ANALYZED SEPARATE CONTAINED 2% IMPURITIES		AGE MAY REFLECT INFLUENCE OF POST-HYDROTHERMAL EVENT.
883	1	41.36	1.3	biotite	conventional K-Ar	L-975	"4.72E-04, 0.585E-04, 1.19E-04*"	8.75	5.27	37			age of intrusion	ANALYZED SEPARATE CONTAINED 2% IMPURITIES.		AGE MAY REFLECT THERMAL EFFECTS FROM EMPLACEMENT OF NEARBY BINGHAM-STOCK-DIKE-ORE SYSTEM.
884	1	27.28	0.8	biotite	conventional K-Ar	L-1038	"4.72E-04, 0.585E-04, 1.19E-04*"	7.43	2.94	62			age of intrusion	ANALYZED SEPARATE CONTAINED 37% CHLORITE		
896	1	1623.73		whole rock	conventional K-Ar	MBT-6	"4.72E-04, 0.585E-04, 1.19E-04*"	1.83	69.38	98					1.77 K20 DETERMINATION BY X-RAY FLUORESCENCE; OTHER VALUE OBTAINED BY GRAVIMETRIC METHOD.	"PROBABLE LOSS OF ARGON-40 BY DIFFUSION AND MINERAL RECRYSTALLIZATION, CAUSING LOWER AGE"
897	1	2384.98		whole rock	conventional K-Ar	MBT-7	"4.72E-04, 0.585E-04, 1.19E-04*"	0.138	9.86	95			age of intrusion		POTASSIUM CONTENT IS AVERAGE OF REPLICATE GRAVIMETRIC DETERMINATIONS.	
897	2	2384.98	110	whole rock	40Ar-40K isochron	MBT-7	"4.72E-04, 0.585E-04, 1.19E-04*"	0.138	9.86	95	30		age of intrusion		POTASSIUM CONTENT IS AVERAGE OF REPLICATE GRAVIMETRIC DETERMINATIONS.	
898	1	2032.41		non-mineral substance	conventional K-Ar	MBT-18	"4.72E-04, 0.585E-04, 1.19E-04*"	0.84	45.49	98			age not evaluated		POTASSIUM DETERMINED BY GRAVIMETRIC METHOD	
899	1	1629.5		whole rock	conventional K-Ar	MBT-19	"4.72E-04, 0.585E-04, 1.19E-04*"	1.28	48.79	100			age not evaluated		1.29% K20 BY X-RAY FLUORESCENCE; OTHER VALUE DETERMINED BY GRAVIMETRIC METHOD.	
900	1	1407.01		whole rock	conventional K-Ar	MBT-20	"4.72E-04, 0.585E-04, 1.19E-04*"	1.6	49.09	99					1.68% K20 BY X-RAY FLUORESCENSE; OTHER VALUE OBTAINED BY GRAVIMETRIC METHOD	PROBABLE LOSS OF ARGON-40 BY DIFFUSION AND MINERAL RECRYSTALLIZATION HAS LOWER K-AR AGE
901	1	2051.06		whole rock	conventional K-Ar	MBT-26	"4.72E-04, 0.585E-04, 1.19E-04*"	0.81	44.54	100			age not evaluated		0.83% K20 DETERMINED BY ISOTOPIC DILUTION; OTHER VALUE DETERMINED BY GRAVIMETRIC METHOD.	
902	1	1238.82		whole rock	conventional K-Ar	MBT-27	"4.72E-04, 0.585E-04, 1.19E-04*"	1.05	26.92	87			age of intrusion		POTASSIUM DETERMINED BY GRAVIMETRIC METHOD	
903	1	1241.01		whole rock	conventional K-Ar	MBT-28	"4.72E-04, 0.585E-04, 1.19E-04*"	1.17	30.07	98			age of intrusion		POTASSIUM VALUE IS AVERAGE OF REPLICATE GRAVIMETRIC ANALYSES	
904	1	1624.43		whole rock	conventional K-Ar	MBT-29	"4.72E-04, 0.585E-04, 1.19E-04*"	1.28	48.56	99			age not evaluated		POTASSIUM VALUE IS AVERAGE OF REPLICATE GRAVIMETRIC ANALYSES.	
905	1	738.3		whole rock	conventional K-Ar	MBT-30	"4.72E-04, 0.585E-04, 1.19E-04*"	0.97	12.74	96			age of intrusion		RUBIDIUM AND STRONTIUM VALUES DETERMINED BY X-RAY FLUORESENCE. 87SR/86SR DETERMINED BY UNSPIKED RUN.	
905	2	738.3	32	whole rock	40Ar-40K isochron	MBT-30	"4.72E-04, 0.585E-04, 1.19E-04*"	0.97	12.74	96	20		age of intrusion		1.01% K20 BY X-RAY FLUORESCENCE;OTHER VALUE DETERMINED BY GRAVIMETRIC METHOD.	
906	1	1698.17		whole rock	conventional K-Ar	MBT-31	"4.72E-04, 0.585E-04, 1.19E-04*"	2.02	82.02	99			age not evaluated		POTASSIUM DETERMINED BY GRAVIMETRIC METHOD.	
907	1	1473.35		whole rock	conventional K-Ar	MBT-32	"4.72E-04, 0.585E-04, 1.19E-04*"	1.17	38.38	91			maximum age of intrusion		POTASSIUM DETERMINED BY GRAVIMETRIC METHOD	
908	1	1862.83		whole rock	conventional K-Ar	MBT-33	"4.72E-04, 0.585E-04, 1.19E-04*"	1.19	55.89	99			age not evaluated		1.15% K20 BY X-RAY FLUORESENCE; OTHER VALUE OBTAINED BY GRAVIMETRIC METHOD.	
909	1	1775.05		whole rock	conventional K-Ar	MBT-34	"4.72E-04, 0.585E-04, 1.19E-04*"	0.414	18.01	98					0.348% K2O BY X-RAY FLUORESCENCE; OTHER VALUE DETERMINED BY GRAVIMETRIC METHOD.	PROBABLE LOSS OF ARGON-40 BY DIFFUSION AND MINERAL RECRYSTALLIZATION CAUSED LOWER K-AR AGE.
910	1	2045.85		whole rock	conventional K-Ar	MBT-35	"4.72E-04, 0.585E-04, 1.19E-04*"	0.61	33.4	100			age not evaluated		0.61% K20 BY X-RAY FLURESCENCE; OTHER VALUE OBTAINED BY GRAVIMETRIC METHOD.	
911	1	2293.39		whole rock	conventional K-Ar	MBT-36	"4.72E-04, 0.585E-04, 1.19E-04*"	0.332	22.12	100			age not evaluated		0.305% K20 BY X-RAY FLUORESCENCE; OTHER VALUE OBTAINED BY GRAVIMETRIC METHOD	
912	1	1436.28		whole rock	conventional K-Ar	MBT-37A	"4.72E-04, 0.585E-04, 1.19E-04*"	1.25	39.51	96			age not evaluated		1.21% K20 BY X-RAY FLUORESCENCE; OTHER VALUE OBTAINED BY GRAVIMETRIC METHOD.	
913	1	1601.28		whole rock	conventional K-Ar	MBT-38	"4.72E-04, 0.585E-04, 1.19E-04*"	1.199	44.51	96			age not evaluated		POTASSIUM VALUE IS AVERAGE OF REPLICATE GRAVIMETRIC ANALYSES	
914	1	1880.34		whole rock	conventional K-Ar	MBT-39	"4.72E-04, 0.585E-04, 1.19E-04*"	0.9	42.91	75			age not evaluated		POTASSIUM VALUE IS AVERAGE OF REPLICATE GRAVIMETRIC ANALYSES.	
915	1	1157.09		whole rock	conventional K-Ar	MBT-40	"4.72E-04, 0.585E-04, 1.19E-04*"	1.05	24.52	98			age not evaluated		POTASSIUM DETERMINED BY ISOTOPIC DILUTION	
916	1	2507.18		whole rock	conventional K-Ar	MBT-41	"4.72E-04, 0.585E-04, 1.19E-04*"	0.499	39.06	74			age of intrusion		0.50% K20 BY ISOTOPIC DILUTION; OTHER VALUE OBTAINED BY GRAVIMETRIC METHOD.	
916	2	2507.18	110	whole rock	40Ar-40K isochron	MBT-41	"4.72E-04, 0.585E-04, 1.19E-04*"	0.499	39.06	74	30		age of intrusion		0.50% K20 BY ISOTOPIC DILUTION; OTHER VALUE OBTAINED BY GRAVIMETRIC METHOD.	
917	1	2598.83		whole rock	conventional K-Ar	MBT-42	"4.72E-04, 0.585E-04, 1.19E-04*"	1.24	103.8	100			age of intrusion		POTASSIUM DETERMINED BY GRAVIMETRIC METHOD	
917	2	2598.83	110	whole rock	40Ar-40K isochron	MBT-42	"4.72E-04, 0.585E-04, 1.19E-04*"	1.24	103.8	100	30		age of intrusion		POTASSIUM DETERMINED BY GRAVIMETRIC METHOD.	
918	1	1468.64		non-mineral substance	conventional K-Ar	MBT-43A	"4.72E-04, 0.585E-04, 1.19E-04*"	0.8	26.12	94			age not evaluated		0.749% K20 BY X-RAY FLUORESCENCE; OTHER VALUE OBTAINED BY GRAVIMETRIC METHOD.	
919	1	1205.41		whole rock	conventional K-Ar	MBT-44	"4.72E-04, 0.585E-04, 1.19E-04*"	1.36	33.58	99			age not evaluated		1.36% K20 BY X-RAY FLUORESENCE; OTHER VALUE OBTAINED BY GRAVIMETRIC METHOD.	
920	1	1816.73		whole rock	conventional K-Ar	MBT-45	"4.72E-04, 0.585E-04, 1.19E-04*"	1.43	64.53	81			age not evaluated		1.35% K2O BY X-RAY FLUORESCENCE; THE OTHER VALUE OBTAINED BY GRAVIMETRIC METHOD.	
921	1	2535.34		whole rock	conventional K-Ar	MBT-48	"4.72E-04, 0.585E-04, 1.19E-04*"	0.48	38.36	97			age of intrusion		0.459% K20 BY X-RAY FLUORESCENCE; OTHER VALUE OBTAINED BY GRAVIMETRIC METHOD.	
921	2	2535.34	110	whole rock	40Ar-40K isochron	MBT-48	"4.72E-04, 0.585E-04, 1.19E-04*"	0.48	38.36	97	30		age of intrusion		0.459% BY X-RAY FLUORESCENCE; OTHER VALUE OBTAINED BY GRAVIMETRIC METHOD.	
922	1	1629.69		whole rock	conventional K-Ar	MBT-49	"4.72E-04, 0.585E-04, 1.19E-04*"	1.13	43.08	85			age not evaluated		POTASSIUM DETERMINED BY A GRAVIMETRIC METHOD.	
923	1	1091.64		whole rock	conventional K-Ar	MBT-52A	"4.72E-04, 0.585E-04, 1.19E-04*"	1.16	25.05	98			age not evaluated		POTASSIUM DETERMINED BY A GRAVIMETRIC METHOD.	
923	2	1093.13		whole rock	conventional K-Ar	MBT-52B	"4.72E-04, 0.585E-04, 1.19E-04*"	0.82	17.74	97			age not evaluated		POTASSIUM DETERMINED BY GRAVIMETRIC METHOD.	
924	1	2030		whole rock	conventional K-Ar	MBT-53	"4.72E-04, 0.585E-04, 1.19E-04"	1.09		98			age not evaluated		POTASSIUM VALUE IS AVERAGE OF REPLICATE GRAVIMETRIC ANALYSES.	
925	1	2068.58		whole rock	conventional K-Ar	MBT-54	"4.72E-04, 0.585E-04, 1.19E-04*"	0.54	30.12	98			age not evaluated		POTASSIUM VALUE IS AVERAGE OF REPLICATE GRAVIMETRIC ANALYSES.	
926	1	2541.78		whole rock	conventional K-Ar	MBT-57	"4.72E-04, 0.585E-04, 1.19E-04*"	0.44	35.33	95			age of intrusion		0.40% K20 BY X-RAY FLUORESCENCE; OTHER VALUE OBTAINED BY GRAVIMETRIC METHOD.	
926	2	2541.78	110	whole rock	40Ar-40K isochron	MBT-57	"4.72E-04, 0.585E-04, 1.19E-04*"	0.44	35.33	95	30		age of intrusion		0.40% K20 BY X-RAY FLUORESCENCE; OTHER VALUE OBTAINED BY A GRAVIMETRIC METHOD.	
934	1	991.72	40	biotite	conventional K-Ar	PUF-9B	"4.72E-04, 0.584E-04, 1.19E-04*"	7.23	137.6	89			age of intrusion		ARGON-40 VALUE CALCULATED BY COMPILER	
935	1	1035.62	40	biotite	conventional K-Ar	PUF-10B	"4.72E-04, 0.584E-04, 1.19E-04*"	6.41	129.1	93			age of intrusion		ARGON-40 VALUE CALCULATED BY COMPILER	
936	1	1031.54	40	biotite	conventional K-Ar	PUF-16B	"4.72E-04, 0.584E-04, 1.19E-04*"	8.26	165.5	80			age of intrusion		ARGON-40 VALUE WAS CALCULATED BY COMPILER	
937	1	1015.4	40	biotite	conventional K-Ar	PUF-17B	"4.72E-04, 0.584E-04, 1.19E-04*"	8.57	168.2	97			age of intrusion		ARGON-40 VALUE WAS CALCULATED BY COMPILER.	
937	2	1043.35	40	biotite	conventional K-Ar	PUF-17B	"4.72E-04, 0.584E-04, 1.19E-04*"	8.57	174.3	91			age of intrusion		ARGON-40 VALUE WAS CALCULATED BY COMPILER.	
938	1	1298.1	60	muscovite	conventional K-Ar	PUF-7M	"4.72E-04, 0.584E-04, 1.19E-04*"	10.16	278	90			age not evaluated		ARGON-40 VALUE WAS CALCULATED BY COMPILER	
938	2	1315	60	muscovite	conventional K-Ar	PUF-7M	"4.72E-04, 0.584E-04, 1.19E-04*"	10.16	283.1	99			age not evaluated		ARGON-40 VALUE WAS CALCULATED BY COMPILER.	
939	1	1478.27	60	biotite	conventional K-Ar	PUF-8B	"4.72E-04, 0.584E-04, 1.19E-04*"	7.49	246.9	99			age of intrusion		ARGON-40 VALUE WAS CALCULATED BY COMPILER	
940	1	1546.92	60	biotite	conventional K-Ar	PUF-29B	"4.72E-04, 0.584E-04, 1.19E-04*"	6.61	233	96			age of intrusion		ARGON-40 VALUE DETERMINED BY COMPILER	
941	1	993.91	40	biotite	conventional K-Ar	PUF-13B	"4.72E-04, 0.584E-04, 1.19E-04*"	8.54	163	62			age not evaluated		ARGON-40 VALUE WAS CALCULATED BY COMPILER	
942	1	1151.32	60	biotite	conventional K-Ar	PUF-14B	"4.72E-04, 0.584E-04, 1.19E-04*"	9.14	212	98			age not evaluated		ARGON-40 VALUE WAS CALCULATED BY COMPILER.	
943	1	1341.25	60	biotite	conventional K-Ar	PUF-34B	"4.72E-04, 0.584E-04, 1.19E-04*"	8.91	255.3	99			age not evaluated		ARGON-40 VALUE WAS CALCULATED BY COMPILER.	
944	1	1439.04	60	biotite	conventional K-Ar	PUF-24B	"4.72E-04, 0.584E-04, 1.19E-04*"	8.55	271	98			age of intrusion		ARGON-40 VALUE WAS CALCULATED BY COMPILER	
945	1	1398.89	60	biotite	conventional K-Ar	PUF-32B	"4.72E-04, 0.584E-04, 1.19E-04*"	8.67	263.8	99			age not evaluated		ARGON-40 VALUE WAS CALCULATED BY COMP1LER.	
946	1	1462.74	60	biotite	conventional K-Ar	PUF-35B	"4.72E-04, 0.584E-04, 1.19E-04*"	7.85	254.8	97			age of intrusion		ARGON-40 VALUE WAS CALCULATED BY COMPILER	
947	1	1207.5	60	biotite	conventional K-Ar	PUF-37B	"4.72E-04, 0.584E-04, 1.19E-04*"	9.2	227.7	98			age not evaluated		ARGON-40 VALUE WAS CALCULATED BY COMPILER.	
948	1	1222.08	60	biotite	conventional K-Ar	PUF-19B	"4.72E-04, 0.584E-04, 1.19E-04*"	9.28	233.5	96			age not evaluated		ARGON-40 VALUE WAS CALCULATED BY COMPILER.	
949	1	1228.02	60	biotite	conventional K-Ar	PUF-23B	"4.72E-04, 0.584E-04, 1.19E-04*"	8.63	218.6	99			age not evaluated		ARGON-40 VALUE WAS CALCULATED BY COMPILER.	
950	1	1064.06	40	biotite	conventional K-Ar	PUF-21B	"4.72E-04, 0.584E-04, 1.19E-04*"	7.1	148.2	99			age not evaluated	SEPARATE CONTAINED 18% CHLORITE	ARGON-40 VALUE CALCULATED BY COMPILER.	
951	1	1349.39	60	biotite	conventional K-Ar	PUF-22B	"4.72E-04, 0.584E-04, 1.19E-04*"	7.82	226	95			age not evaluated		ARGON-40 VALUE WAS CALCULATED BY COMPILER.	
952	1	1246.49	60	biotite	conventional K-Ar	PUF-26B	"4.72E-04, 0.584E-04, 1.19E-04*"	9.73	251.6	69			age not evaluated		ARGON-40 VALUE WAS CALCULATED BY COMPILER.	
953	1	1389.8	60	biotite	conventional K-Ar	PUF-18B	"4.72E-04, 0.584E-04, 1.19E-04*"	6.98	210.4	98			age not evaluated		ARGON-40 VALUE WAS CALCULATED BY COMPILER.	
954	1	1185.79	60	biotite	conventional K-Ar	PUF-30B	"4.72E-04, 0.584E-04, 1.19E-04*"	8.93	215.6	86			age not evaluated		ARGON-40 VALUE WAS CALCULATED BY COMPILER	
955	1	1.6		biotite	conventional K-Ar	KA-65	"4.72E-04, 0.585E-04, 1.19E-04"	7.96		21		Evernden and others (1957)	age of intrusion		POTASSIUM VALUE PUBLISHED AS 6.61% K; NO ANALYTICAL ERROR LISTED.	
956	1	1.5		biotite	conventional K-Ar	KA-101	"4.72E-04, 0.585E-04, 1.19E-04"	4.87		8		Evernden and others (1957)	minimum age of volcanism		POTASSIUM VALUE PUBLISHED AS 4.04% K; NO ANALYTICAL ERROR LISTED.	
957	1	32.8		biotite	conventional K-Ar	KA-145	"4.72E-04, 0.585E-04, 1.19E-04"	7.35		71			age of volcanism		POTASSIUM VALUE PUBLISHED AS 6.1% K; NO ANALYTICAL ERROR LISTED.	
958	1	15.2		biotite	conventional K-Ar	KA-161	"4.72E-04, 0.585E-04, 1.19E-04"	5.06		9			age of volcanism		POTASSIUM VALUE PUBLISHED AS 4.20% K; NO ANALYTICAL ERROR LISTED.	
959	1	33.4		biotite	conventional K-Ar	KA-175	"4.72E-04, 0.585E-04, 1.19E-04"	7.69		50			age of volcanism		POTASSIUM VALUE PUBLISHED AS 6.38% K; NO ANALYTICAL ERROR LISTED	EVERNDEN AND OTHERS (1961) REPORT AN AGE OF 32+/-1 FOR THIS SAMPLE BUT USED DECAY CONSTANT OF 0.584 E-10/YR
960	1	0.98		sanidine	conventional K-Ar	KA-305	"4.72E-04, 0.585E-04, 1.19E-04"	10.25		43			age of volcanism	SANIDINE GRAIN SIZE WAS GREATER THAN 420 MICRONS.	POTASSIUM VALUE PUBLISHED AS 8.51% K; NO ANALYTICAL ERROR LISTED	
960	2	0.98		sanidine	conventional K-Ar	KA-320	"4.72E-04, 0.585E-04, 1.19E-04"	10.35		47			age of volcanism	SANIDINE GRAIN SIZE WAS BETWEEN 250 AND 420 MICRONS	POTASSIUM VALUE PUBLISHED AS 8.59% K; NO ANAYLYTICAL ERROR LISTED	
960	3	0.91		sanidine	conventional K-Ar	KA-321	"4.72E-04, 0.585E-04, 1.19E-04"	10.75		47			age of volcanism	SANIDINE GRAIN SIZE WAS BETWEEN 250 AND 150 MICRONS	POTASSIUM VALUE WAS PUBLISHED AS 8.92% K; NO ANALYTICAL ERROR LISTED	
960	4	0.92		sanidine	conventional K-Ar	KA-328	"4.72E-04, 0.585E-04, 1.19E-04"	10.42		28			age of volcanism	SANIDINE GRAIN SIZE WAS BETWEEN 105 AND 150 MICRONS	POTASSIUM VALUE PUBLISHED AS 8.65% K; NO ANALYTICAL ERROR LISTED	
961	1	11.2		biotite	conventional K-Ar	KA-414	"4.72E-04, 0.585E-04, 1.19E-04"	7.67		48			age of volcanism		POTASSIUM VALUE PUBLISHED AS 6.37% K; NO ANALYTICAL ERROR LISTED.	
962	1	15.1		biotite	conventional K-Ar	KA-449	"4.72E-04, 0.585E-04, 1.19E-04"	5.82		59			age of volcanism		POTASSIUM VALUE PUBLISHED AS 4.83% K; NO ANALYTICAL ERROR LISTED.	
963	1	2.2		biotite	conventional K-Ar	KA-451	"4.72E-04, 0.585E-04, 1.19E-04"	3.87		4			minimum age of volcanism		POTASSIUM VALUE PUBLISHED AS 3.21% K; NO ANALYTICAL ERROR LISTED	
964	1	10		biotite	conventional K-Ar	KA-453	"4.72E-04, 0.585E-04, 1.19E-04"	7.9		29			age of volcanism		POTASSIUM VALUE PUBLISHED AS 6.56% K; NO ANALYTICAL ERROR LISTED	
965	1	17.1		biotite	conventional K-Ar	KA-478	"4.72E-04, 0.585E-04, 1.19E-04"	6.24		66			age of volcanism		POTASSIUM VALUE PUBLISHED AS 5.18% K; NO ANALYTICAL ERROR LISTED	
966	1	11.1		biotite	conventional K-Ar	KA-480	"4.72E-04, 0.585E-04, 1.19E-04"	5.59		64			age of volcanism		POTASSIUM VALUE PUBLISHED AS 4.64% K; NO ANALYTICAL ERROR LISTED	
967	1	21.3		biotite	conventional K-Ar	KA-481	"4.72E-04, 0.585E-04, 1.19E-04"	6.25		16			age of volcanism		POTASSIUM VALUE PUBLISHED AS 5.19% K; NO ANALYTICAL ERROR LISTED	
968	1	10.5		biotite	conventional K-Ar	KA-482	"4.72E-04, 0.585E-04, 1.19E-04"	8.14		11			minimum age of volcanism		POTASSIUM VALUE PUBLISHED AS 6.76% K; NO ANALYTICAL ERROR LISTED	
968	2	11.2		biotite	conventional K-Ar	KA-482II	"4.72E-04, 0.585E-04, 1.19E-04"	8.14		10			age of volcanism		CONVERTED FROM 6.76% K; NO ANALYTICAL ERROR LISTED	
969	1	33		sanidine	conventional K-Ar	KA-483	"4.72E-04, 0.585E-04, 1.19E-04"	5.7		79			age of volcanism		POTASSIUM VALUE PUBLISHED AS 4.73% K; NO ANALYTICAL ERROR LISTED	
970	1	9.3		biotite	conventional K-Ar	KA-485	"4.72E-04, 0.585E-04, 1.19E-04"	5.38		36			age of volcanism		GIVEN AS 4.47% K; NO ANALYTICAL ERROR GIVEN	
971	1	31.1		sanidine	conventional K-Ar	KA-489	"4.72E-04, 0.585E-04, 1.19E-04"	6.88		46			age of volcanism		GIVEN AS 5.71% K; NO ANALYTICAL ERROR LISTED	
972	1	1.9		biotite	conventional K-Ar	KA-490	"4.72E-04, 0.585E-04, 1.19E-04"	8.94		25			age of volcanism		GIVEN AS 7.42% K; NO ANALYTICAL ERROR LISTED	
973	1	11.4		biotite	conventional K-Ar	KA-499	"4.72E-04, 0.585E-04, 1.19E-04"	7.37		69			age of volcanism		GIVEN AS 6.12% K; NO ANALYTICAL ERROR LISTED	
974	1	10.6		glass	conventional K-Ar	KA-500	"4.72E-04, 0.585E-04, 1.19E-04"	6.47		33			minimum age of volcanism		GIVEN AS 5.37% K; NO ERROR GIVEN	
975	1	10.8		biotite	conventional K-Ar	KA-551	"4.72E-04, 0.585E-04, 1.19E-04"	7.88		64			age of volcanism		POTASSIUM VALUE PUBLISHED AS 7.88% K; NO ANALYTICAL ERROR GIVEN	
976	1	11		biotite	conventional K-Ar	KA-552	"4.72E-04, 0.585E-04, 1.19E-04"	8.01		9			age of volcanism		POTASSIUM VALUE PUBLISHED AS 6.65% K; NO ANALYTICAL ERROR GIVEN	
977	1	8.9		sanidine	conventional K-Ar	KA-559	"4.72E-04, 0.585E-04, 1.19E-04"	8.79		34			age of volcanism		POTASSIUM VALUE PUBLISHED AS 7.30% K; NO ANALYTICAL ERROR GIVEN	
978	1	11.5		sanidine	conventional K-Ar	KA-577	"4.72E-04, 0.585E-04, 1.19E-04"	7.16		67			age of volcanism		POTASSIUM VALUE PUBLISHED AS 5.94% K; NO ANALYTICAL ERROR GIVEN	
979	1	3.3		plagioclase	conventional K-Ar	KA-587	"4.72E-04, 0.585E-04, 1.19E-04"	3.9		9			age of volcanism		POTASSIUM VALUE PUBLISHED AS 3.24% K; NO ANALYTICAL ERROR GIVEN	
980	1	21.6		adularia	conventional K-Ar	KA-646	"4.72E-04, 0.585E-04, 1.19E-04"	14.2		69			minimum age of volcanism	"AUTHIGENIC ADULARIA, POST-DEPOSITIONAL"	POTASSIUM VALUE PPUBLISHED AS 11.8% K; NO ANALYTICAL ERROR GIVEN	AGE INDICATES TIME OF FORMATION FOR THE ADULARIA
981	1	23.3		sanidine	conventional K-Ar	KA-647A	"4.72E-04, 0.585E-04, 1.19E-04"	6.85		56			age of volcanism		POTASSIUM VALUE PUBLISHED AS 5.69% K; NO ANALYTICAL ERROR GIVEN	
982	1	25.3		glass	conventional K-Ar	KA-648	"4.72E-04, 0.585E-04, 1.19E-04"	5.43		42			age of volcanism	ONLY INTERIOR FRAGMENTS OF LAPILLI USED IN ANALYSIS	POTASSIUM VALUE PUBLISHED AS 4.51% K; NO ANALYTICAL ERROR GIVEN	
983	1	24.9		albite	conventional K-Ar	KA-649A	"4.72E-04, 0.585E-04, 1.19E-04"	1.72		30			age of volcanism		POTASSIUM VALUE PUBLISHED AS 1.43% K; NO ANALYTICAL ERROR GIVEN	
984	1	9.8		whole rock	conventional K-Ar	KA-814	"4.72E-04, 0.585E-04, 1.19E-04"	1.48		9			minimum age of intrusion		POTASSIUM VALUE PUBLISHED AS 1.23% K; NO ANALYTICAL ERROR GIVEN	
985	1	9.8		whole rock	conventional K-Ar	KA-816	"4.72E-04, 0.585E-04, 1.19E-04"	1.45		14			age of volcanism		POTASSIUM VALUE PUBLISHED AS 1.45% K; NO ANALYTICAL ERROR GIVEN	
986	1	37.5		whole rock	conventional K-Ar	KA-818	"4.72E-04, 0.585E-04, 1.19E-04"	1.171		46			age of volcanism		POTASSIUM VALUE PUBLISHED AS 0.972% K; NO ANALYTICAL ERROR GIVEN	
987	1	37.4		sanidine	conventional K-Ar	KA-825	"4.72E-04, 0.585E-04, 1.19E-04"	9.79		46			age of volcanism		POTASSIUM VALUE PUBLISHED AS 8.13% K; NO ANALYTICAL ERROR GIVEN	
987	2	37.5		biotite	conventional K-Ar	KA-826	"4.72E-04, 0.585E-04, 1.19E-04"	6.67		26			age of volcanism		GIVEN AS 5.54% K; NO ANALYTICAL ERROR GIVEN	
987	3	36		glass	conventional K-Ar	KA-827	"4.72E-04, 0.585E-04, 1.19E-04"	5.76		81			minimum age of volcanism		GIVEN AS 4.78% K; NO ANALYTICAL ERROR GIVEN	
988	1	10		glass	conventional K-Ar	KA-830	"4.72E-04, 0.585E-04, 1.19E-04"	5.69		48			age of volcanism	GLASS IN THE FORM OF COARSE ASH	POTASSIUM VALUE PUBLISHED AS 4.72% K; NO ANALYTICAL ERROR GIVEN	
989	1	3.3		glass	conventional K-Ar	KA-831	"4.72E-04, 0.585E-04, 1.19E-04"	4.6		23			minimum age of volcanism	HYDRATED AND NON-HYDRATED GLASS IN THE FORM OF ASH	POTASSIUM VALUE PUBLISHED AS 3.82% K; NO ANALYTICAL ERROR GIVEN	
990	1	3.2		glass	conventional K-Ar	KA-832	"4.72E-04, 0.585E-04, 1.19E-04"	3.85		19			minimum age of volcanism	HYDRATED AND NON-HYDRATED GLASS IN THE FORM OF ASH	POTASSIUM VALUE PUBLISHED AS 3.20% K; NO ANALYTICAL ERROR GIVEN	
991	1	31.5		whole rock	conventional K-Ar	KA-845	"4.72E-04, 0.585E-04, 1.19E-04"	1.45		45			age of volcanism		POTASSIUM VALUE PUBLISHED AS 1.20% K; NO ANALYTICAL ERROR GIVEN	
992	1	14.7		glass	conventional K-Ar	KA-891	"4.72E-04, 0.585E-04, 1.19E-04"	5.76		42			age of volcanism	GLASS IN THE FORM OF ASH SHARDS	POTASSIUM VALUE PUBLISHED AS 4.78% K; NO ANALTICAL ERROR GIVEN	
993	1	58.7		whole rock	conventional K-Ar	KA-978	"4.72E-04, 0.585E-04, 1.19E-04"	4.47		97					POTASSIUM VALUE PUBLISHED AS 3.71% K; NO ANALYTICAL ERROR GIVEN	"AGE IS APPARENTLY TOO YOUNG, SHOULD BE ABOUT 65 M.Y."
994	1	46		glass	conventional K-Ar	KA-979	"4.72E-04, 0.585E-04, 1.19E-04"	5.96		90					POTASSIUM VALUE PUBLISHED AS 4.95% K; NO ANALYTICAL ERROR GIVEN	AGE IS MUCH TOO OLD; SAMPLE CONTAMINATED
995	1	29.5		glass	conventional K-Ar	KA-981	"4.72E-04, 0.585E-04, 1.19E-04"	6.07		64			maximum age of volcanism		POTASSIUM VALUE PUBLISHED AS 5.04% K; NO ANALYTICAL ERROR GIVEN	SAMPLE MAY HAVE BEEN CONTAMINATED WITH OLDER MATERIAL
996	1	25.6		glass	conventional K-Ar	KA-985	"4.72E-04, 0.585E-04, 1.19E-04"	3.2		34			age of volcanism	GLASS ASH	POTASSIUM VALUE PUBLISHED AS 2.66% K; NO ANALYTICAL ERROR GIVEN	
997	1	64.8		plagioclase	conventional K-Ar	KA-992	"4.72E-04, 0.585E-04, 1.19E-04"	7.26		61			age of volcanism		POTASSIUM VALUE PUBLISHED AS 6.03% K (THIS APPEARS TOO LARGE A VALUE FOR PLAGIOCLASE); NO ANALYTICAL ERROR GIVEN	
998	1	9.89		plagioclase	conventional K-Ar	KA-829	"4.72E-04, 0.585E-04, 1.19E-04"	0.336		17			age of volcanism		POTASSIUM VALUE PUBLISHED AS 0.279% K; NO ANALYTICAL ERROR GIVEN	
999	1	11.7		whole rock	conventional K-Ar	KA-993	"4.72E-04, 0.585E-04, 1.19E-04"	0.749		30			age of volcanism		POTASSIUM VALUE PUBLISHED AS 0.622% K; NO ANALYTICAL ERROR GIVEN	
1000	1	29.7		K feldspar	conventional K-Ar	KA-1000	"4.72E-04, 0.585E-04, 1.19E-04"	5.55		95			age of volcanism		POTASSIUM VALUE PUBLISHED AS 4.61% K; NO ANALYTICAL ERROR GIVEN	
1001	1	11.4		whole rock	conventional K-Ar	KA-1001	"4.72E-04, 0.585E-04, 1.19E-04"	0.496		14			age of volcanism		POTASSIUM VALUE PUBLISHED AS 0.412% K; NO ANALYTICAL ERROR GIVEN	
1002	1	7.7		whole rock	conventional K-Ar	KA-1003	"4.72E-04, 0.585E-04, 1.19E-04"	0.439		12			minimum age of volcanism		POTASSIUM VALUE PUBLISHED AS 0.364% K; NO ANALYTICAL ERROR GIVEN	
1003	1	5.2		K feldspar	conventional K-Ar	KA-1005	"4.72E-04, 0.585E-04, 1.19E-04"	10.08		43			age of volcanism		POTASSIUM VALUE PUBLISHED AS 8.37% K; NO ANALYTICAL ERROR GIVEN	
1004	1	36.8		K feldspar	conventional K-Ar	KA-1010	"4.72E-04, 0.585E-04, 1.19E-04"	6.06		96			age of volcanism		POTASSIUM VALUE PUBLISHED AS 5.03% K; NO ANALYTICAL ERROR GIVEN	
1005	1	15.6		sanidine	conventional K-Ar	KA-1017	"4.72E-04, 0.585E-04, 1.19E-04"	5.69		90			age of volcanism		POTASSIUM VALUE PUBLISHED AS 4.72% K; NO ANALYTICAL ERROR GIVEN	
1006	1	2		biotite	conventional K-Ar	KA-1026	"4.72E-04, 0.585E-04, 1.19E-04"	7.23		24			age of volcanism		POTASSIUM VALUE PUBLISHED AS 6.00% K; NO ANALYTICAL ERROR GIVEN	
1007	1	4.1		whole rock	conventional K-Ar	KA-1027	"4.72E-04, 0.585E-04, 1.19E-04"	1.71		12			minimum age of volcanism		POTASSIUM VALUE PUBLISHED AS 1.42% K; NO ANALYTICAL ERROR GIVEN	
1008	1	15.1		sanidine	conventional K-Ar	KA-1029	"4.72E-04, 0.585E-04, 1.19E-04"	4.76		91			age of volcanism		POTASSIUM VALUE PUBLISHED AS 3.95% K; NO ANALYTICAL ERROR GIVEN	
1009	1	14.5		whole rock	conventional K-Ar	KA-1165	"4.72E-04, 0.585E-04, 1.19E-04"	1.643		40			age of volcanism		POTASSIUM VALUE PUBLISHED AS 1.364% K; NO ANALYTICAL ERROR GIVEN	
1010	1	3.48		whole rock	conventional K-Ar	KA-1173	"4.72E-04, 0.585E-04, 1.19E-04"	0.279		8			minimum age of volcanism	CRUSHED BASALT SIZED TO -60 +100 MESH AND THEN LEACHED WITH 5% HF FOR 20 MINUTES TO REMOVE DEVITRIFIED AND ALTERED GROUNDMASS	POTASSIUM VALUE PUBLISHED AS 0.232% K; NO ANALYTICAL ERROR GIVEN	
1011	1	1.36		whole rock	conventional K-Ar	KA-1188	"4.72E-04, 0.585E-04, 1.19E-04"	0.75		44			age of volcanism		POTASSIUM VALUE PUBLISHED AS 0.62% K; NO ANALYTICAL ERROR GIVEN	
1012	1	15.4		whole rock	conventional K-Ar	KA-1203	"4.72E-04, 0.585E-04, 1.19E-04"	0.778		8			age of volcanism		POTASSIUM VALUE PUBLISHED AS 0.646% K; NO ANALYTICAL ERROR GIVEN	
1013	1	6.4		sanidine	conventional K-Ar	KA-1206	"4.72E-04, 0.585E-04, 1.19E-04"	4.643		84			age of volcanism		POTASSIUM VALUE PUBLISHED AS 3.854% K; NO ANALYTICAL ERROR GIVEN	
1014	1	8.9		sanidine	conventional K-Ar	KA-1225	"4.72E-04, 0.585E-04, 1.19E-04"	6.992		98			age of volcanism		POTASSIUM VALUE PUBLISHED AS 5.804% K; NO ANALYTICAL ERROR GIVEN	
1015	1	14.7		plagioclase	conventional K-Ar	KA-1251	"4.72E-04, 0.585E-04, 1.19E-04"	0.367		58			age of volcanism		POTASSIUM VALUE PUBLISHED AS 0.305% K; NO ANALYTICAL ERROR GIVEN	
1016	1	8.1		plagioclase	conventional K-Ar	KA-1262	"4.72E-04, 0.585E-04, 1.19E-04"	0.401		14			age of volcanism		POTASSIUM VALUE PUBLISHED AS 0.333% K; NO ANALYTICAL ERROR GIVEN.	
1017	1	42.7		plagioclase	conventional K-Ar	KA-1274	"4.72E-04, 0.585E-04, 1.19E-04"	1.706		86			age of volcanism		POTASSIUM VALUE PUBLISHED AS 1.416% K; NO ANALYTICAL ERROR GIVEN.	
1018	1	10.7		sanidine	conventional K-Ar	KA-1275	"4.72E-04, 0.585E-04, 1.19E-04"	5.378		31			age of volcanism		POTASSIUM VALUE PUBLISHED AS 4.464% K; NO ANALYTICAL ERROR GIVEN.	
1019	1	11		sanidine	conventional K-Ar	KA-1365	"4.72E-04, 0.585E-04, 1.19E-04"	5.473		94			age of volcanism		POTASSIUM VALUE PUBLISHED AS 4.543% K; NO ANALYTICAL ERROR GIVEN.	
1020	1	12.3		biotite	conventional K-Ar	KA-1368	"4.72E-04, 0.585E-04, 1.19E-04"	3.86		30			age of volcanism		POTASSIUM VALUE PUBLISHED AS 3.204% K; NO ANALYTICAL ERROR GIVEN.	
1020	2	11.5		plagioclase	conventional K-Ar	KA-1372	"4.72E-04, 0.585E-04, 1.19E-04"	0.432		64			age of volcanism		POTASSIUM VALUE PUBLISHED AS 0.359% K;  NO ANALYTICAL ERROR GIVEN.	
1021	1	15.4		sanidine	conventional K-Ar	KA-1380	"4.72E-04, 0.585E-04, 1.19E-04"	10.343		97			age of volcanism		POTASSIUM VALUE PUBLISHED AS 8.586% K; NO ANALYTICAL ERROR GIVEN	
1022	1	10.7		biotite	conventional K-Ar	KA-452	"4.72E-04, 0.585E-04, 1.19E-04"	8.49		36			age of volcanism		POTASSIUM VALUE PUBLISHED AS 7.05% K; NO ANALYTICAL ERROR GIVEN	
1023	1	36.5		andesine	conventional K-Ar	KA-824A	"4.72E-04, 0.585E-04, 1.19E-04"	5.53		86			age of volcanism		POTASSIUM VALUE PUBLISHED AS 4.59% K; NO ANALYTICAL ERROR GIVEN	
1030	1	2431.3	49	muscovite	conventional K-Ar	KD-5	"4.72E-04, 0.584E-04, 1.19E-04*"	10.47	774.6	99			age of intrusion	VERY COARSE MUSCOVITE	POTASSIUM VALUE IS CONVERTED AVERAGE OF 8.61% AND 8.77%; ARGON VALUE IS CONVERTED FROM 0.001736 CC STP	
1030	2	2527.96	51	muscovite	conventional K-Ar	KD-5	"4.72E-04, 0.584E-04, 1.19E-04*"	10.47	832.2	98			age of intrusion	VERY COARSE MUSCOVITE	POTASSIUM VALUE IS CONVERTED AVERAGE OF 8.61% AND 8.77% K; ARGON VALUE IS CONVERTED FROM 0.001865 CC STP	
1031	1	1352.66	27	hornblende	conventional K-Ar	L9	"4.72E-04, 0.584E-04, 1.19E-04*"	1.54	44.66	98			age of intrusion	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED AVERAGE OF 1.28% AND 1.28% K; ARGON VALUE IS CONVERTED FROM 0.0001001 CC	
1032	1	1378.71	28	biotite	conventional K-Ar	L10A	"4.72E-04, 0.584E-04, 1.19E-04*"	6.98	208	97			initial age disturbed by later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM 5.79% K; ARGON VALUE IS CONVERTED FROM 0.000466 CC	
1033	1	1656.96	32	hornblende	conventional K-Ar	L11	"4.72E-04, 0.584E-04, 1.19E-04*"	0.289	11.3	84			age of later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED AVERAGE OF 0.243% AND 0.236% K; ARGON VALUE IS CONVERTED FROM 0.0000253 CC	
1033	2	1656.96	32	hornblende	conventional K-Ar	L11	"4.72E-04, 0.584E-04, 1.19E-04*"	0.289	11.3	74			age of later metamorphism	-40 +60 MESH	POTASSIUM VALUE IS CONVERTED FROM AVERAGE OF 0.243% AND 0.236% K; ARGON VALUE IS CONVERTED FROM 0.0000253 CC STP	
1035	1	1515.04	30	biotite	conventional K-Ar	L13	"4.72E-04, 0.584E-04, 1.19E-04*"	8.69	297	95			initial age disturbed by later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED AVERAGE OF 7.19% AND 7.24% K; ARGON VALUE IS CONVERTED FROM 0.000666 CC	
1039	1	1563.35	31	biotite	conventional K-Ar	L27	"4.72E-04, 0.584E-04, 1.19E-04*"	6.73	241	97			initial age disturbed by later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS THE CONVERTED AVERAGE OF 5.62% AND 5.55% K; ARGON VALUE IS CONVERTED FROM 0.000541 CC	
1041	1	1514.19	30	biotite	conventional K-Ar	L29	"4.72E-04, 0.584E-04, 1.19E-04*"	2.28	77.86	96			initial age disturbed by later metamorphism	MOSTLY CHLORITE IN -40 +60 MESH ANALYTICAL MATERIAL	POTASSIUM VALUE IS CONVERTED AVERAGE OF 1.91% AND 1.88% K; ARGON VALUE IS CONVERTED FROM 0.0001745 CC	
1042	1	1440.68	29	biotite	conventional K-Ar	L32	"4.72E-04, 0.584E-04, 1.19E-04*"	6.52	207	96			initial age disturbed by later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGE OF 5.40% AND 5.43% K; ARGON VALUE IS CONVERTED FROM 0.000464 CC	
1042	2	1654.32	33	muscovite	conventional K-Ar	L32	"4.72E-04, 0.584E-04, 1.19E-04*"	10.05	392	98			initial age disturbed by later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED AVERAGE OF 8.30% AND 8.39% K; ARGON VALUE IS CONVERTED FROM 0.000879 CC STP	
1043	1	1370.18	27	biotite	conventional K-Ar	L16	"4.72E-04, 0.584E-04, 1.19E-04*"	1.79	52.87	87			initial age disturbed by later metamorphism	MOSTLY CHLORITE IN THE -40 +60 MESH ANALYZED MATERIAL	POTASSIUM VALUE IS CONVERTED AVERAGE OF 1.49% AND 1.49% K; ARGON VALUE IS CONVERTED FROM 0.0001185 CC	
1044	1	1402.55	28	biotite	conventional K-Ar	L18A	"4.72E-04, 0.584E-04, 1.19E-04*"	7.76	237	97			minimum age of intrusion	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED AVERAGE OF 6.48% AND 6.41% K; ARGON VALUE IS CONVERTED FROM 0.000531 CC	
1044	2	1401	28	biotite	conventional K-Ar	L18A	"4.72E-04, 0.584E-04, 1.19E-04*"	7.87	240	97			minimum age of intrusion	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED AVERAGE OF 6.48% AND 6.41% K; ARGON VALUE IS CONVERTED FROM 0.000537 CC STP	
1044	3	1519	30	hornblende	conventional K-Ar	L18A	"4.72E-04, 0.584E-04, 1.19E-04"		27.2				maximum age of intrusion	-40 +60 MESH MATERIAL	"POTASSIUM VALUE IS CONVERTED AVERAGE OF 0.655%, 0.646%, AND 0.660% K; ARGON VALUE IS CONVERTED FROM 0.0000609 CC STP"	
1044	4	1503.66	30	hornblende	conventional K-Ar	L18A	"4.72E-04, 0.584E-04, 1.19E-04*"	0.787	26.6	96			maximum age of intrusion	-40 +60 MESH MATERIAL	"POTASSIUM VALUE IS CONVERTED AVERAGE OF 0.655%, 0.646%, AND 0.660% K; ARGON VALUE IS CONVERTED FROM 0.0000596 CC STP"	
1045	1	1369.03	27	biotite	conventional K-Ar	L19	"4.72E-04, 0.584E-04, 1.19E-04*"	9.22	272	97			initial age disturbed by later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED AVERAGE OF 7.69% AND 7.61% K; ARGON VALUE IS CONVERTED FROM 0.000609 CC	
1046	1	1819.57	36	hornblende	conventional K-Ar	L23	"4.72E-04, 0.584E-04, 1.19E-04*"	0.294	13.3	93			initial age disturbed by later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED AVERAGE OF 0.246% AND 0.242% K; ARGON VALUE IS CONVERTED FROM 0.0000299 CC	
1046	2	1819.57	36	hornblende	conventional K-Ar	L23	"4.72E-04, 0.584E-04, 1.19E-04*"	0.294	13.3	69			initial age disturbed by later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED AVERAGE OF 0.246% AND 0.242% K; ARGON VALUE IS CONVERTED FROM 0.0000299 CC STP	
1047	1	1766.71	35	hornblende	conventional K-Ar	L25	"4.72E-04, 0.584E-04, 1.19E-04*"	0.396	17.1	91			initial age disturbed by later metamorphism	-40 +60 MESH MATERIAL	"POTASSIUM VALUE IS CONVERTED AVERAGE OF 0.330%, 0.329% AND 0.327% K; ARGON VALUE IS CONVERTED FROM 0.0000384 CC"	
1047	2	1773.29	35	hornblende	conventional K-Ar	L25	"4.72E-04, 0.584E-04, 1.19E-04*"	0.396	17.2	91			initial age disturbed by later metamorphism	-40 +60 MESH MATERIAL	"POTASSIUM VALUE IS CONVERTED AVERAGE OF 0.330%, 0.329%, AND 0.327% K; ARGON VALUE IS CONVERTED FROM 0.0000386 CC STP"	
1048	1	1479.51	29	biotite	conventional K-Ar	L30	"4.72E-04, 0.584E-04, 1.19E-04*"	0.709	23.4	78			initial age disturbed by later metamorphism	MAINLY CHLORITE IN -40 +60 MESH ANALYZED MATERIAL	POTASSIUM VALUE IS CONVERTED AVERAGE OF 0.589% AND 0.588 K; ARGON VALUE IS CONVERTED FROM 0.0000524 CC	
1048	2	1440.25	29	biotite	conventional K-Ar	L30	"4.72E-04, 0.584E-04, 1.19E-04*"	0.709	22.5	86			initial age disturbed by later metamorphism	MAINLY CHLORITE IN -40 +60 MESH ANALYZED MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGE OF 0.589% AND 0.588% K; ARGON VALUE IS CONVERTED FROM 0.0000504 CC STP	
1049	1	1824.45	36	biotite	conventional K-Ar	L33	"4.72E-04, 0.584E-04, 1.19E-04*"	7.66	348	99			initial age disturbed by later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 6.35% AND 6.37% K; ARGON VALUE IS CONVERTED FROM 0.000779 CC	
1049	2	1804.55	36	biotite	conventional K-Ar	L33	"4.72E-04, 0.584E-04, 1.19E-04*"	7.66	342	92			initial age disturbed by later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 6.35% AND 6.37% K; ARGON VALUE IS CONVERTED FROM 0.000766 CC STP	
1050	1	2228.64	45	biotite	conventional K-Ar	L36	"4.72E-04, 0.584E-04, 1.19E-04*"	6.96	441	98			initial age disturbed by later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 5.84% AND 5.72% K; ARGON VALUE IS CONVERTED FROM 0.000989 CC	
1051	1	1266.2	25	biotite	conventional K-Ar	L37	"4.72E-04, 0.584E-04, 1.19E-04*"	6.13	162	95			initial age disturbed by later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 5.06% AND 5.12% K; ARGON VALUE IS CONVERTED FROM 0.000362 CC	
1052	1	1346.26	27	biotite	conventional K-Ar	L39	"4.72E-04, 0.584E-04, 1.19E-04*"	6.11	176	97			initial age disturbed by later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUUE IS CONVERTED FROM AVERAGED 5.05% AND 5.09% K; ARGON VALUE IS CONVERTED FROM 0.000394 CC	
1053	1	1374.71	27	biotite	conventional K-Ar	L62	"4.72E-04, 0.584E-04, 1.19E-04*"	8.02	238	97			age of intrusion	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 6.64% AND 6.67% K; ARGON VALUE IS CONVERTED FROM 0.000534 CC	
1054	1	1324.39	26	biotite	conventional K-Ar	L63	"4.72E-04, 0.584E-04, 1.19E-04*"	7.71	217	98			age of intrusion	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 6.41% AND 6.39% K; ARGON VALUE IS CONVERTED FROM 0.000486 CC	
1054	2	1388.11	28	biotite	conventional K-Ar	L63	"4.72E-04, 0.584E-04, 1.19E-04*"	7.71	232	90			age of intrusion	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 6.41% AND 6.39% K; ARGON VALUE IS CONVERTED FROM 0.000520 CC STP	
1055	1	926.93	18	biotite	conventional K-Ar	L64	"4.72E-04, 0.584E-04, 1.19E-04*"	0.986	17.2	76			age not evaluated	MAINLY CHLORITE IN THE -40 +60 MESH ANALYZED MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 0.825% AND 0.812% K; ARGON VALUE IS CONVERTED FROM 0.0000385 CC STP	
1055	2	926.93	18	biotite	conventional K-Ar	L64	"4.72E-04, 0.584E-04, 1.19E-04*"	0.986	17.2	74			age not evaluated	MAINLY CHLORITE IN -40 TO +60 MESH ANALYZED MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 0.825% AND 0.812% K; ARGON VALUE IS CONVERTED FROM 0.0000386 CC STP	
1056	1	1747.47	35	hornblende	conventional K-Ar	L73	"4.72E-04, 0.584E-04, 1.19E-04*"	1.013	43	93			age of later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 0.844% AND 0.838% K; ARGON VALUE IS CONVERTED FROM 0.0000964 CC	
1056	2	1757.85	35	hornblende	conventional K-Ar	L73	"4.72E-04, 0.584E-04, 1.19E-04*"	1.013	43.4	96			age of later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FORM AVERAGED 0.844% AND 0.838% K; ARGON VALUE IS CONVERTED FROM 0.0000973 CC STP	
1056	3	1755.26	35	hornblende	conventional K-Ar	L73	"4.72E-04, 0.584E-04, 1.19E-04*"	1.013	43.3	92			age of later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 0.844% AND 0.838% K; ARGON VALUE IS CONVERTED FROM 0.0000971 CC STP	
1057	1	1716.76	34	hornblende	conventional K-Ar	L74	"4.72E-04, 0.584E-04, 1.19E-04*"	0.402	16.6	90			age of later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 0.328% AND 0.339% K; ARGON VALUE IS CONVERTED FROM 0.0000372 CC	
1057	2	1703.37	34	hornblende	conventional K-Ar	L74	"4.72E-04, 0.584E-04, 1.19E-04*"	0.402	16.4	75			age of later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 0.328% AND 0.339% K; ARGON VALUE IS CONVERTED FROM 0.0000367 CC STP	
1058	1	1742.99	35	hornblende	conventional K-Ar	L75	"4.72E-04, 0.584E-04, 1.19E-04*"	0.395	16.7	88			age of later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 0.328% AND 0.327% K; ARGON VALUE IS CONVERTED FROM 0.0000374 CC	
1058	2	1762.95	35	hornblende	conventional K-Ar	L75	"4.72E-04, 0.584E-04, 1.19E-04*"	0.395	17	95			age of later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 0.328% AND 0.327% K; ARGON VALUE IS CONVERTED FROM 0.0000380 CC STP	
1059	1	1706.42	34	hornblende	conventional K-Ar	L76	"4.72E-04, 0.584E-04, 1.19E-04*"	0.396	16.2	94			age of later metamorphism	-40 +60 MESH MATERIAL	"POTASSIUM VALUE IS CONVERTED FROM 0.333%, 0.325%, AND 0.328% K; ARGON VALUE IS CONVERTED FROM 0.0000362 CC"	
1059	2	1685.87	34	hornblende	conventional K-Ar	L76	"4.72E-04, 0.584E-04, 1.19E-04*"	0.396	15.9	71			age of later metamorphism	-40 +60 MESH MATERIAL	"POTASSIUM VALUE IS CONVERTED FROM AVERAGED 0.333%, 0.325%, AND 0.328% K; ARGON VALUE IS CONVERTED FROM 0.0000357 CC STP"	
1060	1	1358.31	27	hornblende	conventional K-Ar	L80	"4.72E-04, 0.584E-04, 1.19E-04*"	1.45	42.3	98			age of intrusion	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGE OF 1.21% AND 1.19% K; ARGON VALUE IS CONVERTED FROM 0.0000948 CC	
1061	1	1353.25	27	biotite	conventional K-Ar	L82	"4.72E-04, 0.584E-04, 1.19E-04*"	6.72	195	98			age of intrusion	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 5.55% AND 5.61% K; ARGON VALUE IS CONVERTED FROM 0.000436 CC	
1062	1	1374.89	27	hornblende	conventional K-Ar	L82	"4.72E-04, 0.584E-04, 1.19E-04*"	1.57	46.6	97			age of intrusion	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 1.30% AND 1.31% K; ARGON VALUE IS CONVERTED FROM 0.0001045 CC	
1063	1	1380.6	27	biotite	conventional K-Ar	M40A	"4.72E-04, 0.584E-04, 1.19E-04*"	8.44	252	96			initial age disturbed by later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 6.95% AND 7.07% K; ARGON IS CONVERTED FROM 0.000564 CC	
1064	1	1329.06	26	biotite	conventional K-Ar	M45	"4.72E-04, 0.584E-04, 1.19E-04*"	7.99	226	97			initial age disturbed by later metamorphism	40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 6.65% AND 6.62% K; ARGON VALUE IS CONVERTED FROM 0.000506 CC	
1065	1	1301.68	26	biotite	conventional K-Ar	M48	"4.72E-04, 0.584E-04, 1.19E-04*"	2.05	56.31	85			minimum age of intrusion	MAINLY CHLORITE IN THE -40 +60 MESH ANALYZED MATERIAL	"POTASSIUM VALUE IS CONVERTED FROM AVERAGED 1.72%, 1.68% AND 1.70% K; ARGON VALUE IS CONVERTED FROM 0.0001262 CC"	
1065	2	1265.25	25	biotite	conventional K-Ar	M48	"4.72E-04, 0.584E-04, 1.19E-04*"	2.05	54.12	95			minimum age of intrusion	MAINLY CHLORITE IN THE -40 +60 MESH ANALYZED MATERIAL	"POTASSIUM VALUE IS CONVERTED FROM AVERAGED 1.72%, 1.68%, AND 1.70% K; ARGON VALUE IS CONVERTED FROM 0.0001213 CC STP"	
1066	1	1401.95	28	biotite	conventional K-Ar	M61D	"4.72E-04, 0.584E-04, 1.19E-04*"	8.42	257	97			initial age disturbed by later metamorphism	-40 +60 MESH MATERIAL	POTASSIUM VALUE IS CONVERTED FROM AVERAGED 6.99% AND 6.99% K; ARGON VALUE IS CONVERTED FROM 0.000575 CC	
1067	1	1689.64	34	hornblende	conventional K-Ar	M80	"4.72E-04, 0.584E-04, 1.19E-04*"	0.345	13.9	86			age of later metamorphism	-40 +60 MESH MATERIAL	"POTASSIUM VALUE IS CONVERTED FROM AVERAGED 0.289%, 0.269% AND 0.300% K; ARGON VALUE IS CONVERTED FROM 0.0000312 CC"	
1067	2	1705.36	34	hornblende	conventional K-Ar	M80	"4.72E-04, 0.584E-04, 1.19E-04*"	0.345	14.1	97			age of later metamorphism	-40 +60 MESH MATERIAL	"POTASSIUM VALUE IS CONVERTED FROM AVERAGED 0.289%, 0.269%, AND 0.300% K; ARGON VALUE IS CONVERTED FROM 0.0000315"	
1068	1	1627.62	32	hornblende	conventional K-Ar	M81	"4.72E-04, 0.584E-04, 1.19E-04*"	2.37	90.18	96			age of later metamorphism	-40 +60 MESH MATERIAL CONTAINED TRACES OF BIOTITE AND CHLORITE	"POTASSIUM VALUE IS CONVERTED FROM AVERAGED 1.99%, 1.92% AND 2.00% K; ARGON VALUE IS CONVERTED FROM 0.0002021 CC"	
1073	1	58		glauconite	conventional K-Ar	G-3221	"4.72E-04, 0.585E-04, 1.19E-04"	7.48		68			maximum age of volcanism		AR-40/K-40 RATIO EQUALS 0.00346; NO ANALYTICAL ERROR GIVEN; POTASSIUM VALUE IS CONVERTED 6.21% K	
1074	1	393		glauconite	conventional K-Ar	G-3222	"4.72E-04, 0.585E-04, 1.19E-04"	6.69		95					AR-40/K-40 RATIO EQUALS 0.0256; NO ANALYTICAL ERROR GIVEN; POTASSIUM VALUE IS CONVERTED 5.78% K	AGE IS TOO YOUNG
1075	1	451		glauconite	conventional K-Ar	G-3223	"4.72E-04, 0.584E-04, 1.19E-04"	6.48		95					AR-40/K-40 RATIO EQUALS 0.0298; NO ANALYTICAL ERROR GIVEN; POTASSIUM VALUE IS CONVERTED 5.38% K.	AGE IS TOO YOUNG
1076	1	439		glauconite	conventional K-Ar	G-3227	"4.72E-04, 0.585E-04, 1.19E-04"	7		97					AR-40/K-40 RATIO EQUALS 0.0289; NO ANALYTICAL ERROR GIVEN; POTASSIUM VALUE IS CONVERTED 5.81% K	AGE IS TOO YOUNG
1077	1	90	10	glauconite	conventional K-Ar	G-3242	"4.72E-04, 0.585E-04, 1.19E-04"	7.05		80			age of volcanism		AR-40/K-40 RATIO EQUALS 0.0055; POTASSIUM VALUE IS CONVERTED 5.85% K.	
1078	1	50		glauconite	conventional K-Ar	G-3261	"4.72E-04, 0.585E-04, 1.19E-04"	4.36					age of volcanism		AR-40/K-40 RATIO IS 0.0029; NO ANALYTICAL ERROR GIVEN; POTASSIUM VALUE IS CONVERTED 3.62% K.	
1078	2			Unk			"4.72E-04, 0.585E-04, 1.19E-04"			74						
1079	1	459		glauconite	conventional K-Ar	G-6267	"4.72E-04, 0.585E-04, 1.19E-04"	6.9		94					AR-40/K-40 RATIO EQUALS 0.0304; NO ANALYTICAL ERROR GIVEN; POTASSIUM VALUE IS CONVERTED 5.73% K	AGE IS TOO YOUNG
1080	1	330		glauconite	conventional K-Ar	G-3268	"4.72E-04, 0.585E-04, 1.19E-04"	5.83		93					POTASSIUM VALUE IS CONVERTED 4.84% K; AR-40/K-40 RATIO IS 0.211; NO ANALYTICAL ERROR GIVEN	AGE IS TOO YOUNG
1081	1	247		glauconite	conventional K-Ar	G-3277	"4.72E-04, 0.585E-04, 1.19E-04"	4.26		79					AR-40/K-40 RATIO IS 0.0155; NO ANALYTICAL ERROR GIVEN; POTASSIUM VALUE IS CONVERTED 3.54% K	AGE IS TOO YOUNG
1082	1	421		glauconite	conventional K-Ar	G-3280	"4.72E-04, 0.585E-04, 1.19E-04"	8.1		98				99% GLAUCONITE	AR-40/K-40 RATIO EQUALS 0.276; NO ANALYTICAL ERROR GIVEN; POTASSIUM VALUE CONVERTED FROM 6.72% K	AGE IS TOO YOUNG
1082	2	435		glauconite	conventional K-Ar	G-3280 (2)	"4.72E-04, 0.585E-04, 1.19E-04"	8.11		91				GLAUCONITE LEACHED WITH 25% ACETIC ACID FOR 24 HOURS BEFORE ANALYSIS	POTASSIUM VALUE CONVERTED FROM 6.73% K; AR-40/K-40 RATIO IS 0.0286; NO ANALYTICAL ERROR GIVEN.	AGE IS TOO YOUNG
1082	3	432		glauconite	conventional K-Ar	G-3280 (4)	"4.72E-04, 0.585E-04, 1.19E-04"	8.05		96				GLAUCONITE HEATED AT 100 DEGREES C IN AIR FOR 24 HOURS BEFORE ANALYSIS	POTASSIUM VALUE IS CONVERTED 6.68% K; AR-40/K-40 RATIO IS 0.0284; NO ANALYTICAL ERROR GIVEN	AGE IS TOO YOUNG
1082	4	433		glauconite	conventional K-Ar	G-3280 (4)	"4.72E-04, 0.585E-04, 1.19E-04"	8.05		95				GLAUCONITE HEATED AT 100 DEGREES C IN AIR FOR 24 HOURS BEFORE ANALYSIS	POTASSIUM VALUE IS CONVERTED 6.68% K; AR-40/K-40 RATIO IS 0.0285; NO ANALYTICAL ERROR GIVEN.	AGE IS TOO YOUNG
1082	5	420		glauconite	conventional K-Ar	G-3280 (4)	"4.72E-04, 0.585E-04, 1.19E-04"	8.05		97				GLAUCONITE HEATED AT 100 DEGREES C IN AIR FOR 24 HOURS BEFORE ANALYSIS	POTASSIUM VALUE IS CONVERTED 6.68% K; AR-40/K-40 RATIO IS 0.0274; NO ANALYTICAL ERROR GIVEN.	AGE IS TOO YOUNG; SEE RECORD 1186 FOR SIXTH K-AR AGE
1083	1	436		glauconite	conventional K-Ar	G-3281	"4.72E-04, 0.585E-04, 1.19E-04"	8.18		98					POTASSIUM VALUE IS CONVERTED 6.79% K; AR-40/K-40 RATIO IS 0.0287; NO ANALYTICAL ERROR GIVEN	AGE IS TOO YOUNG
1084	1	422		glauconite	conventional K-Ar	G-3282	"4.72E-04, 0.585E-04, 1.19E-04"	7.58		96					POTASSIUM VALUE IS CONVERTED 6.29% K; AR-40/K-40 RATIO IS 0.0277; NO ANALYTICAL ERROR GIVEN.	AGE IS TOO YOUNG
1085	1	411	15	glauconite	conventional K-Ar	G-3283	"4.72E-04, 0.585E-04, 1.19E-04"	7.58		97					POTASSIUM VALUE IS CONVERTED 6.29% K; AR-40/K-40 RATIO IS 0.0269	AGE &S TOO 0OU-G
1086	1	434		glauconite	conventional K-Ar	G-3286	"4.72E-04, 0.585E-04, 1.19E-04"	7.37		95					POTASSIUM VALUE IS CONVERTED 6.12% K; AR-40/K-40 RATIO IS 0.0285; NO ANALYTICAL ERROR GIVEN	AGE TOO YOUNG
1087	1	455		glauconite	conventional K-Ar	G-3287	"4.72E-04, 0.585E-04, 1.19E-04"	7.11		96					POTASSIUM VALUE IS CONVERTED 5.90% K; AR-40/K-40 RATIO IS 0.300; NO ANALYTICAL ERROR GIVEN	AGE TOO YOUNG
1087	2	447		glauconite	conventional K-Ar	G-3287	"4.72E-04, 0.585E-04, 1.19E-04"	7.11		91					POTASSIUM VALUE IS CONVERTED 5.90% K; AR-40/K-40 RATIO IS 0.0295; NO ANALYTICAL ERROR GIVEN	AGE TOO YOUNG
1088	1	423		glauconite	conventional K-Ar	G-3288	"4.72E-04, 0.585E-04, 1.19E-04"	5.69		96					POTASSIUM  VALUE IS CONVERTED 4.72% K; AR-40/K-40 RATIO IS 0.0277; NO ANALYTICAL ERROR GIVEN	AGE IS TOO YOUNG
1089	1	423		glauconite	conventional K-Ar	G-3578	"4.72E-04, 0.585E-04, 1.19E-04"	5.69		97					POTASSIUM VALUE IS CONVERTED 4.72% K; AR-40/K-40 RATIO IS 0.0277; NO ANALYTICAL ERROR GIVEN	AGE TOO YOUNG
1090	1	448		glauconite	conventional K-Ar	G-3580	"4.72E-04, 0.585E-04, 1.19E-04"	6.73		96					POTASSIUM VALUE IS CONVERTED 5.59% K; AR-40/K-40 RATIO IS 0.0296; NO ANALYTICAL ERROR GIVEN	AGE IS TOO YOUNG
1091	1	427		glauconite	conventional K-Ar	G-8532	"4.72E-04, 0.585E-04, 1.19E-04"	7.32		98					POTASSIUM VALUE IS CONVERTED 6.08% K; AR40/K-40 RATIO IS 0.0280; NO ANALYTICAL ERROR GIVEN	AGE IS TOO YOUNG
1092	1	417		glauconite	conventional K-Ar	G-3583	"4.72E-04, 0.585E-04, 1.19E-04"	4.16		83					POTASSIUM VALUE IS CONVERTED 3.45% K; AR-40/K-40 RATIO IS 0.0273; NO ANALYTICAL ERROR GIVEN	AGE IS TOO YOUNG
1093	1	284	30	glauconite	conventional K-Ar	G-3585	"4.72E-04, 0.585E-04, 1.19E-04"	5.83		34					POTASSIUM VALUE IS CONVERTED 4.84% K; AR-40/K-40 RATIO IS 0.0180	AGE IS TOO YOUNG
1094	1	278	12	glauconite	conventional K-Ar	G-3586	"4.72E-04, 0.585E-04, 1.19E-04"	5.4		81					POTASSIUM VALUE IS CONVERTED 4.48% K; AR-40/K-40 RATIO IS 0.0176	AGE IS TOO YOUNG
1094	2	250		glauconite	conventional K-Ar	G-3586	"4.72E-04, 0.585E-04, 1.19E-04"	5.4		88					POTASSIUM VALUE IS CONVERTED 4.48% K; AR-40/K-40 RATIO IS 0.0157; NO ANALYTICAL ERROR GIVEN	AGE IS TOO YOUNG
1094	3	260		glauconite	conventional K-Ar	G-3586	"4.72E-04, 0.585E-04, 1.19E-04"	5.4		85					POTASSIUM VALUE IS CONVERTED 4.48% K; AR-40/K-40 RATIO IS 0.0164; NO ANALYTICAL ERROR GIVEN	AGE IS TOO YOUNG
1095	1	60		glauconite	conventional K-Ar	G-3694	"4.72E-04, 0.585E-04, 1.19E-04"	6.41		45			minimum age of intrusion		POTASSIUM VALUE IS CONVERTED 5.32% K; AR-40/K-40 RATIO IS 0.00346; NO ANALYTICAL ERROR GIVEN	
1096	1	410		glauconite	conventional K-Ar	G-3347	"4.72E-04, 0.585E-04, 1.19E-04"	3.63		100					POTASSIUM VALUE IS CONVERTED 3.01% K; AR-40/K-40 RATIO IS 0.0272; NO ANALYTICAL ERROR GIVEN	AGE IS TOO YOUNG
1108	1	2098.79	80	biotite	conventional K-Ar	M 5238A	"4.72E-04, 0.584E-04, 1.18E-04*"	9.36	535	91			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.34 MM	POTASSIUM VALUE IS CONVERTED AVERAGE OF 7.88% AND 7.66% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.0012 AND 0.0012 CC; OTHER RADIOGENIC ARGON VALUE IS 97%.	SAMPLE COLLECTED 3.0 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1108	2	1159.22	50	K feldspar	conventional K-Ar	M 5238A	"4.72E-04, 0.584E-04, 1.18E-04*"	10.38	243	93			initial age disturbed by later metamorphism		ARGON VALUE IS CONVERTED AVERAGE OF 0.000532 AND 0.000558 CC; OTHER RADIOGENIC ARGON VALUE IS 97%; POTASSIUM VALUE IS CONVERTED 8.62% K	SAMPLE COLLECTED 3.0 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1109	1	2058.49	80	biotite	conventional K-Ar	M 5240A	"4.72E-04, 0.584E-04, 1.18E-04*"	8.55	473	97			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 1.8 MM	POTASSIUM VALUE IS CONVERTED 7.10% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.00103 AND 0.0010 CC; OTHER RADIOGENIC VALUE IS 98%	SAMPLE COLLECTED 2.9 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1109	2	2083.76	80	biotite	conventional K-Ar	M 5240A	"4.72E-04, 0.584E-04, 1.18E-04*"	10.59	598	98			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.95 MM	ARGON VALUE IS CONVERTED AVERAGE OF 0.00137 AND 0.00131 CC; POTASSIUM VALUE IS CONVERTED 8.79% K (THIS IS A VERY HIGH VALUE FOR PATASSIUM CONTENT FOR BIOTITE--COMPILER.)	SAMPLE COLLECTED 2.9 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1109	3	1887.79	80	biotite	conventional K-Ar	M 5240A	"4.72E-04, 0.584E-04, 1.18E-04*"	9.17	440	49			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.41 MM	POTASSIUM VALUE IS CONVERTED AVERAGE OF 7.85% AND 7.38% K; ARGON VALUE IS CONVERTED 0.000987 CC	SAMPLE COLLECTED 2.9 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1109	4	1512.2	60	biotite	conventional K-Ar	M 5240A	"4.72E-04, 0.584E-04, 1.18E-04*"	8.45	288	96			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.17 MM	"POTASSIUM VALUE IS CONVERTED AVERAGE OF 7.00% AND 7.03% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.000624, 0.000662, AND 0.000653 CC; OTHER RADIOGENIC ARGON VALUES ARE 97% AND 97%."	SAMPLE COLLECTED 2.9 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT.
1109	5	1910	80	biotite	conventional K-Ar	M 5240A	"4.72E-04, 0.584E-04, 1.18E-04"						initial age disturbed by later metamorphism	BIOTITE GROUND FROM A MEAN GRAIN DIAMETER OF 0.41 MM TO 0.18 MM	NO ANALYTICAL DATA GIVEN	SAMPLE COLLECTED 2.9 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1110	1	2381.18	100	biotite	conventional K-Ar	M 5243	"4.72E-04, 0.584E-04, 1.18E-04*"	8.52	607	99			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.53 MM	"POTASSIUM VALUE IS CONVERTED AVERAGE OF 7.05%, 7.07%, AND 7.09% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.00141 AND 0.00132 CC; THE OTHER RADIOGENIC ARGON VALUE IS 99%."	SAMPLE COLLECTED 3.5 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1114	1	1166.61	50	biotite	conventional K-Ar	M 5252	"4.72E-04, 0.584E-04, 1.18E-04*"	6.31	149	89			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.40 MM	POTASSIUM VALUE IS CONVERTED AVERAGE OF 5.37% AND 5.11% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.000325; 0.000331; AND 0.000345 CC; OTHER RADIOGENIC ARGON VALUES ARE 92% AND 92%	SAMPLE COLLECTED 2.1 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1114	2	1222.58	50	K feldspar	conventional K-Ar	M 5252	"4.72E-04, 0.584E-04, 1.18E-04*"	14.22	358	90			initial age disturbed by later metamorphism		ARGON VALUE IS CONVERTED AVERAGE OF 0.000786 AND 0.000817 CC; OTHER RADIOGENIC ARGON VALUE IS 97%; POTASSIUM VALUE IS CONVERTED 11.80% K	SAMPLE COLLECTED 2.1 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1115	1	1117.21	40	biotite	conventional K-Ar	M5254	"4.72E-04, 0.584E-04, 1.18E-04*"	8.62	192	98			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.36 MM	POTASSIUM VALUE IS CONVERTED AVERAGE OF 7.03% AND 7.28% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.000426 AND 0.000433 CC	SAMPLE COLLECTED 0.06 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1116	1	1674.14	70	biotite	conventional K-Ar	M5299	"4.72E-04, 0.584E-04, 1.18E-04*"	8.66	344	97			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.26 MM	POTASSIUM VALUE IS CONVERTED AVERAGE OF 7.21% AND 7.17% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.000770 AND 0.000771 CC; OTHER RADIOGEN ARGON VALUE IS 98%	SAMPLE COLLECTED 2.7 KM FROM INFERRED DULUTH GABBRO-KNIFE LAKE METASEDIMENT CONTACT
1116	2	1320.66	50	biotite	conventional K-Ar	M5299G	"4.72E-04, 0.584E-04, 1.18E-04*"	7.17	201	99			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.12 MM	ARGON VALUE IS CONVERTED 0.000450 CC; POTASSIUM VALUE IS CONVERTED 5.95% K	SAMPLE COLLECTED 2.7 KM FROM INFERRED DULUTH GABBRO-KNIFE LAKE METASEDIMENT CONTACT
1117	1	1775.22	70	biotite	conventional K-Ar	M7001	"4.72E-04, 0.584E-04, 1.18E-04*"	8.55	372	97			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.80 MM	POTASSIUM VALUE IS CONVERTED 7.10% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.000851 AND 0.000816 CC; OTHER RADIOGENIC ARGON VALUE IS 95%	SAMPLE COLLECTED 2.4 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1118	1	1281.4	50	biotite	conventional K-Ar	M7003	"4.72E-04, 0.584E-04, 1.18E-04*"	8.82	237	93			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.80 MM	ARGON VALUE IS CONVERTED 0.000531 CC; POTASSIUM VALUE IS CONVERTED 7.32% K	SAMPLE COLLECTED 2.2 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1119	1	1615.52	60	biotite	conventional K-Ar	M7007	"4.72E-04, 0.584E-04, 1.18E-04*"	7.15	269	98			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.38 MM	POTASSIUM VALUE IS CONVERTED AVERAGE OF 6.00% AND 5.87% K; ARGON VALUE IS CONVERTED 0.000603 CC	SAMPLE COLLECTED 2.3 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1120	1	1909.89	80	biotite	conventional K-Ar	M7011	"4.72E-04, 0.584E-04, 1.18E-04*"	9.04	442	97			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.55 MM	POTASSIUM VALUE IS CONVERTED AVERAGE OF 7.54% AND 7.47% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.000990 AND 0.000992 CC; OTHER RADIOGENIC ARGON VALUE IS 99%	SAMPLE COLLECTED 2.6 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1120	2	1392.24	60	K feldspar	conventional K-Ar	M7011	"4.72E-04, 0.584E-04, 1.18E-04*"	10.49	317	93			initial age disturbed by later metamorphism		POTASSIUM VALUE IS CONVERTED AVERAGE OF 8.40% AND 9.02% K;  ARGON VALUE IS CONVERTED AVERAGE OF 0.000703 AND 0.000718 CC; OTHER RADIOGENIC ARGON VALUE IS 98%	SAMPLE COLLECTED 2.6 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1121	1	1133.08	50	biotite	conventional K-Ar	M7018	"4.72E-04, 0.584E-04, 1.18E-04*"	8.37	190	92			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.54 MM	"POTASSIUM VALUE IS CONVERTED 6.95% K; ARGON VALUE IS CONVERTED AVERAGED 0.000430, 0.000423, AND 0.000427 CC; OTHER RADIOGENIC ARGON VALUES ARE 98% AND 97%"	SAMPLE COLLECTED 2.1 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1123	1	1077.35	40	biotite	conventional K-Ar	M7030	"4.72E-04, 0.584E-04, 1.18E-04*"	8.2	174	97			initial age disturbed by later metamorphism	MEAN GRAIN DIAMETER IS 0.31  MM	ARGON VALUE IS CONVERTED 0.000391 CC;  POTASSIUM VALUE IS CONVERTED 6.81% K	AGE IS PROBABLY SAME AS AGE OF DULUTH GABBRO; SAMPLE COLLECTED 1.7 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1124	1	2524.14	100	hornblende	conventional K-Ar	M7032	"4.72E-04, 0.584E-04, 1.18E-04*"	0.704	55.8	94			minimum age of intrusion		ARGON VALUE IS CONVERTED 0.000125 CC; POTASSIUM VALUE IS CONVERTED 0.584% K	SAMPLE COLLECTED 2.1 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1125	1	2595.42	100	biotite	conventional K-Ar	M7041B	"4.72E-04, 0.584E-04, 1.18E-04*"	7.88	658	99			age of intrusion	MEAN GRAIN DIAMETER IS 3.16 MM	POTASSIUM VALUE IS CONVERTED 6.54% K;  ARGON VALUE IS CONVERTED AVERAGED 0.00151 AND 0.00144 CC; OTHER RADIOGENIC ARGON VALUE IS 99%; RUBIDIUM CONTENT IS 453 PPM	SAMPLE COLLECTED 4.7 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1126	1	2565.48	100	biotite	conventional K-Ar	M7058	"4.72E-04, 0.584E-04, 1.18E-04*"	9.29	759	99			age of intrusion	MEAN GRAIN DIAMETER IS 0.34 MM	POTASSIUM VALUE IS CONVERTED 7.71% K; ARGON VALUE IS CONVERTED AVERAGED 0.00172 AND 0.00168 CC;  OTHER RADIOGENIC ARGON VALUE IS 99%	SAMPLE COLLECTED 5.0 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1126	2	1564.59	60	K feldspar	conventional K-Ar	M7058	"4.72E-04, 0.584E-04, 1.18E-04*"	11.91	427	98					ARGON VALUE IS CONVERTED 0.000958 CC; RUBIDIUM CONTENT IS 178 PPM; POTASSIUM VALUE IS CONVERTED 9.89% K	K-FELDSPAR DOES NOT QUANTITATIVELY RETAIN RADIOGENIC ARGON; SAMPLE COLLECTED 5.0 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1127	1	2425.81	100	muscovite	conventional K-Ar	M7031B	"4.72E-04, 0.584E-04, 1.18E-04*"	10.41	767	99			initial age disturbed by later metamorphism		POTASSIUM VALUE IS CONVERTED 8.64% K;  ARGON VALUE IS CONVERTED AVERAGED 0.00171 AND 0.00173 CC; ANOTHER RADIOGENIC ARGON VALUE IS 98%	SAMPLE COLLECTED 1.75 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1128	1	2594.54	100	muscovite	conventional K-Ar	M7045A	"4.72E-04, 0.584E-04, 1.18E-04*"	8.64	721	98			age of intrusion		POTASSIUM VALUE IS CONVERTED 7.17% K; ARGON VALUE IS CONVERTED AVERAGED 0.00162 AND 0.00161 CC; ANOTHER RADIOGENIC ARGON VALUE IS 99%	SAMPLE COLLECTED 5.0 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1129	1	1543.03	60	K feldspar	conventional K-Ar	M7046	"4.72E-04, 0.584E-04, 1.18E-04*"	4.67	164	95					POTASSIUM VALUE IS CONVERTED 3.88% K; ARGON VALUE IS CONVERTED AVERAGED 0.000364 AND 0.000373 CC; ANOTHER RADIOGENIC ARGON VALUE IS 97%	AGE TOO YOUNG; SAMPLE COLLECTED 4.3 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1130	1	2462.01	100	muscovite	conventional K-Ar	M7047	"4.72E-04, 0.584E-04, 1.18E-04*"	10.37	785	99			initial age disturbed by later metamorphism		ARGON VALUE IS CONVERTED 0.00176 CC; POTASSIUM VALUE IS CONVERTED 8.61% K	SAMPLE COLLECTED 3.25 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1131	1	1854.04	70	muscovite	conventional K-Ar	M7061	"4.72E-04, 0.584E-04, 1.18E-04*"	9.74	454	98			initial age disturbed by later metamorphism		POTASSIUM VALUE IS CONVERTED AVERAGE OF 7.99% AND 8.18% K; ARGON VALUE IS CONVERTED AVERAGED 0.000985 AND 0.00105 CC;  ANOTHER RADIOGENIC ARGON VALUE IS 99%	SAMPLE COLLECTED 1.25 KM FROM INFERRED DULUTH GABBRO OVERHEAD CONTACT
1132	1	2776.33	110	hornblende	conventional K-Ar	M5287	"4.72E-04, 0.584E-04, 1.18E-04*"	0.606	57.6	96			maximum age of intrusion		ARGON VALUE IS CONVERTED 0.000129 CC; POTASSIUM VALUE IS CONVERTED 0.503% K	SAMPLE COLLECTED 1.8 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1133	1	1755.3	70	hornblende	conventional K-Ar	M7028	"4.72E-04, 0.584E-04, 1.18E-04*"	0.641	27.4	94			initial age disturbed by later metamorphism		ARGON VALUE IS CONVERTED 0.0000614 CC; POTASSIUM VALUE IS CONVERTED 0.532% K	SAMPLE COLLECTED 0.35 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1134	1	1444.56	60	hornblende	conventional K-Ar	M7069	"4.72E-04, 0.584E-04, 1.18E-04*"	0.299	9.53	76			initial age disturbed by later metamorphism	10% PYROXENE IMPURITY	POTASSIUM VALUE IS CONVERTED 0.248% K; ARGON VALUE IS CONVERTED AVERAGED 0.0000224 AND 0.0000203 CC; ANOTHER RADIOGENIC ARGON VALUE IS 82%; AGE CORRECTED FOR 10% PYROXENE IMPURITY--AGE IS 1450 M.Y. UNCORECTED	SAMPLE COLLECTED AT DULUTH-SNOWBANK STOCK CONTACT
1134	2	1064.74	40	K feldspar	conventional K-Ar	M7069	"4.72E-04, 0.584E-04, 1.18E-04*"	3.48	72.7	96			initial age disturbed by later metamorphism		ARGON VALUE IS CONVERTED 0.000163 CC; POTASSIUM VALUE IS CONVERTED 2.89% K	SAMPLE COLLECTED AT DULUTH GABBRO-SNOWBANK STOCK CONTACT
1134	3	2955.88	120	pyroxenes	conventional K-Ar	M7069	"4.72E-04, 0.584E-04, 1.18E-04*"	0.07	7.54	88			"sample contains excess radiogenic argon, age is too old"		ARGON VALUE IS CONVERTED 0.0000169 CC; POTASSIUM VALUE IS CONVERTED 0.058% K	SAMPLE COLLECTED AT DULUTH GABBRO-SNOWBANK STOCK CONTACT
1135	1	1762.69	70	hornblende	conventional K-Ar	M7080	"4.72E-04, 0.584E-04, 1.18E-04*"	0.251	10.8	92			initial age disturbed by later metamorphism		POTASSIUM VALUE IS CONVERTED 0.208% K; ARGON VALUE IS CONVERTED AVERAGED 0.0000237 AND 0.0000245 CC; ANOTHER RADIOGENIC ARGON VALUE IS 96%	SAMPLE COLLECTED 0.12 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1136	1	1062.91	40	K feldspar	conventional K-Ar	M5284	"4.72E-04, 0.584E-04, 1.18E-04*"	8.3	173	94			initial age disturbed by later metamorphism		ARGON VALUE IS CONVERTED 0.000387 CC; POTASSIUM VALUE IS CONVERTED 6.89% K	AGE IS PROBABLY THE SAME AS AGE OF DULUTH GABBRO; SAMPLE COLLECTED 0.9 KM FROM INFERRED DULUTH GABBRO-SNOWBANK STOCK CONTACT
1137	1	37.81	1	biotite	conventional K-Ar	L-969	"4.72E-04, 0.585E-04, 1.19E-04*"	8.89	4.89	86		McDowell (1971)	age of intrusion		POTASSIUM VALUE IS CONVERTED 7.38% K	
1138	1	105.12	3	hornblende	conventional K-Ar	L-958	"4.72E-04, 0.585E-04, 1.19E-04*"	1.54	2.4	87		McDowell (1971)	age of intrusion		POTASSIUM VALUE IS CONVERTED 1.28% K	
1139	1	111.07	3	hornblende	conventional K-Ar	L-959	"4.72E-04, 0.585E-04, 1.19E-04*"	1.34	2.21	62		McDowell (1971)	age of intrusion		POTASSIUM VALUE IS CONVERTED 1.11% K	
1140	1	111.28	3	hornblende	conventional K-Ar	L-961	"4.72E-04, 0.585E-04, 1.19E-04*"	0.829	1.37	89		McDowell (1971)	age of intrusion		POTASSIUM VALUE IS CONVERTED 0.688% K	
1141	1	109.35	4	hornblende	conventional K-Ar	L-960	"4.72E-04, 0.585E-04, 1.19E-04*"	1.22	1.98	38		McDowell (1971)	age of intrusion		POTASSIUM VALUE IS CONVERTED 1.01% K	
1142	1	116.84	3	biotite	conventional K-Ar	L-962	"4.72E-04, 0.585E-04, 1.19E-04*"	6.445	11.2	91		McDowell (1971)	age of intrusion		POTASSIUM VALUE IS CONVERTED 5.35% K	
1142	2	109.4	3	hornblende	conventional K-Ar	L-962	"4.72E-04, 0.585E-04, 1.19E-04*"	1.01	1.64	90		McDowell (1971)	age of intrusion		POTASSIUM VALUE IS CONVERTED 0.836% K	
1143	1	113.42	3	biotite	conventional K-Ar	L-1013	"4.72E-04, 0.585E-04, 1.19E-04*"	8.9	15	90		McDowell (1971)			POTASSIUM VALUE IS CONVERTED 7.39% K	AGE OF HYDROTHERMAL ALTERATION
1144	1	111.12	3	biotite	conventional K-Ar	L-1014	"4.72E-04, 0.585E-04, 1.19E-04*"	10.06	16.6	96		McDowell (1971)			POTASSIUM VALUE IS CONVERTED 8.35% K	AGE OF HYDROTHERMAL ALTERATION
1145	1	74.74	2	biotite	conventional K-Ar	L-957	"4.72E-04, 0.585E-04, 1.19E-04*"	8.72	9.58	79		McDowell (1971)	age not evaluated		POTASSIUM VALUE IS CONVERTED 7.24% K	
1146	1	117.69	3	biotite	conventional K-Ar	L-1027	"4.72E-04, 0.585E-04, 1.19E-04*"	8.11	14.2	93		McDowell (1971)	age not evaluated		POTASSIUM VALUE IS CONVERTED 6.73% K	
1146	2	126.46	4	hornblende	conventional K-Ar	L-1027	"4.72E-04, 0.585E-04, 1.19E-04*"	1.14	2.15	83		McDowell (1971)	age not evaluated		POTASSIUM VALUE IS CONVERTED 0.947% K	
1147	1	78.58	3	biotite	conventional K-Ar	L-1028	"4.72E-04, 0.585E-04, 1.19E-04*"	8.57	9.91	89		McDowell (1971)	age not evaluated		POTASSIUM VALUE IS CONVERTED 7.11% K	
1148	1	44.07	2	biotite	conventional K-Ar	L-1029	"4.72E-04, 0.585E-04, 1.19E-04*"	8.05	5.17	85		McDowell (1971)	age not evaluated		POTASSIUM VALUE IS CONVERTED 6.68% K	
1149	1	50.36	2	biotite	conventional K-Ar	L-1121	"4.72E-04, 0.585E-04, 1.19E-04*"	8.31	6.11	87		McDowell (1971)	age not evaluated		POTASSIUM VALUE IS CONVERTED 6.90% K	
1150	1	159.21	6	hornblende	conventional K-Ar	L-1122	"4.72E-04, 0.585E-04, 1.19E-04*"	0.434	1.04	66		McDowell (1971)	age not evaluated		POTASSIUM VALUE IS CONVERTED 0.360% K	
1151	1	44.62	2	biotite	conventional K-Ar	L-1123	"4.72E-04, 0.585E-04, 1.19E-04*"	7.58	4.93	79		McDowell (1971)	age not evaluated		POTASSIUM VALUE IS CONVERTED 6.29% K	
1152	1	39.18	2	biotite	conventional K-Ar	L-953	"4.72E-04, 0.585E-04, 1.19E-04*"	8.26	4.71	84		McDowell (1971)	age not evaluated		POTASSIUM VALUE IS CONVERTED 6.86% K	
1153	1	42.85	2	biotite	conventional K-Ar	L-954	"4.72E-04, 0.585E-04, 1.19E-04*"	8.89	5.55	72		McDowell (1971)	age not evaluated		POTASSIUM VALUE IS CONVERTED 7.38% K	
1154	1	61.9	2	biotite	conventional K-Ar	L-1026	"4.72E-04, 0.585E-04, 1.19E-04*"	9.54	8.65	87		McDowell (1971)	age not evaluated		POTASSIUM VALUE IS CONVERTED 7.92% K	
1155	1	56.05	2	muscovite	conventional K-Ar	L-1120	"4.72E-04, 0.585E-04, 1.19E-04*"	10.37	8.5	88		McDowell (1971)	age not evaluated		POTASSIUM VALUE IS CONVERTED 8.61% K	
1156	1	1720		hornblende	conventional K-Ar	3798	"4.72E-04, 0.585E-04, 1.19E-04"						minimum age of metamorphic crystallization		NO ANALYTICAL DATA GIVEN	"AGE TAKEN FROM ARTICLE BY BURWASH, BAADSGAARD, AND PETERMAN, 1962"
1156	2	1770		hornblende	conventional K-Ar	3798	"4.72E-04, 0.585E-04, 1.19E-04"						minimum age of metamorphic crystallization		NO ANALYTICAL DATA GIVEN	"AGE TAKEN FROM ARTICLE BY BURWASH, BAADSGARRD, AND PETERMAN, 1962"
1160	1	2200		hypersthene	conventional K-Ar	4678	"4.72E-04, 0.585E-04, 1.19E-04"						age not evaluated		NO ANALYTICAL DATA GIVEN	"AGE TAKEN FROM ARTICLE BY BURWASH, BAADSGAARD, AND PETERMAN, 1962"
1162	1	79.43	2.4	hornblende	conventional K-Ar	D1564	"4.72E-04, 0.584E-04, 1.19E-04*"	0.988	1.155	90			age of volcanism		POTASSIUM DETERMINED BY REPLICATE ISOTOPE-DILUTION ANALYSES	
1163	1	79.9	2.4	hornblende	conventional K-Ar	D1567	"4.72E-04, 0.584E-04, 1.19E-04*"	0.829	0.975	94			age of volcanism		POTASSIUM DETERMINED BY REPLICATE ISOTOPE-DILUTION ANALYSES	
1163	2	80.14	2.4	hornblende	conventional K-Ar	D1567	"4.72E-04, 0.584E-04, 1.19E-04*"	0.834	0.984	95			age of volcanism		POTASSIUM DETERMINED BY REPLICATE ISOTOPE-DILUTION ANALYSES	
1164	1	77.53	3.8	biotite	conventional K-Ar	S1419	"4.72E-04, 0.584E-04, 1.19E-04*"	9.54	10.88	93			age of intrusion			
1164	2	79.2	3.1	biotite	conventional K-Ar	S1419	"4.72E-04, 0.584E-04, 1.19E-04*"	9.24	10.77	91			age of intrusion		REPLICATE POTASSIUM ANALYSES	
1165	1	75.27	2.9	biotite	conventional K-Ar	605-599	"4.72E-04, 0.584E-04, 1.19E-04*"	8.82	9.76	91			age of intrusion		REPLICATE POTASSIUM ANALYSES	
1166	1	80.04	3.1	biotite	conventional K-Ar	63K-350	"4.72E-04, 0.584E-04, 1.19E-04*"	8.75	10.31	89			age of intrusion		REPLICATE POTASSIUM ANALYSES	"THIS AGE ALSO REPORTED BY PROSTKA, 1966, USGS BULL. 1221F"
1167	1	74.5	3.6	biotite	conventional K-Ar	61K-661	"4.72E-04, 0.584E-04, 1.19E-04*"	8.84	9.68	92			age of intrusion			
1168	1	75.63	3.7	biotite	conventional K-Ar	61K-647	"4.72E-04, 0.584E-04, 1.19E-04*"	6.79	7.55	82			age of intrusion			"THIS AGE ALSO REPORTED BY PROSTKA, 1966, USGS BULL. 1221F"
1168	2	76.43	3	hornblende	conventional K-Ar	61K-647	"4.72E-04, 0.584E-04, 1.19E-04*"	0.476	0.535	60			age of intrusion		REPLICATE POTASSIUM ANALYSES	"THIS AGE ALSO REPORTED BY PROSTKA, 1966, USGS BULL. 1221F"
1169	1	73.35	2.3	biotite	conventional K-Ar	63T-273	"4.72E-04, 0.584E-04, 1.19E-04*"	8.74	9.42	96			age of intrusion		REPLICATE POTASSIUM AND ARGON ANALYSES	
1169	2	73.58	2.2	biotite	conventional K-Ar	63T-273	"4.72E-04, 0.584E-04, 1.19E-04*"	8.74	9.45	96			age of intrusion		REPLICATE POTASSIUM ANALYSES	
1169	3	75.04	2.5	hornblende	conventional K-Ar	63T-273	"4.72E-04, 0.584E-04, 1.19E-04*"	0.456	0.503	84			age of intrusion		POTASSIUM DETERMINED BY REPLICATE ISOTOPE-DILUTION ANALYSES	
1169	4	72.96	2.5	hornblende	conventional K-Ar	63T-273	"4.72E-04, 0.584E-04, 1.19E-04*"	0.459	0.492	70			age of intrusion		POTASSIUM DETERMINED BY REPLICATE ISOTOPE-DILUTION ANALYSES	
1170	1	74.99	3.6	biotite	conventional K-Ar	63K-306	"4.72E-04, 0.584E-04, 1.19E-04*"	7.33	8.08	86			age of intrusion			
1170	2	72.89	3.6	hornblende	conventional K-Ar	63K-306	"4.72E-04, 0.584E-04, 1.19E-04*"	0.55	0.589	69			age of intrusion		REPLICATE POTASSIUM ANALYSES	
1171	1	74.39	3	biotite	conventional K-Ar	D1566	"4.72E-04, 0.584E-04, 1.19E-04*"	9	9.84	74			age of intrusion		REPLICATE POTASSIUM ANALYSES	
1171	2	78.27	2.4	hornblende	conventional K-Ar	D1566	"4.72E-04, 0.584E-04, 1.19E-04*"	0.6	0.691	57			age of intrusion		POTASSIUM DETERMINED BY REPLICATE ISOTOPE-DILUTION ANALYSES	
1171	3	76.8	3.4	hornblende	conventional K-Ar	D1566	"4.72E-04, 0.584E-04, 1.19E-04*"	0.602	0.68	72			age of intrusion		POTASSIUM DETERMINED BY REPLICATE ISOTOPE DILUTION ANALYSES	
1172	1	73.59	3.6	biotite	conventional K-Ar	52C-45	"4.72E-04, 0.584E-04, 1.19E-04*"	9.1	9.84	89			age of intrusion			
1172	2	71.75	3.5	biotite	conventional K-Ar	52C-45	"4.72E-04, 0.584E-04, 1.19E-04*"	9.1	9.59	87			age of intrusion		REPLICATE ARGON ANALYSES	
1173	1	76.83	3.7	biotite	conventional K-Ar	62K00	"4.72E-04, 0.584E-04, 1.19E-04*"	8.61	9.73	86			age of intrusion			
1174	1	72.19	3.5	biotite	conventional K-Ar	1K-241	"4.72E-04, 0.584E-04, 1.19E-04*"	8.61	9.13	90			age of intrusion			
1174	2	73.35	3.3	biotite	conventional K-Ar	1K-241	"4.72E-04, 0.584E-04, 1.19E-04*"	8.61	9.28	91			age of intrusion		REPLICATE ARGON ANALYSES	
1174	3	76.52	2.6	hornblende	conventional K-Ar	1K-241	"4.72E-04, 0.584E-04, 1.19E-04*"	0.399	0.449	63			age of intrusion		POTASSIUM DETERMINED BY REPLICATE ISOTOPE-DILUTION ANALYSES	
1175	1	71.7	3.5	biotite	conventional K-Ar	60S-C3	"4.72E-04, 0.584E-04, 1.19E-04*"	7.92	8.34	85			age of intrusion			
1176	1	71.87	3.5	biotite	conventional K-Ar	W-21	"4.72E-04, 0.584E-04, 1.19E-04*"	7.91	8.35	86			age of intrusion		REPLICATE POTASSIUM ANALYSES	
1176	2	75.66	3	biotite	conventional K-Ar	W-21	"4.72E-04, 0.584E-04, 1.19E-04*"	7.91	8.8	93			age of intrusion		REPLICATE POTASSIUM AND ARGON ANALYSES	
1176	3	74.88	2.5	hornblende	conventional K-Ar	W-21	"4.72E-04, 0.584E-04, 1.19E-04*"	0.417	0.459	79			age of intrusion		POTASSIUM DETERMINED BY REPLICATE ISOTOPE-DILUTION ANALYSES	
1177	1	71.74	3.5	biotite	conventional K-Ar	61K-633	"4.72E-04, 0.584E-04, 1.19E-04*"	8.21	8.65	90			age of intrusion			"THIS AGE ALSO REPORTED BY PROSTKA, 1966, USGS BULL. 1221F"
1177	2	75.57	3	hornblende	conventional K-Ar	61K-633	"4.72E-04, 0.584E-04, 1.19E-04*"	0.486	0.54	71			age of intrusion		POTASSIUM DETERMINED BY REPLICATE ISOTOPE-DILUTION ANALYSES	"THIS AGE ALSO REPORTED BY PROSTKA, 1966, USGS BULL. 1221F"
1178	1	72.4		biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04"						age of intrusion	SAMPLE IS IDENTIFIED AS NO. 6 ON SAMPLE-LOCATION MAP		
1179	1	74.71	2.9	biotite	conventional K-Ar	2	"4.72E-04, 0.584E-04, 1.19E-04*"	8.55	9.39	78		McDowell (1971)	age of intrusion			
1179	2	72.87	2.8	biotite	conventional K-Ar	2	"4.72E-04, 0.584E-04, 1.19E-04*"	8.65	9.26	83		McDowell (1971)	age of intrusion			
1180	1	78.98	3.1	biotite	conventional K-Ar	25	"4.72E-04, 0.584E-04, 1.19E-04*"	7.02	8.16	57		McDowell (1971)	age of intrusion			
1180	2	78.99	3.1	hornblende	conventional K-Ar	25	"4.72E-04, 0.584E-04, 1.19E-04*"	0.548	0.637	56		McDowell (1971)	age of intrusion			
1181	1	78.51	3.1	biotite	conventional K-Ar	22	"4.72E-04, 0.584E-04, 1.19E-04*"	6.89	7.96	79		McDowell (1971)	age of intrusion			
1181	2	78.53	3.1	hornblende	conventional K-Ar	22	"4.72E-04, 0.584E-04, 1.19E-04*"	0.836	0.966	46		McDowell (1971)	age of intrusion			
1182	1	77.62	3	biotite	conventional K-Ar	12	"4.72E-04, 0.584E-04, 1.19E-04*"	8.95	10.22	89		McDowell (1971)	age of intrusion			
1182	2	74.79	2.9	biotite	conventional K-Ar	12	"4.72E-04, 0.584E-04, 1.19E-04*"	8.95	9.84	93		McDowell (1971)	minimum age of intrusion		REPLICATE ARGON ANALYSES	
1182	3	83.5	3.3	hornblende	conventional K-Ar	12	"4.72E-04, 0.584E-04, 1.19E-04*"	0.625	0.769	39		McDowell (1971)	maximum age of intrusion			
1183	1	76.84	3	biotite	conventional K-Ar	14	"4.72E-04, 0.584E-04, 1.19E-04*"	8.3	9.38	79		McDowell (1971)	age of intrusion			
1183	2	76.75	3	hornblende	conventional K-Ar	14	"4.72E-04, 0.584E-04, 1.19E-04*"	0.52	0.587	53		McDowell (1971)	age of intrusion			
1184	1	72.09	2.8	biotite	conventional K-Ar	18A	"4.72E-04, 0.584E-04, 1.19E-04*"	7.64	8.09	87		McDowell (1971)	minimum age of intrusion	GRAIN SIZE GREATER THAN 20 MESH		
1184	2	71.95	2.8	biotite	conventional K-Ar	18A	"4.72E-04, 0.584E-04, 1.19E-04*"	5.99	6.33	57		McDowell (1971)	minimum age of intrusion	GRAIN SIZE BETWEEN 20-80 MESH		
1184	3	82.29	3.2	hornblende	conventional K-Ar	18A	"4.72E-04, 0.584E-04, 1.19E-04*"	0.575	0.697	78		McDowell (1971)	maximum age of intrusion			
1184	4	80.1	3.1	hornblende	conventional K-Ar	18A	"4.72E-04, 0.584E-04, 1.19E-04*"	0.575	0.678	13		McDowell (1971)	maximum age of intrusion			
1185	1	69.52	2.7	biotite	conventional K-Ar	19	"4.72E-04, 0.584E-04, 1.19E-04*"	8.33	8.5	82		McDowell (1971)	age of intrusion			
1185	2	70.59	2.8	hornblende	conventional K-Ar	19	"4.72E-04, 0.584E-04, 1.19E-04*"	1.29	1.337	69		McDowell (1971)	age of intrusion			
1186	1	435		glauconite	conventional K-Ar	G-3280 (5)	"4.72E-04, 0.585E-04, 1.19E-04"	8.06		98				99% GLAUCONITE	"DATA GIVEN AS 6.69% K, 40AR/40K = 0.0286; NO ERROR LISTED"	AGE TOO YOUNG; THIS IS THE SIXTH K-AR AGE FOR THE SAME SAMPLE; SEE RECORD #1082
1187	1	156.93	5	biotite	conventional K-Ar	32	"4.72E-04, 0.585E-04, 1.19E-04*"	7.96	18.79	90			age of intrusion		POTASSIUM VALUE CONVERTED FROM 6.61% K; ARGON VALUE CONVERTED FROM 0.0751 PPM.	
1188	1	155	8	biotite	conventional K-Ar	33	"4.72E-04, 0.584E-04, 1.19E-04"						age of intrusion		NO ANALYTICAL DATA GIVEN	
1189	1	12.7		biotite	conventional K-Ar	KA-1268	"4.72E-04, 0.585E-04, 1.19E-04"	8.256		69			age of volcanism		POTASSIUM VALUE IS CONVERTED 6.853% K; ARGON VALUE AND ANALYTICAL ERROR ARE NOT GIVEN	
1190	1	206.74	3	hornblende	conventional K-Ar	YU-N1500	"4.72E-04, 0.584E-04, 1.19E-04*"	0.501	1.58	60			age of intrusion	99% HORNBLENDE HAVING A +100 MESH GRAIN SIZE	POTASSIUM VALUE IS CONVERTED AVERAGE OF 0.414% AND 0.418% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.00630 AND 0.00635 PPM; OTHER RADIOGENIC ARGON VALUE IS 59%	
1191	1	61.76	7	biotite	conventional K-Ar	2	"4.72E-04, 0.584E-04, 1.19E-04*"	5.13	4.64	32			age of intrusion	SAMPLE ALSO DESIGNATED S-EPR40850/1010	POTASSIUM VALUE IS CONVERTED 4.26% K; ARGON VALUE IS CONVERTED 0.0000104 CC/G	
1192	1	176.54	6	biotite	conventional K-Ar	3	"4.72E-04, 0.584E-04, 1.19E-04*"	7.64	20.4	68		Ashley (1973)	age of intrusion	SAMPLE ALSO DESIGNATED S-EPR4085A/875	POTASSIUM VALUE IS CONVERTED 6.34% K; ARGON VALUE IS CONVERTED 0.0000457 CC/G	
1193	1	60.91	2	biotite	conventional K-Ar	20	"4.72E-04, 0.584E-04, 1.19E-04*"	7.4	6.6	57			age not evaluated	SAMPLE ALSO DESIGNATED S-EPR4083B/SCE637	POTASSIUM VALUE IS CONVERTED 6.14% K; ARGON VALUE IS CONVERTED 0.0000148 CC/G	
1194	1	7.83	1.7	whole rock	conventional K-Ar	Y-B1-14	"4.72E-04, 0.584E-04, 1.19E-04*"	1.16	0.131	4			age of volcanism		POTASSIUM VALUE IS CONVERTED AVERAGE OF 0.963% AND 0.967% K; ARGON VALUE IS CONVERTED 0.000000294 CC/G	
1195	1	8.09	2	whole rock	conventional K-Ar	Y-B1-17	"4.72E-04, 0.584E-04, 1.19E-04*"	1.2	0.14	1			age of volcanism		POTASSIUM VALUE IS CONVERTED AVERAGE OF 0.993% AND 1.00% K;  ARGON VALUE IS CONVERTED AVERAGE OF 0.000000265 AND 0.000000361 CC; OTHER RADIOGENIC ARGON VALUE IS 5%	
1196	1	6.99	1.5	whole rock	conventional K-Ar	Y-B1-2	"4.72E-04, 0.584E-04, 1.19E-04*"	1.23	0.124	4			age of volcanism		POTASSIUM VALUE IS CONVERTED AVERAGE OF 1.04% AND 1.01% K; ARGON VALUE IS CONVERTED 0.000000278 CC/G	
1197	1	8.91	1.5	whole rock	conventional K-Ar	Y-B1-1	"4.72E-04, 0.584E-04, 1.19E-04*"	1.19	0.153	5			maximum age of volcanism		POTASSIUM VALUE IS CONVERTED AVERAGE OF 0.999% AND 0.977% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.000000325 AND 0.000000363 CC/G; OTHER RADIOGENIC ARGON VALUE IS 5%	POSSIBLE EXCESS RADIOGENIC ARGON PRESENT; AGE IS GREATER THAN AGE OF UNDERLYING FLOW
1198	1	6.84	0.1	sanidine	conventional K-Ar	Y-TSP	"4.72E-04, 0.584E-04, 1.19E-04*"	6.76	0.667	56			age of volcanism		POTASSIUM VALUE IS CONVERTED AVERAGE OF 5.60% AND 5.62% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.00000151 AND 0.00000148 CC/G; OTHER RADIOGENIC ARGON VALUE IS 69%.	
1198	2	7	0.14	whole rock	conventional K-Ar	Y-TSP	"4.72E-04, 0.584E-04, 1.19E-04*"	5.04	0.509	62			age of volcanism		POTASSIUM VALUE IS CONVERTED AVERAGE OF 4.15% AND 4.22% K; ARGON VALUE IS CONVERTED 0.00000114 CC/G	
1199	1	7.36	0.5	whole rock	conventional K-Ar	Y-58N264	"4.72E-04, 0.584E-04, 1.19E-04*"	4.88	0.518	13			age of volcanism		POTASSIUM VALUE IS CONVERTED AVERAGE OF 4.02% AND 4.08% K; ARGON VALUE IS CONVERTED 0.00000116 CC/G	
1200	1	12.11	0.4	whole rock	conventional K-Ar	Y-B2-7	"4.72E-04, 0.584E-04, 1.19E-04*"	1.56	0.273	27			age of volcanism		"POTASSIUM VALUE IS CONVERTED AVERAGE OF 1.30%, 1.28%, AND 1.31% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.000000633 AND 0.000000589 CC/G; OTHER RADIOGENIC ARGON VALUE IS 36%; INITIAL SR-87/SR-86 RATIO IS 0.7043 +/- 0.0007"	
1201	1	13.31	1.2	whole rock	conventional K-Ar	Y-B2-3	"4.72E-04, 0.584E-04, 1.19E-04*"	1.68	0.323	8			age of volcanism		POTASSIUM VALUE IS CONVERTED AVERAGE OF 1.40% AND 1.39% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.00000067 AND 0.00000078 CC/G; OTHER RADIOGENIC ARGON VALUE IS 6%	
1202	1	13.8	3	whole rock	conventional K-Ar	Y-5813	"4.72E-04, 0.584E-04, 1.19E-04*"	0.752	0.15	2			age of volcanism		POTASSIUM VALUE IS CONVERTED AVERAGE OF 0.617% AND 0.632% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.00000026 AND 0.00000042 CC/G; OTHER RADIOGENIC ARGON VALUE IS 3%.	
1203	1	12.25	0.5	whole rock	conventional K-Ar	Y-58441	"4.72E-04, 0.584E-04, 1.19E-04*"	2.09	0.37	16			age of volcanism		"POTASSIUM VALUE IS CONVERTED AVERAGE OF 1.74%, 1.72%, AND 1.74% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.00000083 AND 0.00000085 CC/G; OTHER RADIOGENIC ARGON VALUE IS 8%."	
1204	1	16.25	2	whole rock	conventional K-Ar	Y-5780	"4.72E-04, 0.584E-04, 1.19E-04*"	2.43	0.571	5			age of volcanism		"POTASSIUM VALUE IS CONVERTED AVERAGE OF 2.03%, 2.00%, AND 2.02% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.00000124 AND 0.00000132 CC/G; OTHER RADIOGENIC ARGON VALUE IS 5%."	
1205	1	18.48	3	whole rock	conventional K-Ar	Y-57233	"4.72E-04, 0.584E-04, 1.19E-04*"	2.46	0.658	6			age of volcanism		POTASSIUM VALUE IS CONVERTED AVERAGE OF 2.06% AND 2.03% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.00000146 AND 0.00000149 CC/G; OTHER RADIOGENIC ARGON VALUE IS 3%.	
1206	1	19.41	1.5	whole rock	conventional K-Ar	Y-B3-13	"4.72E-04, 0.584E-04, 1.19E-04*"	1.89	0.531	8			age of volcanism		POTASSIUM VALUE IS CONVERTED AVERAGE OF 1.56% AND 1.58% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.00000115 AND 0.00000123 CC/G; OTHER RADIOGENIC ARGON VALUE IS 9%; INITIAL SR-87/SR-86 RATIO IS 0.7052 +/- 0.0007	
1207	1	22.4	1.1	plagioclase	conventional K-Ar	Y-58N260	"4.72E-04, 0.584E-04, 1.19E-04*"	0.789	0.256	20			age of volcanism		POTASSIUM VALUE IS CONVERTED AVERAGE OF 0.650% AND 0.660% K; ARGON VALUE IS CONVERTED 0.000000574 CC/G	
1207	2	22.35	0.3	biotite	conventional K-Ar	Y-58N260	"4.72E-04, 0.584E-04, 1.19E-04*"	8.31	2.69	54			age of volcanism		POTASSIUM VALUE IS CONVERTED AVERAGE OF 6.90% AND 6.90% K; ARGON VALUE IS CONVERTED AVERAGE OF 0.00000612 AND 0.00000592 CC/G;  OTHER RADIOGENIC ARGON VALUE IS 63%.	
1208	1	19.57	0.4	adularia	conventional K-Ar	USGS(M)-TV-1	"4.72E-04, 0.585E-04, 1.19E-04*"	12.07	3.419	83						AGE OF MINERALIZATION
1209	1	20.95	0.6	biotite	conventional K-Ar	USGS(M)-T219	"4.72E-04, 0.585E-04, 1.19E-04*"	7.71	2.339	69			age of volcanism			
1218	1	7.17	0.2	glass	conventional K-Ar	BLACK BALLS	"4.72E-04, 0.585E-04, 1.19E-04*"	4.52	0.4672	37			minimum age of volcanism	NONHYDRATED OBSIDIAN		
1219	1	8.05	0.2	adularia	conventional K-Ar	GLA-1	"4.72E-04, 0.585E-04, 1.19E-04*"	12.09	1.405	69				"X-RAY DIFFRACTION ANALYSIS ACCORDING TO THE THREE-REFLECTION METHOD (WRIGHT, 1968) INDICATED A SANIDINE STRUCTURE FOR THE FELDSPAR."		AGE OF MINERALIZATION
1220	1	15.53	0.5	biotite	conventional K-Ar	GL-2	"4.72E-04, 0.585E-04, 1.19E-04*"	8.39	1.884	66		Silberman and McKee (1972)	age of volcanism			"AGE IS TOO YOUNG, SEE BIOTITE AGE"
1220	2	14	0.4	plagioclase	conventional K-Ar	GL-2	"4.72E-04, 0.585E-04, 1.19E-04*"	0.81	0.1639	63		Silberman and McKee (1972)		PLAGIOCLASE HAS THIN COATING OF IRON OXIDE ON FRACTURES AND PARTINGS AND HAS GLASS INCLUSIONS.		
1221	1	198	4	sericite	conventional K-Ar	GL-15	"4.72E-04, 0.585E-04, 1.19E-04*"	6.75	20.37	98			age not evaluated			
1222	1	80.2	2.3	muscovite	conventional K-Ar	REDLICH	"4.72E-04, 0.585E-04, 1.19E-04*"	10.94	12.92	85			minimum age of intrusion			
1223	1	79.22	2.3	biotite	conventional K-Ar	HALL-B	"4.72E-04, 0.585E-04, 1.19E-04*"	6.95	8.103	95			age of intrusion			ALSO THE TIME OF MINERALIZATION
1224	1	10.8	0.3	sanidine	conventional K-Ar	K-1	"4.72E-04, 0.585E-04, 1.19E-04*"	11.66	1.818	79			age of volcanism			
1225	1	106.79	2	muscovite	conventional K-Ar	MG-1	"4.72E-04, 0.585E-04, 1.19E-04*"	10.26	16.25	88			age of intrusion			
1226	1	115.77	3	hornblende	conventional K-Ar	GB-1	"4.72E-04, 0.585E-04, 1.19E-04*"	0.84	1.446	85			age not evaluated			
1227	1	72.81	1.4	muscovite	conventional K-Ar	SPR-1	"4.72E-04, 0.585E-04, 1.19E-04*"	11.06	11.83	80			age of intrusion			
1228	1	70.99	1.4	biotite	conventional K-Ar	SPR-1A	"4.72E-04, 0.585E-04, 1.19E-04*"	9.16	9.548	82			age of intrusion			
1229	1	15.09	0.3	sanidine	conventional K-Ar	MILLER-1	"4.72E-04, 0.585E-04, 1.19E-04*"	11.6	2.53	8378			age of volcanism		ARGON VALUE IS AVERAGE OF REPLICATE ANALYSES	
1230	1	17.16	0.5	biotite	conventional K-Ar	USGS(M)-12789-75	"4.72E-04, 0.585E-04, 1.19E-04*"	8.41	2.088	79			age of volcanism	MAP LOCATION NO. 79		
1230	2	17.21	0.5	hornblende	conventional K-Ar	USGS(M)-12789-75	"4.72E-04, 0.585E-04, 1.19E-04*"	0.815	0.2029	43			age of volcanism	MAP LOCATION NO. 79	ARGON VALUE IS AVERAGE OF REPLICATE ANALYSES; OTHER RADIOGENIC ARGON VALUE IS 42%	
1231	1	17.57	0.3	biotite	conventional K-Ar	USGS(M)-11549-1	"4.72E-04, 0.585E-04, 1.19E-04*"	8.74	2.222	62		Bonham and others (1972)	age of volcanism	MAP LOCATION NO. 84		
1231	2	17.31	0.3	sanidine	conventional K-Ar	USGS(M)-11549-1	"4.72E-04, 0.585E-04, 1.19E-04*"	11.11	2.782	54			age of volcanism	MAP LOCATION NO. 84		
1232	1	15.86	1.6	biotite	conventional K-Ar	AD-34	"4.72E-04, 0.585E-04, 1.19E-04*"	7.05	1.617	10			age of volcanism	MAP LOCATION NO. 85	ARGON VALUE IS AVERAGE OF 3 ANALYSES; OTHER RADIOGENIC ARGON VALUES ARE 11% AND 7%	
1233	1	14.59	0.3	biotite	conventional K-Ar	USGS(M)-164-69	"4.72E-04, 0.585E-04, 1.19E-04*"	8.57	1.807	63			age of volcanism	MAP LOCATION NO. 97		"AGE OF 14.6+/-2.4 M.Y. ON PLAGIOCLASE REPORTED FOR THIS SAMPLE IN ASHLEY AND SILBERMAN, 1976"
1234	1	18.26	0.4	biotite	conventional K-Ar	USGS(M)-164-15	"4.72E-04, 0.585E-04, 1.19E-04*"	7.83	2.069	38			age of volcanism	MAP LOCATION NO. 98		
1235	1	4.56	0.2	biotite	conventional K-Ar	SAMPLE PIGEON SPRING	"4.72E-04, 0.585E-04, 1.19E-04*"	5.79	0.381	42			age of volcanism			"AGE WAS FIRST PUBLISHED BY MCKEE, E.H., 1968, GEOLOGY OF THE MAGRUDER MOUNTAIN AREA, NEVADA-CALIFORNIA:  U. S. GEOL. SURVEY BULL. 1251-H, ON PAGE H26, BUT NO LOCATION OR ANALYTICAL DATA GIVEN."
1236	1	15.47	0.6	biotite	conventional K-Ar	GILBERT	"4.72E-04, 0.585E-04, 1.19E-04*"	8.12	1.816	66		Silberman and others (1975)	age of volcanism	MAP LOCATION NO. 67		"AGE ALSO PUBLISHED BY ALBERS, J.P., AND STEWART, J.H., 1972, GEOLOGY AND MINERAL DEPOSITS OF ESMERALDA COUNTY, NEVADA:  NEVADA BUR. MINES AND GEOLOGY BULL., NO. 78."
1237	1	16.6	0.4	sanidine	conventional K-Ar	659-66	"4.72E-04, 0.585E-04, 1.19E-04*"	10.9	2.617	94			age of volcanism	MAP LOCATION NO. 86		"AGE ALSO PUBLISHED BY ALBERS, J.P., AND STEWART, J.H., 1972, GEOLOGY AND MINERAL DEPOSITS OF ESMERALDA COUNTY, NEVADA:  NEVADA BUR. MINES AND GEOLOGY BULL., NO. 78."
1237	2	16.66	0.4	biotite	conventional K-Ar	659-66	"4.72E-04, 0.585E-04, 1.19E-04*"	7.77	1.872	62			age of volcanism	MAP LOCATION NO. 86		"AGE ALSO PUBLISHED BY ALBERS, J.P., AND STEWART, J.H., 1972, GEOLOGY AND MINERAL DEPOSITS OF ESMERALDA COUNTY, NEVADA:  NEVADA BUR. MINES AND GEOLOGY BULL., NO. 78."
1238	1	22.15	0.5	biotite	conventional K-Ar	97VV-5	"4.72E-04, 0.585E-04, 1.19E-04*"	5.65	1.813	75			age of volcanism	MAP LOCATION NO. 102		"AGE ALSO PUBLISHED BY ALBERS, J.P., AND STEWART, J.H., 1972, GEOLOGY AND MINERAL DEPOSITS OF ESMERALDA COUNTY, NEVADA:  NEVADA BUR. MINES AND GEOLOGY BULL. NO. 78."
1238	2	21.3	0.7	augite-ferroaugite	conventional K-Ar	97VV-5	"4.72E-04, 0.585E-04, 1.19E-04*"	0.962	0.2967	54			age of volcanism	MAP LOCATION NO. 102		"AGE ALSO PUBLISHED BY ALBERS, J.P., AND STEWART, J.H., 1972, GEOLOGY AND MINERAL DEPOSITS OF ESMERALDA COUNTY, NEVADA:  NEVADA BUR. MINES AND GEOLOGY BULL. NO. 78."
1239	1	22.01	0.5	augite-ferroaugite	conventional K-Ar	97VV-299	"4.72E-04, 0.585E-04, 1.19E-04*"	0.853	0.272	58			age of volcanism			"AGE ALSO PUBLISHED BY ALBERS, J.P., AND STEWART, J.H., 1972, GEOLOGY AND MINERAL DEPOSITS OF ESMERALDA COUNTY, NEVADA:  NEVADA BUR. MINES AND GEOLOGY BULL. NO. 78."
1240	1	21.1	0.4	biotite	conventional K-Ar	228-1	"4.72E-04, 0.585E-04, 1.19E-04*"	8.465	2.587	53			age of volcanism		POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES.	
1240	2	21.17	0.4	sanidine	conventional K-Ar	228-1	"4.72E-04, 0.585E-04, 1.19E-04*"	12.3	3.771	89			age of volcanism		REPLICATE POTASSIUM ANALYSES	
1241	1	21.73	0.4	biotite	conventional K-Ar	Y-47	"4.72E-04, 0.585E-04, 1.19E-04*"	8.23	2.59	76		Ashley (1973)	age of volcanism		POTASSIUM VALUE IS AVERAGE OF FOUR DETERMINATIONS	
1242	1	21.89	0.4	biotite	conventional K-Ar	203-11	"4.72E-04, 0.585E-04, 1.19E-04*"	8.42	2.67	74		Ashley (1973)	age of volcanism		POTASSIUM VALUE IS AVERAGE OF FOUR ANALYSES	
1243	1	21.27	0.4	alunite	conventional K-Ar	199-127	"4.72E-04, 0.585E-04, 1.19E-04*"	7.97	2.455	49					REPLICATE POTASSIUM ANALYSES	"AGE OF MINERALIZATION; AGE OF 21.0 +/- 0.4 REPORTED FOR THIS SAMPLE BASED ON SECOND ARGON ANALYSIS BY ASHLEY AND SILBERMAN, 1976"
1244	1	21.6	0.3	biotite	conventional K-Ar	644-3-B	"4.72E-04, 0.584E-04, 1.19E-04*"	8.69	2.718	70			age of volcanism	MAP LOCATION NO. 29	POTASSIUM VALUE IS CONVERTED 7.21% K; ARGON VALUE COMPUTED BY COMPILER	
1245	1	6.27	0.3	biotite	conventional K-Ar	5	"4.72E-04, 0.585E-04, 1.19E-04*"	8.6	0.778	41			age of volcanism		REPLICATE POTASSIUM ANALYSES	
1246	1	6.2	0.5	biotite	conventional K-Ar	6	"4.72E-04, 0.585E-04, 1.19E-04*"	8.48	0.758	28			age of volcanism		REPLICATE POTASSIUM ANALYSES	
1247	1	4.95	0.6	whole rock	conventional K-Ar	7	"4.72E-04, 0.585E-04, 1.19E-04*"	2.55	0.182	8			age of volcanism		REPLICATE POTASSIUM ANALYSES	
1248	1	6.09	0.2	biotite	conventional K-Ar	8	"4.72E-04, 0.585E-04, 1.19E-04*"	8.29	0.728	50			age of volcanism		REPLICATE POTASSIUM ANALYSES	
1249	1	21.5	1	biotite	conventional K-Ar	12	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
1250	1	6.9	0.3	biotite	conventional K-Ar	13	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
1251	1	23.34	1	biotite	conventional K-Ar	14	"4.72E-04, 0.585E-04, 1.19E-04*"	7.88	2.665	63			age of volcanism		REPLICATE POTASSIUM ANALYSES	
1304	1	0.18	0.01	glass	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism			
1305	1	10.7	0.5	whole rock	conventional K-Ar	8	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		"ANALYICAL DATA NOT PUBLISHED.  IT IS GIVEN IN--BUFFLER, R.T., 1967, THE BROWNS PARK FORMATION AND ITS RELATIONSHIP TO THE LATE TERTIARY GEOLOGIC HISTORY OF THE ELKHEAD REGION, NORTHWESTERN COLORADO-SOUTH-CENTRAL WYOMING (PH. D. THESIS):  UNIV. CALIFORNIA,"	
1306	1	69.02	0.7	biotite	conventional K-Ar	2	"4.72E-04, 0.584E-04, 1.19E-04*"	8.48	8.59	93			age of volcanism		POTASSIUM CONTENT CONVERTED TO POTASSIUM OXIDE--COMPILER	
1307	1	70.12	0.7	biotite	conventional K-Ar	3	"4.72E-04, 0.584E-04, 1.19E-04*"	8.18	8.42	87			age of volcanism		POTASSIUM CONTENT CONVERTED TO POTASSIUM OXIDE--COMPILER	
1308	1	96.59	2.6	biotite	conventional K-Ar	15	"4.72E-04, 0.584E-04, 1.19E-04*"	5.81	8.3	96			age of volcanism		POTASSIUM CONTENT CONVERTED TO POTASSIUM OXIDE--COMPILER	
1308	2	93.61	0.9	biotite	conventional K-Ar	15	"4.72E-04, 0.584E-04, 1.19E-04*"	5.87	8.12	96			age of volcanism		POTASSIUM CONTENT CONVERTED TO POTASSIUM OXIDE--COMPILER	
1308	3	92.78	0.9	biotite	conventional K-Ar	15	"4.72E-04, 0.584E-04, 1.19E-04*"	5.88	8.06	94			age of volcanism		POTASSIUM CONTENT CONVERTED TO POTASSIUM OXIDE--COMPILER	
1309	1	94.34	0.9	biotite	conventional K-Ar	16	"4.72E-04, 0.584E-04, 1.19E-04*"	5.25	7.32	90			age of volcanism		POTASSIUM CONTENT CONVERTED TO POTASSIUM OXIDE--COMPILER	
1310	1	2206.86	110	biotite	conventional K-Ar	WIND RIVER NO. 1	"4.72E-04, 0.585E-04, 1.19E-04*"	9.52	593	100			minimum age of intrusion		2.37 PPM RADIOGENIC ARGON	
1310	2	2629.52	130	hornblende	conventional K-Ar	WIND RIVER NO. 1	"4.72E-04, 0.585E-04, 1.19E-04*"	0.93	79.6	100			age of intrusion	SOME BIOTITE PRESENT IN HORNBLENDE CONCENTRATE	0.318 PPM RADIOGENIC  ARGON	
1311	1	1425.03	70	biotite	conventional K-Ar	WIND RIVER NO. 2	"4.72E-04, 0.585E-04, 1.19E-04*"	5.12	160	99			age not evaluated		0.641 PPM RADIOGENIC ARGON	
1312	1	2.5		Unk	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		ANALYTICAL DATA NOT GIVEN	
1313	1	32.2	2	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		ANALYTICAL DATA NOT GIVEN	
1314	1	33.9	3.4	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		ANALYTICAL DATA NOT GIVEN	
1315	1	46.2	1.5	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		ANALYTICAL DATA NOT GIVEN	
1316	1	35.8	0.8	biotite	conventional K-Ar	71-0-14	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
1317	1	43.1	1.1	Unk	conventional K-Ar	71-0-12	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
1318	1	49.2	0.5	biotite	conventional K-Ar	L72-132	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
1320	1	32	0.9	Unk	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"						age meaning uncertain (geologic factors)	PROBABLY BIOTITE CONCENTRATE	NO ANALYTICAL DATA GIVEN	
1338	1	0.11	0	glass	conventional K-Ar	OCB-66-09	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN; ANALYTICAL ERROR LISTED AS +/- 0.0026 M.Y.	BEST WEIGHTED AGE IS 0.1145 M.Y.
1338	2	0.12		sanidine	conventional K-Ar	OCB-66-09	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN; ANALYTICAL ERROR LISTED AS +/- 0.0024 M.Y.	BEST WEIGHTED AGE IS 0.1145 M.Y.
1338	3	0.13	0.06	sanidine	conventional K-Ar	OCB-66-09	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN; ANALYTICAL ERROR LISTED AS +/- 0.059 M.Y.	BEST WEIGHTED AGE IS 0.1145 M.Y.
1339	1	0.12		sanidine	conventional K-Ar	YG-72-5	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN; ANALYTICAL ERROR LISTED AS +/- 0.0059 M.Y.	BEST WEIGHTED AGE IS 0.1145 M.Y.
1339	2	0.12		glass	conventional K-Ar	YG-72-5	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN; ANALYTICAL ERROR LISTED AS +/- 0.0036 M.Y.	BEST WEIGHTED AGE IS 0.1145 M.Y.
1340	1	0.18	0	glass	conventional K-Ar	OCB-66-06	"4.72E-04, 0.584E-04, 1.19E-04"					Friedman and others (1973)	age of volcanism		NO ANALYTICAL DATA GIVEN	
1341	1	2		sanidine	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
1342	1	1.2		sanidine	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
1343	1	0.6		sanidine	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
1344	1	1.6		sanidine	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
1345	1	0.79		sanidine	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
1346	1	0.64		sanidine	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
1347	1			Unk	conventional K-Ar	(NOT GIVEN)	no decay constants given*							"SANIDINE, PLAGIOCLASE, AND NONHYDRATED GLASS WERE DATED"	NO ANALYTICAL DATA GIVEN	AN AGE RANGE OF 0.6 TO 0.53 M.Y. WAS OBTAINED.  ONE SAMPLE GAVE AN AGE OF 0.26 M.Y.
1348	1			sanidine	conventional K-Ar	(NOT GIVEN)	no decay constants given*								NO ANALYTICAL DATA GIVEN	AGES RANGE FROM 0.2 TO 0.07 M.Y.
1349	1	0.18		sanidine	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
1350	1	0.16		glass	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
1351	1	0.07		glass	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
1352	1	0.4		glass	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
1353	1	0.29		sanidine	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04"						maximum age of volcanism		NO ANALYTICAL DATA GIVEN	
1401	1	2310	55	biotite	conventional K-Ar	GM-98-68	"4.962E-04, 0.581E-04, 1.1167E-04"	8.99	604.7	99			initial age disturbed by later metamorphism			
1405	1	2680	160	hornblende	conventional K-Ar	FCA-R-1	"4.962E-04, 0.581E-04, 1.1167E-04"	0.895	79.18	96			minimum age of metamorphic crystallization			
1407	1	1570	50	biotite	conventional K-Ar	GM-56	"4.962E-04, 0.581E-04, 1.1167E-04"	8.36	301.2	99						"AGE INDICATES THAT ROCK REMAINED UNDER OPEN-STATE CONDITIONS FOR MILLIONS OF YEARS, PROBABLY DUE TO HIGH THERMAL CONDITIONS DEEP IN THE CRUST"
1417	1	1780	40	biotite	conventional K-Ar	D1686	"4.962E-04, 0.581E-04, 1.1167E-04"	5.4	236.1	99			initial age disturbed by later metamorphism			
1428	1	2460	45	actinolite	39Ar-40Ar total fusion	D1784	"4.962E-04, 0.581E-04, 1.1167E-04"						maximum age of intrusion	NEPHRITE IS A VARIETY OF ACTINOLITE	SEE ARTICLE FOR ANALYTICAL DATA	
1428	2	2560	45	actinolite	39Ar-40Ar total fusion	D1784	"4.962E-04, 0.581E-04, 1.1167E-04"						age of intrusion	NEPHRITE IS A VARIETY OF ACTINOLITE		
1429	1	2650	130	labrodorite	39Ar-40Ar total fusion	GM-106-69	"4.962E-04, 0.581E-04, 1.1167E-04"						age of intrusion		SEE ARTICLE FOR ANALYTICAL DATA	
1430	1	65.85	0.7	biotite	conventional K-Ar	1	"4.72E-04, 0.584E-04, 1.19E-04*"	8.43	8.14	97			age of volcanism			
1431	1	73.19	0.7	biotite	conventional K-Ar	4	"4.72E-04, 0.584E-04, 1.19E-04*"	5.31	5.71	94			age of volcanism			
1432	1	74.43	2.2	biotite	conventional K-Ar	5	"4.72E-04, 0.584E-04, 1.19E-04*"	8.3	9.08	96			age of volcanism			
1432	2	74.31	0.7	biotite	conventional K-Ar	5	"4.72E-04, 0.584E-04, 1.19E-04*"	8.24	9	96			age of volcanism			
1432	3	72.93	0.7	sanidine	conventional K-Ar	5	"4.72E-04, 0.584E-04, 1.19E-04*"	11.46	12.28	80			age of volcanism			SAMPLE GAVE AN INITIAL AGE OF 75.2 +/- 2.3 M.Y. BUT THIS AGE WAS DUE TO EXTRANEOUS GRAINS OF K-FELDSPAR
1433	1	79.95	1.6	biotite	conventional K-Ar	8	"4.72E-04, 0.584E-04, 1.19E-04*"	8.08	9.51	97			age of volcanism			
1433	2	79.79	0.8	biotite	conventional K-Ar	8	"4.72E-04, 0.584E-04, 1.19E-04*"	8.08	9.49	94			age of volcanism			
1434	1	79.26	0.8	biotite	conventional K-Ar	9	"4.72E-04, 0.584E-04, 1.19E-04*"	8.53	9.95	95			age of volcanism			
1435	1	80.05	0.8	biotite	conventional K-Ar	10	"4.72E-04, 0.584E-04, 1.19E-04*"	8.35	9.84	96			age of volcanism			
1436	1	84.44	0.8	biotite	conventional K-Ar	11	"4.72E-04, 0.584E-04, 1.19E-04*"	7.77	9.67	97			age of volcanism			
1437	1	79.82	0.8	biotite	conventional K-Ar	12	"4.72E-04, 0.584E-04, 1.19E-04*"	5.43	6.38	92			age of volcanism			AGE MAY BE LOW
1438	1	89.1	1.7	biotite	conventional K-Ar	13	"4.72E-04, 0.584E-04, 1.19E-04*"	6.73	8.85	92			age of volcanism			
1438	2	88.81	0.9	biotite	conventional K-Ar	13	"4.72E-04, 0.584E-04, 1.19E-04*"	6.73	8.82	93			age of volcanism			
1439	1	91.09	0.9	biotite	conventional K-Ar	14	"4.72E-04, 0.584E-04, 1.19E-04*"	4.55	6.12	92			age of volcanism			
1440	1	97.46	1	biotite	conventional K-Ar	17	"4.72E-04, 0.584E-04, 1.19E-04*"	7.47	10.77	96			age of volcanism			
1440	2	97.49	1	sanidine	conventional K-Ar	17	"4.72E-04, 0.584E-04, 1.19E-04*"	11.42	16.47	97			age of volcanism			
1441	1	124.08	10	hornblende	conventional K-Ar	K-1H	"4.72E-04, 0.584E-04, 1.19E-04*"	3.45	6.38	43			"sample contains inherited material, age is too old"			"SUBSEQUENT K-AR DATING INDICATES THAT THE DIKE IS EOCENE IN AGE (SEE MARVIN, WITKIND, KEEFER, AND MEHNERT, 1973)"
1442	1	1465.32	30	hornblende	conventional K-Ar	K-2H	"4.72E-04, 0.584E-04, 1.19E-04*"	1.18	38.4	87			initial age disturbed by later metamorphism			
1443	1	1426.3	30	hornblende	conventional K-Ar	K-3H	"4.72E-04, 0.584E-04, 1.19E-04*"	1.24	38.8	84			initial age disturbed by later metamorphism			
1444	1	1385.19	30	biotite	conventional K-Ar	K-4B	"4.72E-04, 0.584E-04, 1.19E-04*"	3.6	108	87			initial age disturbed by later metamorphism			
1444	2	1480.54	30	hornblende	conventional K-Ar	K-4H	"4.72E-04, 0.584E-04, 1.19E-04*"	1.58	52.2	95			initial age disturbed by later metamorphism			
1445	1	1720.68	35	biotite	conventional K-Ar	K-5B	"4.72E-04, 0.584E-04, 1.19E-04*"	5.14	213	99			initial age disturbed by later metamorphism			
1445	2	1816.48	35	hornblende	conventional K-Ar	K-5H	"4.72E-04, 0.584E-04, 1.19E-04*"	1.72	77.6	97			age of metamorphic crystallization			
1446	1	1695.88	35	biotite	conventional K-Ar	K-10B	"4.72E-04, 0.584E-04, 1.19E-04*"	3.85	156	98			initial age disturbed by later metamorphism			
1446	2	1776.4	35	hornblende	conventional K-Ar	K-10H	"4.72E-04, 0.584E-04, 1.19E-04*"	1.66	72.3	95			minimum age of metamorphic crystallization			
1447	1	1738.32	35	hornblende	conventional K-Ar	10H	"4.72E-04, 0.584E-04, 1.19E-04*"	1.76	74.1	88			initial age disturbed by later metamorphism			
1448	1	1610.65	30	hornblende	conventional K-Ar	11H	"4.72E-04, 0.584E-04, 1.19E-04*"	2.55	95.5	84			initial age disturbed by later metamorphism			
1449	1	1501.25	30	biotite	conventional K-Ar	14B	"4.72E-04, 0.584E-04, 1.19E-04*"	6.91	233	99			initial age disturbed by later metamorphism			
1450	1	1560.85	35	hornblende	conventional K-Ar	15H	"4.72E-04, 0.584E-04, 1.19E-04*"	1.45	51.8	98			initial age disturbed by later metamorphism			
1451	1	1618.54	30	hornblende	conventional K-Ar	34H	"4.72E-04, 0.584E-04, 1.19E-04*"	2.73	103	97			initial age disturbed by later metamorphism			
1452	1	33.2	3	muscovite	conventional K-Ar	100 MU	"4.72E-04, 0.584E-04, 1.19E-04*"	10.26	4.95	76			initial age disturbed by later metamorphism			
1491	1	2631.87	135	hornblende	conventional K-Ar	2	"4.72E-04, 0.584E-04, 1.18E-04*"	0.645	55.3	96			age of intrusion		K2O AND 40AR CONVERTED BY COMPILER	
1492	1	1535.14	77	biotite	conventional K-Ar	3	"4.72E-04, 0.584E-04, 1.18E-04*"	8.41	293.1	93			initial age disturbed by later metamorphism		K2O AND 40AR CONVERTED BY COMPILER	"AGE LOWERED BY DULUTH GABBRO, 2.7 KM AWAY"
1492	2	2483.04	125	hornblende	conventional K-Ar	3	"4.72E-04, 0.584E-04, 1.18E-04*"	1.19	91.5	97			age of intrusion		K2O AND 40AR CONVERTED BY COMPILER	
1493	1	2715.24	140	hornblende	conventional K-Ar	6	"4.72E-04, 0.584E-04, 1.18E-04*"	0.49	44.6	93			age of intrusion		K2O AND 40AR CONVERTED BY COMPILER	
1494	1	2557.57	130	hornblende	conventional K-Ar	8	"4.72E-04, 0.584E-04, 1.18E-04*"	1.22	99.1	98			age meaning uncertain (geologic factors)		K2O AND 40AR CONVERTED BY COMPILER	POSSIBLE THERMAL DISTURBANCE 1700-1800 M.Y. AGO
1495	1	1792.22	90	hornblende	conventional K-Ar	11	"4.72E-04, 0.584E-04, 1.18E-04*"	1.08	47.7	84		Goldich and others (1961)			K2O AND 40AR CONVERTED BY COMPILER	
1496	1	1280.79	70	whole rock	conventional K-Ar	12	"4.72E-04, 0.584E-04, 1.18E-04*"	0.931	25	85			minimum age of intrusion		K2O AND 40AR CONVERTED BY COMPILER	AGE MAY BE LOW DUE TO AR-DIFFUSION
1497	1	1457.87	75	whole rock	conventional K-Ar	13	"4.72E-04, 0.584E-04, 1.18E-04*"	2.39	77.2	98			minimum age of intrusion		K2O AND 40AR CONVERTED BY COMPILER	AGE MAY BE LOW DUE TO AR-DIFFUSION
1498	1	1567.87	80	whole rock	conventional K-Ar	14	"4.72E-04, 0.584E-04, 1.18E-04*"	0.684	24.6	91			minimum age of intrusion		K2O AND 40AR CONVERTED BY COMPILER	AGE MAY BE LOW DUE TO AR-DIFFUSION
1499	1	2113.67	110	whole rock	conventional K-Ar	15	"4.72E-04, 0.584E-04, 1.18E-04*"	0.548	31.7	94			age of intrusion		K2O AND 40AR CONVERTED BY COMPILER	
1499	2	2032.91	50	whole rock	conventional K-Ar	15	"4.72E-04, 0.584E-04, 1.18E-04*"	0.79	42.8	99			age of intrusion		K2O AND 40AR CONVERTED BY COMPILER	
1500	1	1738.69	90	hornblende	conventional K-Ar	16	"4.72E-04, 0.584E-04, 1.18E-04*"	0.964	40.6	96			age of intrusion		K2O AND 40AR CONVERTED BY COMPILER	
1559	1	1132.09		microcline	conventional K-Ar	MICROCLINE 3	"4.72E-04, 0.585E-04, 1.19E-04*"	11.82	268	93		Wasserburg and others (1956)	age not evaluated			AGE TOO YOUNG
1560	1	41.7		biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.04	5.49	18			minimum age of intrusion			
1560	2	41.02		biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.04	5.4	72			minimum age of intrusion			
1561	1	1330.03		K feldspar	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.9	252	88			minimum age of intrusion			
1561	2	1344.9		K feldspar	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.9	256	79			minimum age of intrusion			
1562	1	1630.36		biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.07	346	98			minimum age of metamorphic crystallization			
1563	1	1773.84		K feldspar	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.55	415	98			minimum age of metamorphic crystallization			
1564	1	2439.97		hornblende	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.56	41.7	94			minimum age of metamorphic crystallization			
1566	1	1690		muscovite	conventional K-Ar	1	no decay constants given*	10.1	406				minimum age of intrusion			
1566	2	1223.92		microcline	conventional K-Ar	2	no decay constants given*	9.598	242							AGE TOO YOUNG; MICROCLINE HAS LEAKED ARGON
1566	3	1165		microcline	conventional K-Ar	3	no decay constants given	11.65	275							AGE TOO YOUNG; MICROCLINE HAS LEAKED ARGON
1567	1	1157.88		whole rock	conventional K-Ar	4	no decay constants given*	4.92	115							AGE TOO YOUNG; K-FELDSPAR LEAKED ARGON
1568	1	259		muscovite	conventional K-Ar	1	"4.962E-04, 0.581E-04, 1.1167E-04"	10.17	40.8				age of intrusion		AGE RE-CALCULATED WITH NEW DECAY CONSTANTS-COMPILER	
1568	2	212		microcline	conventional K-Ar	2	"4.962E-04, 0.581E-04, 1.1167E-04"	12.66	41							AGE TOO YOUNG; MICROCLINE LEAKED ARGON
1569	1	260		muscovite	conventional K-Ar	3	"4.962E-04, 0.581E-04, 1.1167E-04"	10.14	40.8				age of intrusion		AGE RE-CALCULATED WITH NEW DECAY CONSTANTS-COMPILER	
1570	1	255		muscovite	conventional K-Ar	4	"4.962E-04, 0.581E-04, 1.1167E-04"	10.19	40.2				age of intrusion		AGE RE-CALCULATED WITH NEW DECAY CONSTANTS--COMPILER	
1570	2	213		microcline	conventional K-Ar	2	"4.962E-04, 0.581E-04, 1.1167E-04"	13.61	44.4						AGE RE-CALCULATED WITH NEW DECAY CONSTANTS--COMPILER	AGE TOO YOUNG; MICROCLINE LEAKED ARGON
1572	1	375		muscovite	conventional K-Ar	6	"4.962E-04, 0.581E-04, 1.1167E-04"	10.14	60.8				age of intrusion		AGE RE-CALCULATED WITH NEW DECAY CONSTANTS--COMPILER	
1572	2	277		microcline	conventional K-Ar	7	"4.962E-04, 0.581E-04, 1.1167E-04"	11.79	50.9						AGE RE-CALCULATED WITH NEW DECAY CONSTANTS--COMPILER	AGE TOO YOUNG; MICROCLINE LEAKED ARGON
1573	1	283		microcline	conventional K-Ar	8	"4.962E-04, 0.581E-04, 1.1167E-04"	13.4	59.1						AGE RE-CALCULATED WITH NEW DECAY CONSTANTS--COMPILER	AGE TOO YOUNG; MICROCLINE LEAKED ARGON
1574	1	449.64		glauconite	conventional K-Ar	1	no decay constants given*	6.23	45.8				age not evaluated			
1575	1	386.1		K feldspar	conventional K-Ar	2	no decay constants given*	13.31	82.5				age not evaluated	AUTHIGENIC FELDSPAR		
1576	1	70.52		glauconite	conventional K-Ar	3	no decay constants given*	6.51	6.74				age not evaluated			
1577	1	51.15		glauconite	conventional K-Ar	4	no decay constants given*	7.23	5.4				age not evaluated			
1636	1	256.16	13	biotite	conventional K-Ar	N-A1	"4.72E-04, 0.585E-04, 1.19E-04*"	8.02	31.78	97			age of later metamorphism			
1638	1	258.15	13	biotite	conventional K-Ar	1737	"4.72E-04, 0.585E-04, 1.19E-04*"	9.08	36.28	95			age of intrusion			
1640	1	353.5	17	hornblende	conventional K-Ar	688	"4.72E-04, 0.585E-04, 1.19E-04*"	0.45	2.53	89			age meaning uncertain (geologic factors)			
1641	1	246.9	12	biotite	conventional K-Ar	1325	"4.72E-04, 0.585E-04, 1.19E-04*"	8.08	30.78	97			age of later metamorphism			
1642	1	288.26	14	hornblende	conventional K-Ar	2073	"4.72E-04, 0.585E-04, 1.19E-04*"	0.24	1.08	77			age meaning uncertain (geologic factors)			
1643	1	240.56	12	biotite	conventional K-Ar	1958	"4.72E-04, 0.585E-04, 1.19E-04*"	9.59	35.53	95			age of later metamorphism			
1644	1	250.16	12	muscovite	conventional K-Ar	1337	"4.72E-04, 0.585E-04, 1.19E-04*"	6.8	26.27	93			age of later metamorphism			
1644	2	222.62	12	biotite	conventional K-Ar	1337	"4.72E-04, 0.585E-04, 1.19E-04*"	7.71	26.3	96			age of later metamorphism			
1645	1	248.95	12	muscovite	conventional K-Ar	1902	"4.72E-04, 0.585E-04, 1.19E-04*"	9.44	36.28	93			age of later metamorphism			
1645	2	233.76	11	biotite	conventional K-Ar	1902	"4.72E-04, 0.585E-04, 1.19E-04*"	5.26	18.9	92			age of later metamorphism			
1651	1	250.2	12	muscovite	conventional K-Ar	1709	"4.72E-04, 0.585E-04, 1.19E-04*"	10.36	40.03	94			age of later metamorphism			
1656	1	246.21	12	muscovite	conventional K-Ar	2075	"4.72E-04, 0.585E-04, 1.19E-04*"	10.54	40.03	93			age of later metamorphism			
1657	1	1118.42		biotite	conventional K-Ar	1 (LS-108)	"4.72E-04, 0.585E-04, 1.19E-04*"	5.29	118	96			initial age disturbed by later metamorphism			CRYSTALLIZATION AGE IS AROUND 1800 M.Y.
1657	2	982.36		K feldspar	conventional K-Ar	1 (LS-108)	"4.72E-04, 0.585E-04, 1.19E-04*"	16.57	311.5	99			initial age disturbed by later metamorphism			CRYSTALLIZATION AGE IS AROUND 1800 M.Y.
1657	3	1292.45		muscovite	conventional K-Ar	1 (LS-108)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.06	192	83			initial age disturbed by later metamorphism			CRYSTALLIZATION AGE IS AROUND 1800 M.Y.
1658	1	1343.23		biotite	conventional K-Ar	2 (LS-47)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.85	225.4	96			initial age disturbed by later metamorphism			CRYSTALLIZATION AGE IS AROUND 1950 M.Y.
1658	2	1252.35		muscovite	conventional K-Ar	2 (LS-47)	"4.72E-04, 0.585E-04, 1.19E-04*"	6.72	174.9	93			initial age disturbed by later metamorphism			CRYSTALLIZATION AGE IS AROUND 1950 M.Y.
1658	3	1159.24		K feldspar	conventional K-Ar	2 (LS-47)	"4.72E-04, 0.585E-04, 1.19E-04*"	16.3	381.6	99			initial age disturbed by later metamorphism			CRYSTALLIZATION AGE IS AROUND 1950 M.Y.
1659	1	1808.83		hornblende	conventional K-Ar	3 (RB-9-54)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.569	25.5	98			age of metamorphic crystallization			
1660	1	1549.2		hornblende	conventional K-Ar	4 (RB-120-52)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.107	3.78	83			minimum age of metamorphic crystallization			
1661	1	1262.19		biotite	conventional K-Ar	5 (LS-48)	"4.72E-04, 0.585E-04, 1.19E-04*"	1.144	30.1	50			initial age disturbed by later metamorphism	CONSIDERABLE ALTERATION TO CHLORITE AND MUSCOVITE		CRYSTALLIZATION IS PROBABLY AROUND 1800 M.Y.
1662	1	1170.09		biotite	conventional K-Ar	6 (LS-49)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.52	202	97			initial age disturbed by later metamorphism	CONTAINS INCLUSIONS OF SPHENE AND ZIRCON		CRYSTALLIZATION AGE IS PROBABLY AROUND 1800 M.Y.
1663	1	1230		biotite	conventional K-Ar	7 (LS-128)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.17	182	94			initial age disturbed by later metamorphism			AGE IS AROUND 1800 M.Y.
1663	2	1520		muscovite	conventional K-Ar	7 (LS-128)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.66	366.5	97			initial age disturbed by later metamorphism			AGE IS AROUND 1800 M.Y.
1663	3	1180		K feldspar	conventional K-Ar	7 (LS-128)	"4.72E-04, 0.585E-04, 1.19E-04*"	11.59	276.8	98			"age meaning uncertain (geologic factors), initial age disturbed by later metamorphism"			AGE IS AROUND 1800 M.Y.
1664	1	1250		biotite	conventional K-Ar	8A (LS-42A)	"4.72E-04, 0.585E-04, 1.19E-04*"	4.73	122.9	95			initial age disturbed by later metamorphism		K20 SEEMS LOW-COMPILER	CRYSTALLIZATION AGE IS AROUND 1900 M.Y.
1664	2	1360		muscovite	conventional K-Ar	8A (LS-42A)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.02	293.5	78			initial age disturbed by later metamorphism			CRYSTALLIZATION AGE IS AROUND 1900 M.Y.
1665	1	1630		muscovite	conventional K-Ar	8B (LS-42B)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.34	394.6	98			initial age disturbed by later metamorphism		AGE CALCULATED BY COMPILER	INITIAL AGE IS ABOUT 2700 M.Y.
1665	2	1240		biotite	conventional K-Ar	8B (LS-42B)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.06	207	95			initial age disturbed by later metamorphism			INITIAL AGE IS ABOUT 2700 M.Y.
1665	3	1690		hornblende	conventional K-Ar	8B (LS-42B)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.879	35.45	96			initial age disturbed by later metamorphism			INITIAL AGE IS ABOUT 2700 M.Y.
1666	1	1578.48		biotite	conventional K-Ar	9 (LS-112)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.72	316.8	98			age not evaluated			
1667	1	1587.56		biotite	conventional K-Ar	10 (LS-44A)	"4.72E-04, 0.585E-04, 1.19E-04*"	4.53	166	95			age not evaluated	CONSIDERABLE CHLORITE PRESENT		
1667	2	1134.29		K feldspar	conventional K-Ar	10 (LS-44A)	"4.72E-04, 0.585E-04, 1.19E-04*"	11.38	258.7	60			age not evaluated			
1668	1	1250		biotite	conventional K-Ar	11 (LS-40C)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.62	223	88			initial age disturbed by later metamorphism			
1668	2	1150		muscovite	conventional K-Ar	11 (LS-40C)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.01	163	97			initial age disturbed by later metamorphism			
1669	1	2060		hornblende	conventional K-Ar	12 (HJ-20A-52)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.364	20.1	97			age not evaluated			
1670	1	1109.8		biotite	conventional K-Ar	13 (LS-40H)	"4.72E-04, 0.585E-04, 1.19E-04*"	6.84	151	96			initial age disturbed by later metamorphism			
1671	1	1592.81		hornblende	conventional K-Ar	14 (HJ-68-55)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.208	7.66	77			initial age disturbed by later metamorphism			
1672	1	1574.55		hornblende	conventional K-Ar	15 (HJ-63-55)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.699	25.3	91			initial age disturbed by later metamorphism			
1673	1	1375.14		biotite	conventional K-Ar	16 (LS-129B)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.33	277	98			initial age disturbed by later metamorphism			
1674	1	1348		biotite	conventional K-Ar	17 (LS-129A)	"4.72E-04, 0.585E-04, 1.19E-04*"	6.48	187	94			initial age disturbed by later metamorphism			
1674	2	1488.37		muscovite	conventional K-Ar	17(LS-129A)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.62	287	97			initial age disturbed by later metamorphism			
1675	1	1291.64		biotite	conventional K-Ar	18 (LS-40A)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.98	244	96			initial age disturbed by later metamorphism			
1676	1	1247.84		biotite	conventional K-Ar	19 (LS-129C)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.92	231	91			initial age disturbed by later metamorphism			
1677	1	1448.25		whole rock	conventional K-Ar	20 (LS-40F)	"4.72E-04, 0.585E-04, 1.19E-04*"	2.26	72.3	96			initial age disturbed by later metamorphism			
1678	1	1444.98		biotite	conventional K-Ar	21 (LS-110)	"4.72E-04, 0.585E-04, 1.19E-04*"	6.68	213	94			initial age disturbed by later metamorphism			
1678	2	1463.4		muscovite	conventional K-Ar	21 (LS-110)	"4.72E-04, 0.585E-04, 1.19E-04*"	6.25	203	90			initial age disturbed by later metamorphism			
1679	1	1157.24		muscovite	conventional K-Ar	22 (LS-111)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.19	238	97			initial age disturbed by later metamorphism			
1680	1	1436.53		biotite	conventional K-Ar	23 (LS-43A)	"4.72E-04, 0.585E-04, 1.19E-04*"	4.27	135	95			initial age disturbed by later metamorphism		K20 SEEMS LOW--COMPILER	INITIAL AGE IS ABOUT 2700 M.Y.
1680	2	1736.42		hornblende	conventional K-Ar	23 (LS-43A)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.916	38.5	97			initial age disturbed by later metamorphism			INITIAL AGE IS ABOUT 2700 M.Y.
1681	1	1374.62		biotite	conventional K-Ar	24 (LS-115)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.87	263.2	98			initial age disturbed by later metamorphism			INITIAL AGE IS ABOUT 2700 M.Y.
1681	2	1184.19		K feldspar	conventional K-Ar	24 (LS-115)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.54	254	99			initial age disturbed by later metamorphism			INITAL AGE IS ABOUT 2700 M.Y.
1682	1	1171.72		biotite	conventional K-Ar	25A (LA-114A)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.43	224	97			initial age disturbed by later metamorphism			INITIAL AGE IS ABOUT 2700 M.Y.
1682	2	1167.49		K feldspar	conventional K-Ar	25A (LS-114A)	"4.72E-04, 0.585E-04, 1.19E-04*"	15.78	373	99			initial age disturbed by later metamorphism			INITIAL AGE IS ABOUT 2700 M.Y.
1684	1	1376.27		biotite	conventional K-Ar	29 (LS-126)	"4.72E-04, 0.585E-04, 1.19E-04*"	4.71	140	97			initial age disturbed by later metamorphism		(K20 SEEMS LOW--COMPILER)	INITIAL AGE IS AROUND 2700 M.Y.
1684	2	1154.54		K feldspar	conventional K-Ar	29 (LS-126)	"4.72E-04, 0.585E-04, 1.19E-04*"	14.41	335.5	99			initial age disturbed by later metamorphism			INITIAL AGE IS AROUND 2700 M.Y.
1685	1	927.23		K feldspar	conventional K-Ar	30 (LS-109)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.22	126	97						K-FELDSPAR PROBABLY LEAKED ARGON; INITIAL AGE IS PROBABLY AROUND 2700 M.Y.
1686	1	1763.97		muscovite	conventional K-Ar	31 (LS-25C)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.4	448	99			minimum age of intrusion			
1687	1	978.64		whole rock	conventional K-Ar	32 (HJ-144-51)	"4.72E-04, 0.585E-04, 1.19E-04*"	1.16	21.7	90			minimum age of intrusion			
1689	1	438.31	13	riebeckite	conventional K-Ar	95	"4.72E-04, 0.585E-04, 1.19E-04*"	0.931	6.65	96		Zartman (1977)	minimum age of intrusion			
1690	1	466.06	14	riebeckite	conventional K-Ar	96	"4.72E-04, 0.585E-04, 1.19E-04*"	0.768	5.88	95		Zartman (1977)	age of intrusion			
1691	1	451.57	13	riebeckite	conventional K-Ar	97	"4.72E-04, 0.585E-04, 1.19E-04*"	0.953	7.04	93		Zartman (1977)	age of intrusion			
1692	1	445.29	13	riebeckite	conventional K-Ar	98	"4.72E-04, 0.585E-04, 1.19E-04*"	0.612	4.45	92		Zartman (1977)	age of intrusion			
1694	1	445.01	13	riebeckite	conventional K-Ar	211	"4.72E-04, 0.585E-04, 1.19E-04*"	0.962	6.99	91		Zartman (1977)	minimum age of intrusion			
1694	2	936.56	28	pyroxenes	conventional K-Ar	211	"4.72E-04, 0.585E-04, 1.19E-04*"	0.198	3.5	75		Zartman (1977)	"sample contains excess radiogenic argon, age is too old"			
1697	1	307.66	9	riebeckite	conventional K-Ar	213	"4.72E-04, 0.585E-04, 1.19E-04*"	1.876	9.06	92		Zartman (1977)	initial age disturbed by later metamorphism			
1699	1	387.34	11	hornblende	conventional K-Ar	164	"4.72E-04, 0.585E-04, 1.19E-04*"	1.778	11.06	97		Zartman (1977)	minimum age of intrusion			
1702	1	359.06	11	biotite	conventional K-Ar	165D	"4.72E-04, 0.585E-04, 1.19E-04*"	6.78	38.78	92		Zartman (1977)	age meaning uncertain (geologic factors)			
1703	1	400.33	12	riebeckite	conventional K-Ar	166	"4.72E-04, 0.585E-04, 1.19E-04*"	1.108	7.15	97		Zartman (1977)	age meaning uncertain (geologic factors)			
1705	1	404.98	12	hornblende	conventional K-Ar	168	"4.72E-04, 0.585E-04, 1.19E-04*"	1.282	8.38	98		Zartman (1977)	age meaning uncertain (geologic factors)			
1707	1	381.45	11	hornblende	conventional K-Ar	170	"4.72E-04, 0.585E-04, 1.19E-04*"	1.125	6.88	97		Zartman (1977)	age of intrusion			
1708	1	397.11	12	hornblende	conventional K-Ar	260	"4.72E-04, 0.584E-04, 1.19E-04*"	1.24	7.93	97		Zartman (1977)	minimum age of intrusion			
1710	1	376.77	11	hornblende	conventional K-Ar	60B	"4.72E-04, 0.585E-04, 1.19E-04*"	0.925	5.58	94		Zartman (1977)	age of intrusion			
1711	1	410.88	12	hornblende	conventional K-Ar	90	"4.72E-04, 0.585E-04, 1.19E-04*"	0.712	4.73	95		Zartman (1977)	maximum age of intrusion			
1712	1	392.02	12	hornblende	conventional K-Ar	91	"4.72E-04, 0.585E-04, 1.19E-04*"	0.671	4.23	95		Zartman (1977)	age of intrusion			
1713	1	376.22	11	hornblende	conventional K-Ar	92	"4.72E-04, 0.585E-04, 1.19E-04*"	0.885	5.33	94		Zartman (1977)	age of intrusion			
1714	1	357.98	10	hornblende	conventional K-Ar	171	"4.72E-04, 0.585E-04, 1.19E-04*"	1.37	7.81	96		Zartman (1977)	age of intrusion			
1714	2	374.1	11	biotite	conventional K-Ar	171	"4.72E-04, 0.585E-04, 1.19E-04*"	7.98	47.76	98		Zartman (1977)	age of intrusion			
1715	1	498.44	15	biotite	conventional K-Ar	88-2	"4.72E-04, 0.585E-04, 1.19E-04*"	7.35	60.75	95		Zartman (1977)	age of intrusion			
1716	1	421.67	12	biotite	conventional K-Ar	160	"4.72E-04, 0.585E-04, 1.19E-04*"	8.26	56.49	98		Zartman (1977)	minimum age of intrusion			
1717	1	417.4	12	biotite	conventional K-Ar	161-A	"4.72E-04, 0.585E-04, 1.19E-04*"	8.67	58.62	96		Zartman (1977)	age of intrusion			
1724	1	1237.52		biotite	conventional K-Ar	26 (LS-54)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.32	213	96			initial age disturbed by later metamorphism			
1724	2	1359.73		muscovite	conventional K-Ar	26 (LS-54)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.18	268.2	98			initial age disturbed by later metamorphism			
1724	3	1087.5		K feldspar	conventional K-Ar	26 (LS-54)	"4.72E-04, 0.585E-04, 1.19E-04*"	4.98	107	95			initial age disturbed by later metamorphism			
1725	1	1383.65		biotite	conventional K-Ar	27 (LS-53)	"4.72E-04, 0.585E-04, 1.19E-04*"	6.31	189	95			initial age disturbed by later metamorphism			
1725	2	1589.67		hornblende	conventional K-Ar	27 (LS-53)	"4.72E-04, 0.585E-04, 1.19E-04*"	1.17	42.96	98			initial age disturbed by later metamorphism			
1726	1	1357.22		biotite	conventional K-Ar	28 (LS-125)	"4.72E-04, 0.585E-04, 1.19E-04*"	4.53	132	89			initial age disturbed by later metamorphism			
1726	2	1371.31		hornblende	conventional K-Ar	28 (LS-125)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.443	13.1	94			initial age disturbed by later metamorphism			
1727	1	1062.61	34	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.42	154.6				age of intrusion			
1728	1	1048	11	plagioclase	39Ar-40Ar incremental (plateau)	DEL-93	"4.72E-04, 0.585E-04, 1.19E-04"						initial age disturbed by later metamorphism		PLATEAU AGE	INITIAL AGE IS THOUGHT TO BE AROUND 1130 M.Y.
1728	2	1127	34	plagioclase	conventional K-Ar	DEL-93	"4.72E-04, 0.585E-04, 1.19E-04"									THIS AGE IS NOT IN AGREEMENT WITH 40AR/39AR AGES
1728	3	1015.88	31	plagioclase	conventional K-Ar	DEL-93	"4.72E-04, 0.585E-04, 1.19E-04*"	0.332	6.52				initial age disturbed by later metamorphism			AUTHORS BELIEVE LOW-GRADE METAMORPHIC EVENT IS RESPONSIBLE FOR LOWER AGE
1728	4	1057	12	plagioclase	40Ar/36Ar-40K/36Ar isochron	DEL-93	"4.72E-04, 0.585E-04, 1.19E-04"						initial age disturbed by later metamorphism		ISOCHRON AGE OF PLATEAU POINTS	
1728	5	1024	20	plagioclase	39Ar-40Ar total fusion	DEL-93	"4.72E-04, 0.585E-04, 1.19E-04"						initial age disturbed by later metamorphism		TOTAL FUSION	
1729	1	1896		biotite	conventional K-Ar	KA-66	"4.76E-04, 0.589E-04, 1.18E-04*"	6.31	305				initial age disturbed by later metamorphism			
1730	1	1610		whole rock	conventional K-Ar	KA-278	"4.76E-04, 0.589E-04, 1.18E-04*"	6.68	250				initial age disturbed by later metamorphism			
1731	1	1628		muscovite	conventional K-Ar	KA-68	"4.76E-04, 0.589E-04, 1.18E-04*"	10.19	388				initial age disturbed by later metamorphism			
1732	1	1165		K feldspar		OSA	"4.76E-04, 0.589E-04, 1.18E-04*"	11.8	278						NO AGE REPORTED	
1733	1	1358		whole rock	conventional K-Ar	KA-238	"4.76E-04, 0.589E-04, 1.18E-04*"	7.13	208				initial age disturbed by later metamorphism			
1734	1	1732		biotite	conventional K-Ar	KA-45	"4.76E-04, 0.589E-04, 1.18E-04*"	7.88	330				initial age disturbed by later metamorphism		ARGON VALUE IS AVERAGE OF 3 DETERMINATIONS.	
1735	1	1669		muscovite	conventional K-Ar	KA-184	"4.76E-04, 0.589E-04, 1.18E-04*"	9.23	365				age of intrusion			
1736	1	1437		biotite	conventional K-Ar	KA-12	"4.76E-04, 0.589E-04, 1.18E-04*"	6.45	204				age not evaluated			
1736	2	932.26		K feldspar		KA-12		12.69	223						NO AGE GIVEN	
1737	1	1491		biotite	conventional K-Ar	KA-330	"4.76E-04, 0.589E-04, 1.18E-04*"	9.38	313				age not evaluated			
1738	1	400.3	19	muscovite	conventional K-Ar	1 (CONNECTICUT)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.22	53.04	97			age not evaluated			
1739	1	321.57	16	biotite	conventional K-Ar	2 (CONNECTICUT)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.54	43.28	94			initial age disturbed by later metamorphism			
1740	1	321.92	16	biotite	conventional K-Ar	3 (CONNECTICUT)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.84	39.78	95			initial age disturbed by later metamorphism			
1741	1	250.44	7	muscovite	conventional K-Ar	4 (CONNECTICUT)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.22	39.53	74			age of intrusion			
1742	1	237.66	7	biotite	conventional K-Ar	5 (CONNECTICUT)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.1	33.28	93			age of later metamorphism			
1743	1	239.56	7	biotite	conventional K-Ar	6 (CONNECTICUT)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.41	31.02	96			age of later metamorphism			
1744	1	244.37	7	biotite	conventional K-Ar	1 (RHODE ISLAND)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.435	31.78	94			age of later metamorphism			
1745	1	234	10	biotite	conventional K-Ar	2 (RHODE ISLAND)	"4.72E-04, 0.585E-04, 1.19E-04*"	6.33	22.77	95			age of later metamorphism			
1745	2	253.14	10	muscovite	conventional K-Ar	2 (RHODE ISLAND)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.72	38.03	96			age of later metamorphism			
1746	1	233.42	10	biotite	conventional K-Ar	3 (RHODE ISLAND)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.88	28.27	94			age of later metamorphism			
1747	1	204.04	10	biotite	conventional K-Ar	4 (RHODE ISLAND)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.17	28.52	77			age of later metamorphism			
1748	1	218.98	10	biotite	conventional K-Ar	5 (RHODE ISLAND)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.21	27.52	94			age of later metamorphism			
1749	1	202.32	12	biotite	conventional K-Ar	6 (RHODE ISLAND)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.82	30.27	96			age of later metamorphism			
1750	1	202.87	10	biotite	conventional K-Ar	7 (RHODE ISLAND)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.66	26.77	89			age of later metamorphism			
1751	1	236.51	8	biotite	conventional K-Ar	8 (RHODE ISLAND)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.77	28.27	96			age of later metamorphism			
1752	1	232.64	8	biotite	conventional K-Ar	9 (RHODE ISLAND)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.82	31.53	97			age of later metamorphism			
1753	1	363.23	11	biotite	conventional K-Ar	1 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.12	47.04	98			initial age disturbed by later metamorphism			
1753	2	380.11	12	hornblende	conventional K-Ar	1 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	1.265	7.706	88			minimum age of intrusion			
1754	1	315.74	9	biotite	conventional K-Ar	2 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.36	41.53	81			initial age disturbed by later metamorphism			
1755	1	311.44	15	hornblende	conventional K-Ar	3 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.68	3.328	78			initial age disturbed by later metamorphism			
1756	1	352.18	10	muscovite	conventional K-Ar	4 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.58	48.04	83			initial age disturbed by later metamorphism			
1756	1	352.18	10	muscovite	conventional K-Ar	4 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.58	48.04	83			initial age disturbed by later metamorphism			
1757	1	345.25	12	biotite	conventional K-Ar	5 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	5.71	31.28	66			initial age disturbed by later metamorphism			
1758	1	318.2	9	hornblende	conventional K-Ar	6 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.403	2.019	41			initial age disturbed by later metamorphism			
1759	1	507.88	15	biotite	conventional K-Ar	7 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	1.117	9.433	56			minimum age of metamorphic crystallization			
1760	1	327.65	9	whole rock	conventional K-Ar	8 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	4.025	20.82	85			initial age disturbed by later metamorphism			
1761	1	268.73	8	biotite	conventional K-Ar	9 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	6.46	26.95	92			age of later metamorphism			
1762	1	257.76	8	biotite	conventional K-Ar	10 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.22	36.78	91			age of later metamorphism			
1762	2	238.49	8	muscovite	conventional K-Ar	10 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.36	38.03	84			initial age disturbed by later metamorphism			
1763	1	248.69	13	biotite	conventional K-Ar	11 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.06	34.78	92			age of later metamorphism			
1764	1	245.74	8	muscovite	conventional K-Ar	12 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.34	35.4	92			age of later metamorphism			
1765	1	323.05	9	biotite	conventional K-Ar	13 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.99	45.79	95			initial age disturbed by later metamorphism			
1766	1	335.37	17	muscovite		14 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.09	53.54	92			initial age disturbed by later metamorphism			
1767	1	284.75	10	muscovite	conventional K-Ar	15 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.48	46.54	94			initial age disturbed by later metamorphism			
1768	1	337.63	18	hornblende	conventional K-Ar	16 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.66	3.528	66			initial age disturbed by later metamorphism			
1769	1	340	9	biotite	conventional K-Ar	17 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.06	38.03	93			initial age disturbed by later metamorphism			
1770	1	296.91	15	whole rock	conventional K-Ar	18 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	1.89	8.782	74			minimum age of intrusion			
1771	1	307.99	15	whole rock	conventional K-Ar	19 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.177	0.8558	22			minimum age of intrusion			
1772	1	312.36	9	muscovite	conventional K-Ar	20 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.65	52.29	94			initial age disturbed by later metamorphism			
1773	1	313.9	15	hornblende	conventional K-Ar	21 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.251	1.239	41			initial age disturbed by later metamorphism			
1774	1	260.14	8	whole rock	conventional K-Ar	22 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	1.36	5.479	88			minimum age of intrusion			
1775	1	265.55	8	biotite	conventional K-Ar	23 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	4.477	18.44	88			initial age disturbed by later metamorphism			
1775	2	367	10	hornblende	conventional K-Ar	23 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	1.217	7.131	81			minimum age of intrusion			
1776	1	403.29	12	biotite	conventional K-Ar	24 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.98	51.92	92			minimum age of intrusion			
1777	1	416.52	12	whole rock	conventional K-Ar	25 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	1.65	11.13	82			minimum age of intrusion			
1778	1	363.46	8	biotite	conventional K-Ar	26 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.64	44.29	84			age of later metamorphism			
1779	1	358.82	8	hornblende	conventional K-Ar	27 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.963	5.504	40			minimum age of intrusion			
1780	1	363.4	10	hornblende	conventional K-Ar	28 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	1.118	6.48	59			minimum age of intrusion			
1781	1	361.3	10	hornblende	conventional K-Ar	29 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	1.59	9.157	46			minimum age of intrusion			
1782	1	417.77	16	hornblende	conventional K-Ar	30 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	1.22	8.257	84			minimum age of intrusion			
1783	1	365.29	10	biotite	conventional K-Ar	31 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.555	44.04	90			minimum age of intrusion			
1784	1	342.36	15	whole rock	conventional K-Ar	32 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	1.3	7.056	62			minimum age of intrusion			
1785	1	425.71	16	whole rock	conventional K-Ar	33 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	1.6	11.06	86			"sample contains inherited material, age is too old"			
1785	2	359.88	10	muscovite	conventional K-Ar	33 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.16	46.79	90				60-80 MESH FRACTION		MIXED AGE OF DETRITAL MUSCOVITE
1785	3	298.99	8	muscovite	conventional K-Ar	33 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.39	39.28	90				80-120 MESH FRACTION		AGE OF DETRITAL MUSCOVITE IS IN FAIR AGREEMENT WITH STRATIGRAPHIC AGE
1786	1	300.42	10	whole rock	conventional K-Ar	34 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	2.1	9.883	97						PERMIAN AGE IS PROBABLY FORTUITOUS
1786	2	348.4	9	muscovite	conventional K-Ar	34 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.315	51.54	96			"sample contains inherited material, age is too old"	35-45 MESH		
1786	3	330.09	10	muscovite	conventional K-Ar	34 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.82	40.78	98			"sample contains inherited material, age is too old"	45-60 MESH		
1786	4	388.23	8	muscovite	conventional K-Ar	34 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	6.98	43.53	94			"sample contains inherited material, age is too old"	LESS THAN 60 MESH		
1787	1	380.38	19	biotite	conventional K-Ar	35 (MASSACHUSETTS)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.495	51.79	96			minimum age of intrusion			
1788	1	336.1	10	muscovite	conventional K-Ar	1 (NEW HAMPSHIRE)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.16	54.04	75			initial age disturbed by later metamorphism			
1789	1	225.32	6	biotite	conventional K-Ar	2 (NEW HAMPSHIRE)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.47	25.81	84			age of later metamorphism			
1789	2	237.39	10	muscovite	conventional K-Ar	2 (NEW HAMPSHIRE)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.31	37.66	79			age of later metamorphism			
1790	1	329.5	10	biotite	conventional K-Ar	3 (NEW HAMPSHIRE)	"4.72E-04, 0.585E-04, 1.19E-04*"	5.96	31.02	90			initial age disturbed by later metamorphism			
1791	1	274.69	8	muscovite	conventional K-Ar	4 (NEW HAMPSHIRE)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.31	44.04	85			initial age disturbed by later metamorphism			
1792	1	271.28	8	muscovite	conventional K-Ar	5 (NEW HAMPSHIRE)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.39	43.79	90			initial age disturbed by later metamorphism			
1793	1	345.51	15	muscovite	conventional K-Ar	6 (NEW HAMPSHIRE)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.72	53.29	83			initial age disturbed by later metamorphism			
1794	1	337.05	10	muscovite	conventional K-Ar	7 (NEW HAMPSHIRE)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.66	51.54	87			initial age disturbed by later metamorphism			
1795	1	301.07	9	muscovite	conventional K-Ar	8 (NEW HAMPSHIRE)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.76	46.04	89			initial age disturbed by later metamorphism			
1796	1	336.85	10	biotite	conventional K-Ar	9 (NEW HAMPSHIRE)	"4.72E-04, 0.585E-04, 1.19E-04*"	4.5	23.994	90			initial age disturbed by later metamorphism			
1797	1	257.78	7	biotite	conventional K-Ar	10 (NEW HAMPSHIRE)	"4.72E-04, 0.585E-04, 1.19E-04*"	6.71	26.77	95			age of later metamorphism			
1798	1	328.83	10	biotite	conventional K-Ar	11 (NEW HAMPSHIRE)	"4.72E-04, 0.585E-04, 1.19E-04*"	6.89	35.78	94			initial age disturbed by later metamorphism			
1798	2	281.66	8	muscovite	conventional K-Ar	11 (NEW HAMPSHIRE)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.64	33.53	92			initial age disturbed by later metamorphism			
1799	1	259.65	7	biotite	conventional K-Ar	12 (NEW HAMPSHIRE)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.78	31.28	79			age of later metamorphism			
1800	1	330.3	10	biotite	conventional K-Ar	13 (NEW HAMPSHIRE)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.15	42.53	95			initial age disturbed by later metamorphism			
1801	1	254.89	8	biotite	conventional K-Ar	1 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.87	31.02	81			age of later metamorphism			
1802	1	256.01	8	biotite	conventional K-Ar	2 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.53	33.78	93			age of later metamorphism			
1803	1	350.51	10	biotite	conventional K-Ar	3 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.51	47.4	100			initial age disturbed by later metamorphism			
1804	1	301.02	9	biotite	conventional K-Ar	4 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	3.48	16.413				initial age disturbed by later metamorphism			
1805	1	252.61	8	biotite	conventional K-Ar	5 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	5.89	22.993	89			age of later metamorphism			
1806	1	299.79	9	biotite	conventional K-Ar	6 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	6.5	30.52	100			initial age disturbed by later metamorphism			
1807	1	254.89	8	biotite	conventional K-Ar	7 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.87	31.02	89			age of later metamorphism			
1808	1	405.85	12	biotite	conventional K-Ar	8 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	2.86	18.74	86			minimum age of intrusion			
1809	1	393.07	12	biotite	conventional K-Ar	9 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.27	52.29	98			minimum age of intrusion			
1810	1	382.95	11	biotite	conventional K-Ar	10 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	6.68	41.03	100			minimum age of intrusion			
1811	1	267.56	8	biotite	conventional K-Ar	11 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.35	30.52	98			age of later metamorphism			
1812	1	303.12	9	muscovite	conventional K-Ar	12 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.53	50.04	90			initial age disturbed by later metamorphism			
1813	1	374.95	11	biotite	conventional K-Ar	13 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.59	51.54	87			minimum age of intrusion			
1814	1	284.45	8	biotite	conventional K-Ar	14 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.63	38.28	99			initial age disturbed by later metamorphism			
1815	1	332.26	10	biotite	conventional K-Ar	15 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.24	43.28	93			initial age disturbed by later metamorphism			
1816	1	364.15	11	biotite	conventional K-Ar	16 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	6.03	35.03	96			minimum age of metamorphic crystallization			
1817	1	370.03	11	biotite	conventional K-Ar	17 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	4.02	23.77	93			minimum age of metamorphic crystallization			
1818	1	380.38	11	biotite	conventional K-Ar	18 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.29	50.54	96			minimum age of intrusion			
1819	1	396.41	12	biotite	conventional K-Ar	19 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.86	56.55	100			minimum age of intrusion			
1820	1	357.8	11	biotite	conventional K-Ar	20 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.3	47.29	92			minimum age of intrusion			
1821	1	360.69	11	biotite	conventional K-Ar	21 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	5.92	34.03	93			initial age disturbed by later metamorphism			
1822	1	334.07	10	biotite	conventional K-Ar	22 (MAINE)	"4.72E-04, 0.585E-04, 1.19E-04*"	4.83	25.52	100			initial age disturbed by later metamorphism			
1823	1	407.03	8	biotite	conventional K-Ar	ME-2	"4.72E-04, 0.585E-04, 1.19E-04*"	7.86	51.67	76			initial age disturbed by later metamorphism		ARGON VALUE IS AVERAGE OF REPLICATE DETERMATIONS	
1824	1	361.93	7	biotite	conventional K-Ar	ME-3	"4.72E-04, 0.585E-04, 1.19E-04*"	6.96	40.16	74			initial age disturbed by later metamorphism		ARGON VALUE IS AVERAGE OF REPLICATE DETERMINATIONS	
1825	1	366.95	7	biotite	conventional K-Ar	ME-4A	"4.72E-04, 0.585E-04, 1.19E-04*"	7.43	43.53	87			initial age disturbed by later metamorphism	CONCENTRATE HEADS		
1825	2	357.56	7	biotite	conventional K-Ar	ME-4B	"4.72E-04, 0.585E-04, 1.19E-04*"	7.47	42.53	77			initial age disturbed by later metamorphism	TAILS OF MINERAL CONCENTRATE		
1826	1	407.81	8	biotite	conventional K-Ar	ME-5	"4.72E-04, 0.585E-04, 1.19E-04*"	7.52	49.54	94			initial age disturbed by later metamorphism		ARGON VALUE IS AVERAGE OF REPLICATE DETERMINATIONS	
1827	1	364.32	7	biotite	conventional K-Ar	ME-6	"4.72E-04, 0.585E-04, 1.19E-04*"	6.71	39	86			age of intrusion		ARGON VALUE IS AVERAGE OF 2 DETERMINATIONS	
1828	1	364.03	7	biotite	conventional K-Ar	ME-7	"4.72E-04, 0.585E-04, 1.19E-04*"	5.86	34.03	83			age of intrusion			
1829	1	474	9	biotite	conventional K-Ar	ME-8	"4.72E-04, 0.585E-04, 1.19E-04*"	5.19	40.53	72			age of intrusion		ARGON VALUE IS AVERAGE OF REPLICATE DETERMINATIONS	
1830	1	387.34	7	biotite	conventional K-Ar	ME-9A	"4.72E-04, 0.585E-04, 1.19E-04*"	5.31	33.03	82			initial age disturbed by later metamorphism	CONCENTRATE HEADS		
1830	2	381.24	7	biotite	conventional K-Ar	ME-9B	"4.72E-04, 0.585E-04, 1.19E-04*"	4.83	29.52	68			initial age disturbed by later metamorphism	TAILS OF MINERAL CONCENTRATE		
1831	1	367.18	7	biotite	conventional K-Ar	ME-10	"4.72E-04, 0.585E-04, 1.19E-04*"	8.45	49.54	96			age of intrusion			
1832	1	398.2	8	biotite	conventional K-Ar	ME-11	"4.72E-04, 0.585E-04, 1.19E-04*"	6.63	42.53	81			minimum age of intrusion			
1833	1	407.2	8	biotite	conventional K-Ar	ME-13	"4.72E-04, 0.585E-04, 1.19E-04*"	7.04	46.3	88			age of metamorphic crystallization		ARGON VALUE IS AVERAGE OF 3 DETERMINATIONS	
1834	1	410.37	8	biotite	conventional K-Ar	ME-13	"4.72E-04, 0.585E-04, 1.19E-04*"	5.82	38.61	88			minimum age of intrusion		ARGON VALUE IS AVERAGE OF 3 DETERMINATIONS	
1835	1	414.79	8	biotite	conventional K-Ar	ME-14	"4.72E-04, 0.585E-04, 1.19E-04*"	6.82	45.79	89			minimum age of intrusion			
1836	1	414.21	8	biotite	conventional K-Ar	ME-15	"4.72E-04, 0.585E-04, 1.19E-04*"	6.98	46.79	89			age of intrusion			
1837	1	412	8	biotite	conventional K-Ar	ME-16	"4.72E-04, 0.585E-04, 1.19E-04*"	6.27	41.78	92			initial age disturbed by later metamorphism			
1838	1	365.11	7	biotite	conventional K-Ar	ME-17	"4.72E-04, 0.585E-04, 1.19E-04*"	4.6	26.8	76			initial age disturbed by later metamorphism		ARGON VALUE IS AVERAGE OF REPLICATE DETERMINATIONS	
1840	1	376.46	7	biotite	conventional K-Ar	ME-19	"4.72E-04, 0.585E-04, 1.19E-04*"	8.22	49.54	94			age of intrusion			
1841	1	374.8	7	biotite	conventional K-Ar	ME-20	"4.72E-04, 0.585E-04, 1.19E-04*"	7.51	45.04	71			minimum age of intrusion			
1842	1	343.39	7	biotite	conventional K-Ar	ME-21	"4.72E-04, 0.585E-04, 1.19E-04*"	6.8	37.03	84			minimum age of intrusion			
1843	1	377.16	7	biotite	conventional K-Ar	ME-22	"4.72E-04, 0.585E-04, 1.19E-04*"	8.41	50.79	89			age of intrusion			
1844	1	379.93	7	biotite	conventional K-Ar	ME-23	"4.72E-04, 0.585E-04, 1.19E-04*"	6.78	41.28	90			minimum age of intrusion			
1845	1	404.39	8	biotite	conventional K-Ar	ME-24	"4.72E-04, 0.585E-04, 1.19E-04*"	4.6	30.02	93			age of intrusion			
1846	1	391.67	8	biotite	conventional K-Ar	ME-26	"4.72E-04, 0.585E-04, 1.19E-04*"	7.39	46.54	98			age of intrusion			
1847	1	401.24	8	biotite	conventional K-Ar	ME-27	"4.72E-04, 0.585E-04, 1.19E-04*"	6.69	43.28	89			age of intrusion			
1848	1	390.8	8	biotite	conventional K-Ar	ME-28A	"4.72E-04, 0.585E-04, 1.19E-04*"	9	56.54	98			age of intrusion			
1848	2	394.63	8	biotite	conventional K-Ar	ME-28B	"4.72E-04, 0.585E-04, 1.19E-04*"	9.18	58.3	99			age of intrusion			
1849	1	384.11	7	biotite	conventional K-Ar	ME-29	"4.72E-04, 0.585E-04, 1.19E-04*"	6.82	42.03	88			age meaning uncertain (analysis questionable)			
1850	1	401.44	8	biotite	conventional K-Ar	ME-30	"4.72E-04, 0.585E-04, 1.19E-04*"	6.3	40.78	96			age of intrusion			
1851	1	402.07	8	biotite	conventional K-Ar	ME-31	"4.72E-04, 0.585E-04, 1.19E-04*"	7.37	47.79	81			age of intrusion			
1852	1	394.65	8	biotite	conventional K-Ar	ME-32	"4.72E-04, 0.585E-04, 1.19E-04*"	8.43	53.54	99			age of intrusion			
1853	1	390.87	8	biotite	conventional K-Ar	ME-33	"4.72E-04, 0.585E-04, 1.19E-04*"	8.68	54.54	100			age of intrusion			
1854	1	391.59	8	biotite	conventional K-Ar	ME-34	"4.72E-04, 0.585E-04, 1.19E-04*"	8.94	56.29	82			age of intrusion			
1855	1	408.1	8	biotite	conventional K-Ar	ME-35	"4.72E-04, 0.585E-04, 1.19E-04*"	8.82	58.15	99			age of intrusion		ARGON VALUE IS AVERAGE OF REPLICATE ANALYSES	
1856	1	366.51	7	whole rock	conventional K-Ar	ME-36	"4.72E-04, 0.585E-04, 1.19E-04*"	4.96	29.02	95			age meaning uncertain (analysis questionable)			
1857	1	363.17	8	biotite	conventional K-Ar	ME-37	"4.72E-04, 0.585E-04, 1.19E-04*"	9.33	54.04	100			initial age disturbed by later metamorphism			
1858	1	373.07	7	biotite	conventional K-Ar	ME-38	"4.72E-04, 0.585E-04, 1.19E-04*"	9.35	55.79	90			age of intrusion			
1859	1	364.25	7	biotite	conventional K-Ar	ME-39	"4.72E-04, 0.585E-04, 1.19E-04*"	8.31	48.29	92			minimum age of intrusion			
1860	1	370.79	7	biotite	conventional K-Ar	ME-40	"4.72E-04, 0.585E-04, 1.19E-04*"	8.57	50.79	63			minimum age of intrusion			
1862	1	394.21	8	biotite	conventional K-Ar	ME-42	"4.72E-04, 0.585E-04, 1.19E-04*"	8.48	53.79	77			age of intrusion			
1863	1	336.25	7	biotite	conventional K-Ar	ME-43	"4.72E-04, 0.585E-04, 1.19E-04*"	6.16	32.78	99			initial age disturbed by later metamorphism			
1863	2	382.88	8	muscovite	conventional K-Ar	ME-43	"4.72E-04, 0.585E-04, 1.19E-04*"	10.43	64.05	91			minimum age of intrusion			
1864	1	312.22	6	biotite	conventional K-Ar	NH-1	"4.72E-04, 0.585E-04, 1.19E-04*"	7.24	35.53	99			age of intrusion			
1864	2	239.1	5	muscovite	conventional K-Ar	NH-1	"4.72E-04, 0.585E-04, 1.19E-04*"	6.83	25.14	93			minimum age of metamorphic crystallization		ARGON VALUE IS AVERAGE OF REPLICATE ANALYSES	
1865	1	289.74	6	biotite	conventional K-Ar	NH-2	"4.72E-04, 0.585E-04, 1.19E-04*"	6.8	30.77	97			initial age disturbed by later metamorphism			
1865	2	263.08	5	muscovite	conventional K-Ar	NH-2	"4.72E-04, 0.585E-04, 1.19E-04*"	10.43	42.53	99			initial age disturbed by later metamorphism			
1866	1	251.36	5	biotite	conventional K-Ar	NH-3	"4.72E-04, 0.585E-04, 1.19E-04*"	9.15	35.53	97			initial age disturbed by later metamorphism			
1866	2	251.57	5	muscovite	conventional K-Ar	NH-3	"4.72E-04, 0.585E-04, 1.19E-04*"	10.75	41.78	99			initial age disturbed by later metamorphism			
1867	1	285.41	6	muscovite	conventional K-Ar	NH-5	"4.72E-04, 0.585E-04, 1.19E-04*"	9.16	40.78	96			initial age disturbed by later metamorphism			
1869	1	253.31	5	biotite	conventional K-Ar	NH-6	"4.72E-04, 0.585E-04, 1.19E-04*"	9.33	36.53	96			initial age disturbed by later metamorphism			
1870	1	269.13	5	biotite	conventional K-Ar	NH-7	"4.72E-04, 0.585E-04, 1.19E-04*"	9.52	39.78	97			initial age disturbed by later metamorphism			
1871	1	140.34	3	biotite	conventional K-Ar	VT-2	"4.72E-04, 0.585E-04, 1.19E-04*"	6.43	13.51	92			age of metamorphic crystallization			
1872	1	127.84	2	biotite	conventional K-Ar	VT-3	"4.72E-04, 0.585E-04, 1.19E-04*"	8.96	17.09	81			age of intrusion			
1873	1	340.67	6	biotite	conventional K-Ar	VT-4	"4.72E-04, 0.585E-04, 1.19E-04*"	9.64	52.04	99			age not evaluated			
1875	1	413.23	8	muscovite	conventional K-Ar	VT-7	"4.72E-04, 0.585E-04, 1.19E-04*"	9.58	64.05	97			initial age disturbed by later metamorphism			
1878	1	330.34	6	biotite	conventional K-Ar	VT-12	"4.72E-04, 0.585E-04, 1.19E-04*"	9.54	49.79	99			initial age disturbed by later metamorphism			
1878	2	343.84	7	muscovite	conventional K-Ar	VT-12	"4.72E-04, 0.585E-04, 1.19E-04*"	8.58	46.79	99			initial age disturbed by later metamorphism			
1879	1	356.4	7	biotite	conventional K-Ar	VT-19	"4.72E-04, 0.585E-04, 1.19E-04*"	9.57	54.29	99			age of intrusion		(PUBLISHED POTASSIUM VALUE IS WRONG--COMPILER)	
1887	1	1112.06	40	hornblende	conventional K-Ar	822-2	"4.72E-04, 0.585E-04, 1.19E-04*"	1.32	29.22							AGE APPEARS TO BE TOO OLD
1899	1	1105		whole rock	39Ar-40Ar total fusion	L-5	"4.72E-04, 0.585E-04, 1.19E-04"						age of intrusion		40AR/39AR TOTAL FUSION AGE	
1899	2	1135		whole rock	39Ar-40Ar incremental (plateau)	L-5	"4.72E-04, 0.585E-04, 1.19E-04"						age of intrusion		40AR/39AR PLATEAU AGE	
1900	1	1155		whole rock	39Ar-40Ar total fusion	MN38	"4.72E-04, 0.585E-04, 1.19E-04"						initial age disturbed by later metamorphism	SLIGHTLY ALTERED AUGITE	40AR/39AR TOTAL FUSION AGE	SAMPLE MAY HAVE BEEN AFFECTED BY INTRUSION OF DULUTH COMPLEX AT 1100 M.Y.
1900	2	1172		whole rock	39Ar-40Ar incremental (plateau)	MN38	"4.72E-04, 0.585E-04, 1.19E-04"						initial age disturbed by later metamorphism	SLIGHTLY ALTERED AUGITE	40AR/39AR PLATEAU AGE	SAMPLE MAY HAVE BEEN AFFECTED BY INTRUSION OF DULUTH COMPLEX AT 1100 M.Y.
1901	1	1081		whole rock	39Ar-40Ar total fusion	RP-1	"4.72E-04, 0.585E-04, 1.19E-04"						age of later metamorphism		40AR/39AR TOTAL FUSION AGE	
1901	2	1095		whole rock	39Ar-40Ar incremental (plateau)	RP-1	"4.72E-04, 0.585E-04, 1.19E-04"						age of later metamorphism		40AR/39AR PLATEAU AGE	
1902	1	1082		whole rock	39Ar-40Ar total fusion	T164	"4.72E-04, 0.585E-04, 1.19E-04"						age of intrusion		40AR/39AR TOTAL FUSION AGE; MAXIUMUM STEP-RELEASE AGE IS 1138 M.Y.	
1903	1	2137		whole rock	39Ar-40Ar total fusion	MN9	"4.72E-04, 0.585E-04, 1.19E-04"						minimum age of intrusion		40AR/39AR TOTAL FUSION AGE	"WHOLE ROCK K-AR AGE IS 2240 M.Y. (HANSON AND MALHOTRA, 1971)"
1904	1	1263.45		hornblende	conventional K-Ar	0.4	"4.72E-04, 0.585E-04, 1.19E-04*"	0.564	14.86				initial age disturbed by later metamorphism		RADIOGENIC ARGON IS GREATER THAN 93%	ARGON LOSS BY THERMAL METAMORPHISM DUE TO EMPLACEMENT OF DULUTH COMPLEX AT 1100 M.Y.
1906	1	2046.43		hornblende	conventional K-Ar	1.7	"4.72E-04, 0.585E-04, 1.19E-04*"	0.728	39.88				initial age disturbed by later metamorphism		RADIOGENIC ARGON IS MORE THAN 93%	ARGON LOSS BY THERMAL METAMORPHISM DUE TO EMPLACEMENT OF DULUTH COMPLEX AT 1100 M.Y.
1906	2	1110.26		biotite	conventional K-Ar	1.7	"4.72E-04, 0.585E-04, 1.19E-04*"	9.05	199.9				initial age disturbed by later metamorphism		RADIOGENIC ARGON IS MORE THAN 93%	
1909	1	2632.62		hornblende	conventional K-Ar	9.5	"4.72E-04, 0.585E-04, 1.19E-04*"	0.645	55.33				minimum age of intrusion		RADIOGENIC ARGON IS MORE THAN 93%	
1912	1	2626.84		hornblende	conventional K-Ar	17	"4.72E-04, 0.585E-04, 1.19E-04*"	0.5736	49				"anomalous initial isotopic composition, age questionable"	FIELD NUMBER SS-4	K2O% AND 40AR-RAD(MOL/GM) COMPUTED BY COMPILER	
1918	1	2707.32	135	hornblende	conventional K-Ar	M8185	"4.72E-04, 0.584E-04, 1.19E-04*"	1.064	96.3	98			minimum age of metamorphic crystallization		POTASSIUM VALUE IS AVERAGE OF TWO MEASUREMENTS BY X-RAY FLUORESCENCE	
1919	1	2071.74	105	hornblende	conventional K-Ar	M8132	"4.72E-04, 0.584E-04, 1.19E-04*"	0.456	25.5	94			age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES OF REPLICATE ANALYSES. POTASSIUM DETERMINED BY X-RAY FLUORESCENCE	
1920	1	1792.91	90	whole rock	conventional K-Ar	M8305	"4.72E-04, 0.584E-04, 1.19E-04*"	1.24	54.8	96			"minimum age of intrusion, age of later metamorphism"		POTASSIUM AND ARGON VALUES ARE AVERAGES OF REPLICATE ANALYSES. POTASSIUM DETERMINED BY X-RAY FLUORESCENCE	
1921	1	1718.05	85	hornblende	conventional K-Ar	M8306	"4.72E-04, 0.584E-04, 1.19E-04*"	0.82	33.9	90			age of intrusion		POTASSIUM VALUE IS AVERAGE OF TWO MEASUREMENTS MADE BY X-RAY FLUORESCENCE	
1922	1	1919.16	95	hornblende	conventional K-Ar	M8313	"4.72E-04, 0.584E-04, 1.19E-04*"	0.347	17.1	93			age meaning uncertain (analysis questionable)		POTASSIUM VALUE IS AVERAGE OF TWO MEASUREMENTS MADE BY X-RAY FLUORESCENCE	
1923	1	1724.75	85	hornblende	conventional K-Ar	M8314	"4.72E-04, 0.584E-04, 1.19E-04*"	0.892	37.1	96			age of intrusion		POTASSIUM VALUE IS AVERAGE OF TWO MEASUREMENTS MADE BY X-RAY FLUORESCENCE	
1923	2	1763.5	90	biotite	conventional K-Ar	M8314	"4.72E-04, 0.584E-04, 1.19E-04*"	8.99	387.1	96			age of intrusion		POTASSIUM VALUE IS AVERAGE OF THREE MEASUREMENTS MADE BY X-RAY FLUORESCENCE	
1924	1	1681.73	85	hornblende	conventional K-Ar	M8315	"4.72E-04, 0.584E-04, 1.19E-04*"	1.35	54	82			minimum age of intrusion		POTASSIUM DETERMINED BY X-RAY FLUORESCENCE	
1924	2	1792.27	90	biotite	conventional K-Ar	M8315	"4.72E-04, 0.584E-04, 1.19E-04*"	9.26	409	96			age of intrusion		POTASSIUM VALUE IS AVERAGE OF TWO MEASUREMENTS MADE BY X-RAY FLUORESCENCE	
1925	1	2641	135	biotite	conventional K-Ar	3	"4.72E-04, 0.58E-04, 1.22E-04*"	5.48	473	92			age of intrusion			
1926	1	450		glauconite	conventional K-Ar	KA113	"4.72E-04, 0.583E-04"	7.86					minimum age of volcanism	40-60 MESH		
1927	1	430		glauconite	conventional K-Ar	KA 114	"4.72E-04, 0.583E-04"	7.99					minimum age of volcanism	40-60 MESH		
1928	1	1208		illite group	conventional K-Ar	KA50	"4.72E-04, 0.583E-04*"	5.17	128				minimum age of volcanism	"SAMPLE COMPOSED OF 60% 2M-ILLITE, 3% CHLORITE, AND 37% PYROPHYLLITE, HEMATITE, ETC.; 40-60 MESH"	ARGON VALUE IS AVERAGE OF REPLICATE ANALYSES.	
1936	1	1688.89	51	whole rock	conventional K-Ar	1	"4.72E-04, 0.584E-04, 1.19E-04*"	0.953	38.37	98			minimum age of metamorphic crystallization	FIELD NUMBER MN-3	POTASSIUM DETERMINED BY X-RAY FLUORESCENCE; ARGON VALUE IS AVERAGE OF 2 ANALYSES	
1937	1	1571.42	47	whole rock	conventional K-Ar	2	"4.72E-04, 0.584E-04, 1.19E-04*"	0.575	20.75	89			minimum age of metamorphic crystallization	FIELD NUMBER MN-4	POTASSIUM VALUE IS AVERAGE OF 5 SAMPLES; POTASSIUM DETERMINED BY X-RAY FLUORESCENCE	
1938	1	1527.21	23	whole rock	conventional K-Ar	3	"4.72E-04, 0.584E-04, 1.19E-04*"	1.143	39.53	99			minimum age of metamorphic crystallization	FIELD NUMBER MN-5	POTASSIUM VALUE IS AVERAGE OF 2 DETERMINATIONS BY X-RAY FLUORESCENCE	
1939	1	1981.21	40	hornblende	conventional K-Ar	4	"4.72E-04, 0.584E-04, 1.19E-04*"	0.575	29.85	95			minimum age of intrusion	"FIELD NUMBER MN-7, HORNBLENDE PARTIALLY ALTERED TO ACTINOLITE"	POTASSIUM AND ARGON VALUES ARE AVERAGES OF 2 DETERMINATIONS; POTASSIUM DETERMINED BY X-RAY FLUORESCENCE	
1939	2	1977.47	40	whole rock	conventional K-Ar	4	"4.72E-04, 0.584E-04, 1.19E-04*"	0.982	50.82	99			minimum age of intrusion	FIELD NUMBER MN-7	POTASSIUM VALUE IS AVERAGE OF 3 DETERMINATIONS BY X-RAY FLUORESCENCE	
1940	1	1954.27	195	pyroxenes	conventional K-Ar	5	"4.72E-04, 0.584E-04, 1.19E-04*"	0.29	14.72	96			minimum age of intrusion	FIELD NUMBER MN-8; ANALYZED MATERIAL CONTAINS PYROXENE PLUS HORNBLENDE AND BIOTITE	POTASSIUM VALUE IS AVERAGE OF 2 DETERMINATIONS BY X-RAY FLUORESCENCE	
1940	2	1768.76	35	whole rock	conventional K-Ar	5	"4.72E-04, 0.584E-04, 1.19E-04*"	0.917	39.67	98			age not evaluated	FIELD NUMBER MN-8	POTASSIUM AND ARGON VALUES ARE AVERAGES OF 2 DETERMINATIONS; POTASSIUM DETERMINED BY X-RAY FLUORESCENCE	
1941	1	2228.73	224	whole rock	conventional K-Ar	6	"4.72E-04, 0.584E-04, 1.19E-04*"	0.3	19.01	94			minimum age of intrusion	FIELD NUMBER MN-9	ARGON VALUE IS AVERAGE OF REPLICATE ANALYSES; POTASSIUM VALUE IS AVERAGE OF 3 DETERMINATIONS BY X-RAY FLUORESCENCE	
1942	1	1739.88	52	whole rock	conventional K-Ar	7	"4.72E-04, 0.584E-04, 1.19E-04*"	0.907	38.24	98			age of metamorphic crystallization	FIELD NUMBER MN-12	POTASSIUM VALUE IS AVERAGE OF 3 DETERMINATIONS BY X-RAY FLUORESCENCE	
1943	1	1634.58	50	whole rock	conventional K-Ar	8	"4.72E-04, 0.584E-04, 1.19E-04*"	0.705	27	97			age of metamorphic crystallization	FIELD NUMBER MN-13	POTASSIUM VALUE IS AVERAGE OF 3 DETERMINATIONS BY X-RAY FLUORESCENCE	
1944	1	1403.02	42	whole rock	conventional K-Ar	9	"4.72E-04, 0.584E-04, 1.19E-04*"	0.971	29.67	98			minimum age of metamorphic crystallization	FIELD NUMBER MN-14	POTASSIUM VALUE IS AVERAGE OF 3 DETERMINATIONS MADE BY X-RAY FLUORESCENCE	
1945	1	1032.27	30	whole rock	conventional K-Ar	12	"4.72E-04, 0.584E-04, 1.19E-04*"	0.545	10.93	87			age of intrusion	FIELD NUMBER ON23	POTASSIUM VALUE IS AVERAGE OF 2 DETERMINATIONS MADE BY X-RAY FLUORESCENCE	
1946	1	1109.58	33	whole rock	conventional K-Ar	14	"4.72E-04, 0.584E-04, 1.19E-04*"	0.541	11.94	91			age of intrusion	FIELD NUMBER SH-45	POTASSIUM AND ARGON VALUES ARE AVERAGES OF 2 DETERMINATIONS; POTASSIUM DETERMINED BY X-RAY FLUORESCENCE	
1947	1	1061.84	15	whole rock	conventional K-Ar	15	"4.72E-04, 0.584E-04, 1.19E-04*"	1.226	25.52	97			age of intrusion	FIELD NUMBER MN-15	POTASSIUM VALUE IS AVERAGE OF 2 DETERMINATIONS BY X-RAY FLUORESCENCE	
1948	1	439	16	hornblende	conventional K-Ar	L-853H	"4.72E-04, 0.583E-04*"	5.7	40.78	96			minimum age of metamorphic crystallization	HORNBLENDE SEPARATE ESSENTIALLY PURE AND UNALTERED	HIGH POTASSIUM CONTENT FOR HORNBLENDE CONCENTRATE--COMPILER	
1949	1	321	12	hornblende	conventional K-Ar	L-857 H	"4.72E-04, 0.583E-04*"	1.81	9.157	95			initial age disturbed by later metamorphism			
1950	1	310	12	hornblende	conventional K-Ar	L-858H	"4.72E-04, 0.583E-04"	1.22	7.031	97			initial age disturbed by later metamorphism	NO VISIBLE BIOTITE IN HORNBLENDE SEPARATE; 99% PURE	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES	
1950	2	318.82	12	biotite	conventional K-Ar	L-858B	"4.72E-04, 0.583E-04*"	8.72	43.78	86			initial age disturbed by later metamorphism			
1951	1	331	12	muscovite	conventional K-Ar	L-860M	"4.72E-04, 0.583E-04*"	8.89	46.54	80			initial age disturbed by later metamorphism	MUSCOVITE SEPARATE NEARLY PURE; 1% CHLORITE		
1952	1	287	11	hornblende	conventional K-Ar	L-861H	"4.72E-04, 0.583E-04*"	1.22	5.454	94			initial age disturbed by later metamorphism	"HORNBLENDE SEPARATE HAS 2% IMPURITIES, NO BIOTITE"		
1953	1	295	11	biotite	conventional K-Ar	L-864B	"4.72E-04, 0.583E-04"	9.08	29.27	79			initial age disturbed by later metamorphism	BIOTITE SEPARATE HAS ABOUT 1% IMPURITIES		
1954	1	337	13	muscovite	conventional K-Ar	L-865M	"4.72E-04, 0.583E-04*"	9.48	50.54	82			initial age disturbed by later metamorphism	NEARLY PURE MUSCOVITE SEPARATE		
1955	1	305	12	biotite	conventional K-Ar	L-866B	"4.72E-04, 0.583E-04*"	9.79	46.79	80			initial age disturbed by later metamorphism	COARSE BIOTITE SEPARATE; PURE	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES	
1956	1	317	9	muscovite	conventional K-Ar	L-867M	"4.72E-04, 0.583E-04*"	10.63	53.04	85			initial age disturbed by later metamorphism	MUSCOVITE SEPARATE IS ABOUT 98% PURE; 1% BIOTITE		
1957	1	302	8	muscovite	conventional K-Ar	L-870M	"4.72E-04, 0.583E-04*"	10.24	48.54	93			minimum age of intrusion	SEPARATED MUSCOVITE IS ABOUT 95% PURE; SOME BIOTITE		
1958	1	292	11	muscovite	conventional K-Ar	L-872M	"4.72E-04, 0.583E-04*"	10.98	50.04	95			initial age disturbed by later metamorphism	"MUSCOVITE SEPARATE ABOUT 98% PURE, SOME BIOTITE"		
1959	1	263	10	biotite	conventional K-Ar	L-873B	"4.72E-04, 0.583E-04*"	7.99	32.53	95			age of later metamorphism	REDDISH-BROWN BIOTITE SEPARATE WITH 2% IMPURITIES		
1960	1	291	11	biotite	conventional K-Ar	L-874B	"4.72E-04, 0.583E-04*"	8.7	39.53	91			initial age disturbed by later metamorphism	SEPARATED BIOTITE IS 99% PURE		
1961	1	265	11	biotite	conventional K-Ar	L-875B	"4.72E-04, 0.583E-04"	6.39	31.77	85			initial age disturbed by later metamorphism	BIOTITE FRACTION IS ABOUT 95% PURE		
1961	2	421	16	hornblende	conventional K-Ar	L-875H	"4.72E-04, 0.583E-04*"	0.634	4.328	77			initial age disturbed by later metamorphism	TRACE OF BIOTITE IN HORNBLENDE CONCENTRATE	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES	
1962	1	244	10	muscovite	conventional K-Ar	L-879M	"4.72E-04, 0.583E-04*"	10.45	39.28	92			age of later metamorphism			
1963	1	331	13	muscovite	conventional K-Ar	L-881M	"4.72E-04, 0.583E-04*"	10.52	55.04	91			initial age disturbed by later metamorphism	"COARSE BOOK MUSCOVITE, 98% PURE"		
1964	1	288	11	muscovite	conventional K-Ar	L-882M	"4.72E-04, 0.583E-04*"	8.92	40.03	88			initial age disturbed by later metamorphism	ABOUT 98% PURE		
1965	1	309	12	biotite	conventional K-Ar	L-980B	"4.72E-04, 0.583E-04*"	9.53	46.29	89			initial age disturbed by later metamorphism	ESSENTIALLY PURE AND UNALTERED		
1966	1	340	13	biotite	conventional K-Ar	L-981B	"4.72E-04, 0.583E-04*"	9.25	49.79	92			initial age disturbed by later metamorphism	SOME ALTERED BIOTITE		
1967	1	323	13	biotite	conventional K-Ar	L-982B	"4.72E-04, 0.583E-04*"	9.1	46.29	94			initial age disturbed by later metamorphism	BIOTITE APPEARS UNALTERED		
1968	1	307	13	biotite	conventional K-Ar	L-983B	"4.72E-04, 0.583E-04*"	8.68	41.78	94			initial age disturbed by later metamorphism	BIOTITE CONCENTRATE IS 95% PURE		
1969	1	377	15	biotite	conventional K-Ar	L-984B	"4.72E-04, 0.583E-04*"	8	48.29	92			initial age disturbed by later metamorphism	SEPARATED BIOTITE APPEARS UNALTERED AND IS ESSENTIALLY PURE		
1970	1	368	14	biotite	conventional K-Ar	L-985B	"4.72E-04, 0.583E-04*"	6.89	40.53	94			initial age disturbed by later metamorphism	"SEPARATED BIOTITE APPEARS VERY FRESH, 95% PURE CONCENTRATE"		
1971	1	343	13	biotite	conventional K-Ar	L-986B	"4.72E-04, 0.583E-04*"	8.18	44.53	94			initial age disturbed by later metamorphism	"BIOTITE IS VERY FRESH IN APPEARANCE, 98% PURE CONCENTRATE"		
1972	1	401	16	hornblende	conventional K-Ar	L-987H	"4.72E-04, 0.583E-04*"	1.2	7.756	81			initial age disturbed by later metamorphism	SEPARATED HORNBLENDE IS BLACK IN APPEARANCE WITH ONLY A TRACE OF IMPURITIES		
1973	1	337	13	biotite	conventional K-Ar	L-988B	"4.72E-04, 0.583E-04*"	8.83	47.04	89				BIOTITE 98% PURE		
1974	1	287	11	biotite	conventional K-Ar	L-989B	"4.72E-04, 0.583E-04*"	7.77	34.78	92			initial age disturbed by later metamorphism	5% CHLORITE AND 5% IMPURITIES IN BIOTITE CONCENTRATE		
1975	1	260	10	biotite	conventional K-Ar	L-990B	"4.72E-04, 0.583E-04*"	7.76	31.27	89			age of later metamorphism	SLIGHTLY ALTERED WITH 5% CHLORITE AND 2% IMPURITIES		
1976	1	280	10	biotite	conventional K-Ar	L-991B	"4.72E-04, 0.583E-04*"	6.53	28.52	88			initial age disturbed by later metamorphism	MODERATELY-ALTERED CONCENTRATE WITH 10% CHLORITE AND 3% QUARTZ-FELDSPAR		
1977	1	327	13	biotite	conventional K-Ar	L-992B	"4.72E-04, 0.583E-04*"	8.72	45.04	92			initial age disturbed by later metamorphism	BIOTITE APPEARS QUITE FRESH		
1978	1	335	13	biotite	conventional K-Ar	L-993B	"4.72E-04, 0.583E-04*"	8.49	45.04	93			initial age disturbed by later metamorphism	SEPARATED BIOTITE HAS ABOUT 3% IMPURITIES INCLUDING MUSCOVITE		
1979	1	447	17	biotite	conventional K-Ar	L-994B	"4.72E-04, 0.583E-04*"	7.52	54.92	97			minimum age of metamorphic crystallization	VERY FRESH BIOTITE	ARGON VALUE IS AVERAGE OF REPLICATE ANALYSES	
1980	1	353	14	biotite	conventional K-Ar	L-995B	"4.72E-04, 0.583E-04*"	8.33	46.79	87			initial age disturbed by later metamorphism	BIOTITE HAS ABOUT 5% IMPURITIES (QUARTZ)		
1981	1	370	15	biotite	conventional K-Ar	L-996B	"4.72E-04, 0.583E-04"	8.08	53.41	95			initial age disturbed by later metamorphism	BIOTITE CONCENTRATE WITH 1% IMPURITIES	ARGON VALUE IS AVERAGE OF REPLICATE ANALYSES	
1982	1	407	16	biotite	conventional K-Ar	L-997B	"4.72E-04, 0.583E-04*"	8.65	56.79	84			initial age disturbed by later metamorphism	"BIOTITE APPEARS QUITE FRESH, 99% CONCENTRATE"		
1983	1	342	13	biotite	conventional K-Ar	L-998	"4.72E-04, 0.583E-04*"	8.12	44.03	76			initial age disturbed by later metamorphism	SEPARATED BIOTITE APPEARS MODERATELY ALTERED IN PART		
1984	1	369	14	hornblende	conventional K-Ar	L-1001H	"4.72E-04, 0.583E-04*"	1.02	6.005	64			initial age disturbed by later metamorphism	GREEN HORNBLENDE CONTAINS LESS THAN 1% BIOTITE		
1984	2	336	13	biotite	conventional K-Ar	L-1001B	"4.72E-04, 0.583E-04*"	9	47.79	94			initial age disturbed by later metamorphism	UNALTERED BIOTITE WITH 1% CHLORITE		
1985	1	320	12	biotite	conventional K-Ar	L-1002B	"4.72E-04, 0.583E-04*"	9.23	46.54	92			initial age disturbed by later metamorphism	BIOTITE CONCENTRATE IS 98% PURE		
1986	1	269	11	biotite	conventional K-Ar	L-1003B	"4.72E-04, 0.583E-04*"	7.86	32.78	84			initial age disturbed by later metamorphism	BIOTITE APPEARS VERY FRESH AND UNALTERED		
1987	1	266	10	biotite	conventional K-Ar	L-1004B	"4.72E-04, 0.583E-04*"	8.96	37.03	91			age of later metamorphism			
1988	1	333	13	biotite	conventional K-Ar	L-1005B	"4.72E-04, 0.583E-04*"	6.33	33.28	91			initial age disturbed by later metamorphism	BIOTITE CONCENTRATE CONTAINED 5% CHLORITE AND 1% IMPURITIES		
1989	1	305	12	biotite	conventional K-Ar	L-1006B	"4.72E-04, 0.583E-04*"	9.68	46.29	92			initial age disturbed by later metamorphism	VERY FRESH BIOTITE		
1990	1	266	10	biotite	conventional K-Ar	L-1008B	"4.72E-04, 0.583E-04*"	8.14	33.53	86			age of later metamorphism	"REDDISH BIOTITE, SOME ALTERED GRAINS"		
1991	1	322	13	biotite	conventional K-Ar	L-1009B	"4.72E-04, 0.583E-04*"	6.99	35.53	88			initial age disturbed by later metamorphism	BIOTITE CONCENTRATE WITH 5% CHLORITE AND 2% QUARTZ-FELDSPAR	ARGON VALUE IS AVERAGE OF REPLICATE ANALYSES	
1992	1	345	14	biotite	conventional K-Ar	L-1010B	"4.72E-04, 0.583E-04*"	8.17	44.78	91			initial age disturbed by later metamorphism	BIOTITE CONCENTRATE PLUS 2% CHLORITE AND 2% IMPURITIES		
1993	1	317	12	biotite	conventional K-Ar	L-1011B	"4.72E-04, 0.583E-04*"	5.87	29.27	73			initial age disturbed by later metamorphism	BIOTITE MODERATELY ALTERED WITH 10% CHLORITE		
1994	1	463	18	biotite	conventional K-Ar	L-1012B	"4.72E-04, 0.583E-04*"	8.82	67.05	96			minimum age of metamorphic crystallization	VERY FRESH BIOTITE WITH ABOUT 3% CHLORITE		
1995	1	374	15	hornblende	conventional K-Ar	1088H	"4.72E-04, 0.583E-04*"	0.329	1.97	51			initial age disturbed by later metamorphism	GREENISH HORNBLENDE SEPARATE		
1996	1	356	14	biotite	conventional K-Ar	L-1089B	"4.72E-04, 0.583E-04*"	8.57	48.54	95			initial age disturbed by later metamorphism	REDDISH BIOTITE CONCENTRATE PLUS 2% CHLORITE AND IMPURITIES		
1997	1	335	13	biotite	conventional K-Ar	L-1090B	"4.72E-04, 0.583E-04*"	5.2	27.52	85			initial age disturbed by later metamorphism	COARSE BIOTITE APPEARS MODERATELY ALTERED	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES	
1997	2	362	14	muscovite	conventional K-Ar	L-1090M	"4.72E-04, 0.583E-04*"	10.58	61.05	85			minimum age of intrusion			
1998	1	363	14	biotite	conventional K-Ar	L-1092B	"4.72E-04, 0.583E-04*"	8.72	50.54	95			initial age disturbed by later metamorphism	VERY FRESH BIOTITE		
1999	1	373	14	hornblende	conventional K-Ar	L-1096H	"4.72E-04, 0.583E-04*"	1.37	8.18	79			initial age disturbed by later metamorphism			
2000	1	396	15	biotite	conventional K-Ar	L-1096 B	"4.72E-04, 0.583E-04*"	8.01	51.05	95			initial age disturbed by later metamorphism		POTASSIUM AND ARGON VALUES ARE AVERAGES OF REPLICATE ANALYSES	
2001	1	345	13	biotite	conventional K-Ar	L-1098B	"4.72E-04, 0.583E-04*"	9.63	52.74	84			initial age disturbed by later metamorphism	BIOTITE CONCENTRATE IS 98% PURE	POTASSIUM AND ARGON VALUES ARE AVERAGES OF REPLICATE ANALYSES	
2002	1	404	16	hornblende	conventional K-Ar	L-1099H	"4.72E-04, 0.583E-04*"	0.58	3.78	79			initial age disturbed by later metamorphism	PURE HORNBLENDE SEPARATE		
2003	1	368	14	biotite	conventional K-Ar	L-1100B	"4.72E-04, 0.583E-04*"	7.96	46.79	94			initial age disturbed by later metamorphism	"NEARLY PURE BIOTITE SEPARATE, TRACE OF MUSCOVITE"	 E-10/YR	
2004	1	361	14	biotite	conventional K-Ar	L-1101B	"4.72E-04, 0.583E-04*"	7.92	45.54	94			initial age disturbed by later metamorphism	UNALTERED BIOTITE CONCENTRATE WITH 2% AMPHIBOLE		
2005	1	377	15	muscovite	conventional K-Ar	L-1101	"4.72E-04, 0.583E-04*"	9.12	55.04	84			minimum age of intrusion	MUSCOVITE CONCENTRATE CONTAINS 1% BIOTITE		
2006	1	404	16	hornblende	conventional K-Ar	L-1102H	"4.72E-04, 0.583E-04*"	0.45	2.93	64			initial age disturbed by later metamorphism			
2007	1	355	13	biotite	conventional K-Ar	L-1103B	"4.72E-04, 0.583E-04*"	7.3	41.28	93			initial age disturbed by later metamorphism	BIOTITE APPEARS MODERATELY ALTERED; 3% IMPURITIES (MOSTLY CHLORITE)	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES	
2008	1	430	17	biotite	conventional K-Ar	L-1104B	"4.72E-04, 0.583E-04"	7.01	57.96	76			minimum age of metamorphic crystallization		POTASSIUM AND ARGON VALUES ARE AVERAGES OF REPLICATE ANALYSES	
2009	1	406	16	hornblende	conventional K-Ar	L-1104H	"4.72E-04, 0.583E-04*"	0.27	1.77	68			initial age disturbed by later metamorphism	PURE HORNBLENDE SEPARATE	POTASSIUM AND ARGON VALUES ARE AVERAGES OF REPLICATE ANALYSES	
2010	1	347	13	biotite	conventional K-Ar	L-1105B	"4.72E-04, 0.583E-04*"	9.08	50.04	91			initial age disturbed by later metamorphism	"BIOTITE SEPARATE ABOUT 98% PURE, REST MUSCOVITE AND IMPURITIES"		
2011	1	369	14	biotite	conventional K-Ar	L-1106B	"4.72E-04, 0.583E-04*"	8.88	52.29	94			initial age disturbed by later metamorphism	ABOUT 1% CHLORITE WITH AGGREGATE IN BIOTITE CONCENTRATE		
2012	1	399	16	biotite	conventional K-Ar	L-1107B	"4.72E-04, 0.583E-04*"	7.93	51.04	96			initial age disturbed by later metamorphism	PURE BIOTITE		
2013	1	322	13	biotite	conventional K-Ar	L-1108B	"4.72E-04, 0.583E-04*"	9.31	47.29	76			initial age disturbed by later metamorphism			
2014	1	351	13	biotite	conventional K-Ar	L-1109B	"4.72E-04, 0.583E-04*"	7.41	41.28	94			initial age disturbed by later metamorphism	MODERATELY-ALTERED BIOTITE; CONCENTRATE CONTAINS 5% CHLORITE AND IMPURITIES		
2015	1	453	18	hornblende	conventional K-Ar	L-1110H	"4.72E-04, 0.583E-04*"	3.91	29.02	95			initial age disturbed by later metamorphism	ABOUT 2% BIOTITE IN HORNBLENDE CONCENTRATE	POTASSIUM AND ARGON VALUES ARE AVERAGES OF REPLICATE ANALYSES	WHOLE-ROCK RB-SR GIVES 570+/-15 M.Y.
2029	1	160.93	3	biotite	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04*"	6.85	16.6	86			age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES OF REPLICATE DETERMINATIONS	
2030	1	175.09	3	biotite	conventional K-Ar	2	"4.72E-04, 0.585E-04, 1.19E-04*"	7.54	19.96	95			age of intrusion			
2031	1	186.98	4	biotite	conventional K-Ar	3	"4.72E-04, 0.585E-04, 1.19E-04*"	8.19	23.23	92			age of intrusion			
2032	1	171.36	3	biotite	conventional K-Ar	4	"4.72E-04, 0.585E-04, 1.19E-04*"	8.18	21.17	95			age of intrusion			
2033	1	173.8	3	biotite	conventional K-Ar	5	"4.72E-04, 0.585E-04, 1.19E-04*"	7.18	18.86	91			minimum age of intrusion			
2034	1	184.51	4	biotite	conventional K-Ar	6	"4.72E-04, 0.585E-04, 1.19E-04*"	7.83	21.9	95			age of intrusion			
2035	1	117	2	biotite	conventional K-Ar	7	"4.72E-04, 0.585E-04, 1.19E-04*"	8.28	14.41	86			age of intrusion			
2036	1	161.28	3	biotite	conventional K-Ar	8	"4.72E-04, 0.585E-04, 1.19E-04*"	8.09	19.65	93			age of intrusion			
2037	1	151.44	3	biotite	conventional K-Ar	9	"4.72E-04, 0.585E-04, 1.19E-04*"	7.8	17.74	86			age of intrusion			
2038	1	115.18	2	biotite	conventional K-Ar	10	"4.72E-04, 0.585E-04, 1.19E-04*"	8.69	14.88	90			age of intrusion			
2039	1	120.21	2	biotite	conventional K-Ar	11	"4.72E-04, 0.585E-04, 1.19E-04*"	8.08	14.46	91			age of intrusion		ARGON VALUE IS AVERAGE OF TWO ANALYSES	
2040	1	112.47	2	biotite	conventional K-Ar	12	"4.72E-04, 0.585E-04, 1.19E-04*"	8.14	13.6	76			age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES OF REPLICATE ANALYSES	
2041	1	115.48	2	biotite	conventional K-Ar	13	"4.72E-04, 0.585E-04, 1.19E-04*"	7.7	13.22	95			age of intrusion			
2042	1	123.09	2	biotite	conventional K-Ar	14	"4.72E-04, 0.585E-04, 1.19E-04*"	6.93	12.71	94			age of intrusion			
2043	1	219.8	4	biotite	conventional K-Ar	15	"4.72E-04, 0.585E-04, 1.19E-04*"	7.83	26.35	94			age of intrusion			
2097	1	113.86	2	biotite	conventional K-Ar	1	"4.72E-04, 0.584E-04, 1.19E-04*"	7.21	12.2	46			age of intrusion	BIOTITE SLIGHTLY CHLORITIZED	POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES	
2098	1	155.65	3	glass	conventional K-Ar	2A	"4.72E-04, 0.584E-04, 1.19E-04*"	2.38	5.57	90			minimum age of intrusion	GLASSY GROUNDMASS (MATRIX)	POTASSIUM VALUE IS AVERAGE OF 3 ANALYSES	
2098	2	173	2	hornblende	conventional K-Ar	2B	"4.72E-04, 0.584E-04, 1.19E-04*"	1.3	3.39	64			age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES OF REPLICATE ANALYSES	
2099	1	201.03	4	biotite	conventional K-Ar	3	"4.72E-04, 0.584E-04, 1.19E-04*"	8.59	26.3	79			age of intrusion		POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES	
2100	1	203.43	4	biotite	conventional K-Ar	4	"4.72E-04, 0.584E-04, 1.19E-04*"	8.87	27.5	87			age of intrusion		POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES	
2101	1	102.44	2	biotite	conventional K-Ar	5	"4.72E-04, 0.584E-04, 1.19E-04*"	8.83	13.4	92			age of intrusion		POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES	
2102	1	98.83	2	biotite	conventional K-Ar	6	"4.72E-04, 0.584E-04, 1.19E-04*"	8	11.7	87			age of intrusion		POTASSIUM VALUE IS AVERAGE OF REPLICATE ANALYSES	
2115	1	236.69	5	biotite	conventional K-Ar	YAG-4	"4.72E-04, 0.584E-04, 1.19E-04*"	7.36	26.8	91			age of later metamorphism			
2133	1	259.43	13	whole rock	conventional K-Ar	R-3917	"4.72E-04, 0.584E-04, 1.19E-04*"	4.71	18.92	94			minimum age of metamorphic crystallization			
2134	1	236.33	12	whole rock	conventional K-Ar	R-3920	"4.72E-04, 0.584E-04, 1.19E-04*"	3.4	12.36	87			minimum age of metamorphic crystallization			
2135	1	270.29	13	whole rock	conventional K-Ar	R3818	"4.72E-04, 0.584E-04, 1.19E-04*"	4.85	20.36	98			age of metamorphic crystallization			
2135	2	267.2	13	whole rock	conventional K-Ar	R-3818	"4.72E-04, 0.584E-04, 1.19E-04*"	4.85	20.11	98			age of metamorphic crystallization			
2136	1	281.7	15	biotite	conventional K-Ar	B-3817	"4.72E-04, 0.584E-04, 1.19E-04*"	3.98	17.47	92			age not evaluated	IMPURE CONCENTRATE		
2136	2	253.2	12	biotite	conventional K-Ar	B-3817A	"4.72E-04, 0.584E-04, 1.19E-04*"	7.75	30.33	91			age of metamorphic crystallization	UPGRADED CONCENTRATE		
2137	1	242.72	11	biotite	conventional K-Ar	B-3815	"4.72E-04, 0.584E-04, 1.19E-04*"	8.55	31.98	97			minimum age of metamorphic crystallization			
2138	1	234.8	11	biotite	conventional K-Ar	B-3816	"4.72E-04, 0.584E-04, 1.19E-04*"	8.34	30.11	88			minimum age of intrusion			
2139	1	245.7	12	biotite	conventional K-Ar	B-3814	"4.72E-04, 0.584E-04, 1.19E-04*"	7.6	28.8	93			minimum age of intrusion			
2140	1	287.83	15	whole rock	conventional K-Ar	R-3821	"4.72E-04, 0.584E-04, 1.19E-04*"	4.16	18.69	95			age of later metamorphism			
2141	1	248.87	13	biotite	conventional K-Ar	B-3012	"4.72E-04, 0.584E-04, 1.19E-04*"	7.08	27.2	100			age of later metamorphism			
2142	1	253.29	13	biotite	conventional K-Ar	B-3013	"4.72E-04, 0.584E-04, 1.19E-04*"	8.71	34.1	96			age of later metamorphism			
2143	1	180.22	8	biotite	conventional K-Ar	B-3126B	"4.72E-04, 0.584E-04, 1.19E-04*"	8.07	22.02	94			age of intrusion			
2190	1	365.69	17	biotite	conventional K-Ar	B-3609	"4.72E-04, 0.585E-04, 1.19E-04*"	6.66	38.87	84			age of intrusion			
2190	2	377.15	17	biotite	conventional K-Ar	B-3609	"4.72E-04, 0.585E-04, 1.19E-04*"	6.66	40.22	94			age of intrusion			
2190	3	368.58	15	biotite	conventional K-Ar	B-3609	"4.72E-04, 0.585E-04, 1.19E-04*"	6.66	39.21	100			age of intrusion			
2191	1	358.63	10	biotite	conventional K-Ar	ME-10	"4.72E-04, 0.585E-04, 1.19E-04*"	8.44	48.21	96			age of intrusion			
2192	1	382.99	10	whole rock	conventional K-Ar	R-3883	"4.72E-04, 0.585E-04, 1.19E-04*"	3.43	21.07	100			age of metamorphic crystallization			
2193	1	384.62	18	whole rock	conventional K-Ar	R-3447	"4.72E-04, 0.585E-04, 1.19E-04*"	3.2	19.75	97			age of metamorphic crystallization			
2194	1	375.52	15	whole rock	conventional K-Ar	R-3444	"4.72E-04, 0.585E-04, 1.19E-04*"	3.94	23.68	98			age of metamorphic crystallization			
2195	1	355.18	15	whole rock	conventional K-Ar	R-3448	"4.72E-04, 0.585E-04, 1.19E-04*"	3.1	17.52	88			minimum age of metamorphic crystallization			
2196	1	362.39	15	biotite	conventional K-Ar	B-3593	"4.72E-04, 0.585E-04, 1.19E-04*"	4.51	26.06	97			initial age disturbed by later metamorphism			
2197	1	373.06	10	biotite	conventional K-Ar	ME-9	"4.72E-04, 0.585E-04, 1.19E-04*"	5.38	32.1	83			initial age disturbed by later metamorphism			
2197	2	372.84	10	biotite	conventional K-Ar	ME-9	"4.72E-04, 0.585E-04, 1.19E-04*"	4.83	28.8	68			initial age disturbed by later metamorphism			
2198	1	323		biotite	conventional K-Ar	(NOT GIVEN)	no decay constants given						age of uplift and cooling		NO ANALYTICAL DATA GIVEN	
2198	2	386		hornblende	conventional K-Ar	(NOT GIVEN)	no decay constants given								NO ANALYTICAL DATA GIVEN	APPROXIMATE AGE OF A THERMAL AND METASOMATIC EVENT WHICH RESET K-AR MINERAL AGES
2199	1	359		biotite	conventional K-Ar	(NOT GIVEN)	no decay constants given						age of uplift and cooling		NO ANALYTICAL DATA GIVEN	
2199	2	380		hornblende	conventional K-Ar	(NOT GIVEN)	no decay constants given								NO ANALYTICAL DATA GIVEN	APPROXIMATE AGE OF A THERMAL AND METASOMATIC EVENT WHICH RESET K-AR MINERAL AGES
2200	1	346		biotite	conventional K-Ar	(NOT GIVEN)	no decay constants given						age of uplift and cooling		NO ANALYTICAL DATA GIVEN	
2200	2	342		hornblende	conventional K-Ar	(NOT GIVEN)	no decay constants given						age of uplift and cooling		NO ANALYTICAL DATA GIVEN	
2201	1	314		biotite	conventional K-Ar	(NOT GIVEN)	no decay constants given						age of uplift and cooling		NO ANALYTICAL DATA GIVEN	
2201	2	336		hornblende	conventional K-Ar	(NOT GIVEN)	no decay constants given						age of uplift and cooling		NO ANALYTICAL DATA GIVEN	
2202	1	342		biotite	conventional K-Ar	(NOT GIVEN)	no decay constants given						age of uplift and cooling		NO ANALYTICAL DATA GIVEN	
2202	2	399		hornblende	conventional K-Ar	(NOT GIVEN)	no decay constants given								NO ANALYTICAL DATA GIVEN	APPROXIMATE AGE OF A THERMAL AND METASOMATIC EVENT WHICH RESET K-AR MINERAL AGES
2214	1	322.4		biotite	conventional K-Ar	YAG 14	"4.72E-04, 0.584E-04, 1.19E-04*"	6.69	34	94			initial age disturbed by later metamorphism			
2215	1	345.37		biotite	conventional K-Ar	YAG 15	"4.72E-04, 0.584E-04, 1.19E-04*"	8.77	48.06	97			initial age disturbed by later metamorphism	2% CHLORITE		
2216	1	346.06		muscovite	conventional K-Ar	YAG 17	"4.72E-04, 0.584E-04, 1.19E-04*"	8.23	45.2	96			minimum age of metamorphic crystallization			
2221	1	352.09		whole rock	conventional K-Ar	B-2	"4.72E-04, 0.584E-04, 1.19E-04*"	4.05	22.67	93			initial age disturbed by later metamorphism			
2223	1	231.82		whole rock	conventional K-Ar	B-5	"4.72E-04, 0.584E-04, 1.19E-04*"	0.57	2.03	53			initial age disturbed by later metamorphism			
2224	1	263.88		whole rock	conventional K-Ar	B-6	"4.72E-04, 0.584E-04, 1.19E-04*"	0.11	0.45	25			initial age disturbed by later metamorphism			
2227	1	262.49		biotite	conventional K-Ar	B-9	"4.72E-04, 0.584E-04, 1.19E-04*"	7.37	29.98	91			initial age disturbed by later metamorphism	5% CHLORITE		
2228	1	271		biotite	conventional K-Ar	B-10	"4.72E-04, 0.584E-04, 1.19E-04*"	8.15	34.31	91			initial age disturbed by later metamorphism	2% CHLORITE		
2230	1	326.38		biotite	conventional K-Ar	B-12	"4.72E-04, 0.584E-04, 1.19E-04*"	8.62	44.4	93			initial age disturbed by later metamorphism	BIOTITE-MUSCOVITE MIXTURE		
2231	1	328.08		muscovite	conventional K-Ar	B-13	"4.72E-04, 0.584E-04, 1.19E-04*"	10.38	53.77	94			initial age disturbed by later metamorphism	MUSCOVITE-BIOTITE MIXTURE		
2319	1	770.55	50	whole rock	conventional K-Ar	US-12	"4.72E-04, 0.585E-04, 1.19E-04*"	0.112	1.55	29			age meaning uncertain (geologic factors)		REPLICATE K AND AR ANALYSES	AGE TOO YOUNG
2320	1	1201.56	40	whole rock	conventional K-Ar	68-2	"4.72E-04, 0.585E-04, 1.19E-04*"	1.92	47.2	98			minimum age of metamorphic crystallization		REPLICATE K AND AR ANALYSES	
2339	1	1466.46	50	hornblende	conventional K-Ar	D1268	"4.72E-04, 0.584E-04, 1.19E-04*"	0.442	14.4	97			initial age disturbed by later metamorphism			
2340	1	1366.13	50	hornblende	conventional K-Ar	D1276	"4.72E-04, 0.584E-04, 1.19E-04*"	0.476	14	96			initial age disturbed by later metamorphism			
2341	1	28.87	0.6	biotite	conventional K-Ar	735	"4.72E-04, 0.584E-04, 1.19E-04*"	7.47	3.13	78			age of volcanism		DUPLICATE K ANALYSES	
2342	1	27.3	0.5	biotite	conventional K-Ar	737	"4.72E-04, 0.584E-04, 1.19E-04*"	7.98	3.16	68			age of volcanism		DUPLICATE K ANALYSES	
2343	1	27.24	0.5	biotite	conventional K-Ar	736	"4.72E-04, 0.584E-04, 1.19E-04*"	4.96	1.96	64			age of volcanism	6% CHLORITE	DUPLICATE K ANALYSES	
2344	1	50.55	1.6	chlorite group	conventional K-Ar	738	"4.72E-04, 0.584E-04, 1.19E-04*"	1.13	0.834	31			minimum age of intrusion	ALTERED MAFIC MATERIAL; CHLORITE + CLAY	DUPLICATE K ANALYSES	
2344	2	23.82	0.5	plagioclase	conventional K-Ar	738R	"4.72E-04, 0.584E-04, 1.19E-04*"	2.61	0.901	66					DUPLICATE K ANALYSES	AGE TOO YOUNG
2345	1	26.14	0.7	whole rock	conventional K-Ar	739	"4.72E-04, 0.584E-04, 1.19E-04*"	2.06	0.781	39			minimum age of volcanism		DUPLICATE K ANALYSES	
2346	1	15.28	0.3	whole rock	conventional K-Ar	741	"4.72E-04, 0.584E-04, 1.19E-04*"	5.66	1.25	48			minimum age of volcanism		DUPLICATE K ANALYSES	
2347	1	183.83	4	pyroxenes	conventional K-Ar	744	"4.72E-04, 0.584E-04, 1.19E-04*"	0.664	1.85	64				25% CHLORITE AND 10% WHOLE-ROCK	DUPLICATE K AND AR ANALYSES	AGE TOO OLD
2347	2	62.9	1.2	plagioclase	conventional K-Ar	744R	"4.72E-04, 0.584E-04, 1.19E-04*"	2.93	2.7	56			minimum age of intrusion	WHOLE-ROCK LESS HEAVY FRACTION	DUPLICATE K ANALYSES	
2348	1	489.72	10	hornblende	conventional K-Ar	745	"4.72E-04, 0.584E-04, 1.19E-04*"	0.958	7.76	91				5% CHLORITE AND 3% WHOLE-ROCK	DUPLICATE K AND AR ANALYSES	AGE TOO OLD
2348	2	85.6	1.7	plagioclase	conventional K-Ar	745R	"4.72E-04, 0.584E-04, 1.19E-04*"	1.87	2.36	47				WHOLE ROCK LESS HEAVY FRACTION	DUPLICATE K AND AR ANALYSES	AGE APPEARS TOO OLD
2349	1	87.67		augite-ferroaugite	conventional K-Ar	743P	"4.72E-04, 0.584E-04, 1.19E-04*"	0.576	0.745	46				5% HORNBLENDE AND 6% WHOLE-ROCK	REPLICATE K AND AR ANALYSES	AGE TOO OLD
2349	2	66.62	1.3	biotite	conventional K-Ar	743	"4.72E-04, 0.584E-04, 1.19E-04*"	8.28	8.09	79			age of intrusion	4% CHLORITE AND 6% HORNBLENDE	DUPLICATE K AND AR ANALYSES	
2350	1	40.64	0.8	whole rock	conventional K-Ar	730	"4.72E-04, 0.584E-04, 1.19E-04*"	2.89	1.71	13					DUPLICATE K ANALYSES	AGE IS PROBABLY TOO OLD
2351	1	31.34	0.6	pyroxenes	conventional K-Ar	746	"4.72E-04, 0.584E-04, 1.19E-04*"	1.54	0.701	49			age of intrusion	1% BIOTITE	DUPLICATE K ANALYSES	
2352	1	69.25	1.4	hornblende	conventional K-Ar	748	"4.72E-04, 0.584E-04, 1.19E-04*"	1.84	1.87	69			age of intrusion	4% WHOLE-ROCK	DUPLICATE K ANALYSES	
2352	2	69.76	1.4	plagioclase	conventional K-Ar	748R	"4.72E-04, 0.584E-04, 1.19E-04*"	3.34	3.42	56			age of intrusion	WHOLE ROCK LESS HEAVY FRACTION	DUPLICATE K ANALYSES	
2353	1	34.7		biotite	conventional K-Ar	733	"4.72E-04, 0.584E-04, 1.19E-04*"	3.37	1.7	60			age of intrusion	25% CHLORITE AND 20% WHOLE-ROCK	DUPLICATE K ANALYSES	
2354	1	24.05	0.5	hornblende	conventional K-Ar	749A	"4.72E-04, 0.584E-04, 1.19E-04*"	1.42	0.495	43			age of intrusion	PYROXENE+HORNBLENDE WITH 5% WHOLE-ROCK	REPLICATE K ANALYSES	
2355	1	27.94	1.1	chlorite group	conventional K-Ar	750	"4.72E-04, 0.584E-04, 1.19E-04*"	0.634	0.257	26			minimum age of intrusion	ALTERED MAFIC MATERIAL	DUPLICATE K ANALYSES	
2355	2	28.96	0.8	plagioclase	conventional K-Ar	750R	"4.72E-04, 0.584E-04, 1.19E-04*"	2.26	0.95	37			minimum age of intrusion	WHOLE ROCK LESS HEAVY FRACTION	DUPLICATE K ANALYSES	
2356	1	44.72	0.9	hornblende	conventional K-Ar	751	"4.72E-04, 0.584E-04, 1.19E-04*"	1.58	1.03	77			age of intrusion	17% WHOLE-ROCK	DUPLICATE K ANALYSES	
2356	2	49.52	0.9	plagioclase	conventional K-Ar	751R	"4.72E-04, 0.584E-04, 1.19E-04*"	2.02	1.46	54			age of intrusion	WHOLE ROCK LESS HEAVY FRACTION	REPLICATE K AND AR ANALYSES	
2357	1	12.58	0.3	sanidine	conventional K-Ar	USGS(M)8I-142	"4.72E-04, 0.585E-04, 1.19E-04*"	6.16	1.12	92			minimum age of volcanism			
2358	1	15.1	0.4	sanidine	conventional K-Ar	USGS(M)6I-122	"4.72E-04, 0.585E-04, 1.19E-04"	6.52		72			age of volcanism			
2359	1	18.69	0.5	biotite	conventional K-Ar	USGS(M)8I-143	"4.72E-04, 0.585E-04, 1.19E-04*"	8.76	2.37	73			minimum age of volcanism			
2360	1	20.81	0.5	biotite	conventional K-Ar	USGS(M)6I-124	"4.72E-04, 0.585E-04, 1.19E-04*"	8.63	2.6	78			age of volcanism			
2361	1	20.06	0.5	sanidine	conventional K-Ar	USGS(M)6I-123	"4.72E-04, 0.585E-04, 1.19E-04*"	10.81	3.14	91			age of volcanism			
2362	1	20.35	0.5	biotite	conventional K-Ar	USGS(M)8I-150	"4.72E-04, 0.585E-04, 1.19E-04*"	6.04	1.78	44			age of volcanism			
2363	1	26.13	0.6	sanidine	conventional K-Ar	USGS(M)6I-125	"4.72E-04, 0.585E-04, 1.19E-04*"	4.75	1.8	82			age of volcanism			
2364	1	145.58	3	biotite	conventional K-Ar	YU-ACME 30	"4.72E-04, 0.584E-04, 1.19E-04*"	6.4	13.97	93			minimum age of volcanism		DUPLICATE K ANALYSES	
2365	1	163.78	3	hornblende	conventional K-Ar	YU-379	"4.72E-04, 0.584E-04, 1.19E-04*"	0.474	1.17	61			age of intrusion	30% BINARY HORNBLENDE-PYROXENE GRAINS	DUPLICATE K AND AR ANALYSES	
2365	2	149.23	3	biotite	conventional K-Ar	YU-379	"4.72E-04, 0.584E-04, 1.19E-04*"	7.38	16.53	90			age meaning uncertain (geologic factors)		DUPLICATE K AND AR ANALYSES	
2366	1	118.01	3	plagioclase	conventional K-Ar	YU-SW312	"4.72E-04, 0.584E-04, 1.19E-04*"	0.516	0.906	37			age meaning uncertain (geologic factors)		DUPLICATE K ANALYSES	
2367	1	142.3	2	biotite	conventional K-Ar	YU-ROCK HILL SYENITE	"4.72E-04, 0.584E-04, 1.19E-04*"	6.38	13.6	94			age of intrusion		REPLICATE K AND AR ANALYSES	MINIMUM AGE FOR THRUST EMPLACEMENT OF KLIPPE
2368	1	75.41	1	whole rock	conventional K-Ar	YU-ROCK HILL BASALT	"4.72E-04, 0.584E-04, 1.19E-04*"	6.72	7.45	84			age meaning uncertain (geologic factors)		REPLICATE K AND AR ANALYSES	
2369	1	8.82	0.17	K feldspar	conventional K-Ar	YU-1A-AY	"4.72E-04, 0.584E-04, 1.19E-04*"	8.88	1.13	74			age of volcanism		DUPLICATE K ANALYSES	
2370	1	8.43	0.16	K feldspar	conventional K-Ar	YU-1-AY	"4.72E-04, 0.584E-04, 1.19E-04*"	9.04	1.1	66			age of volcanism		DUPLICATE K ANALYSES	
2371	1	13.47	0.3	K feldspar	conventional K-Ar	YU-3-AY	"4.72E-04, 0.584E-04, 1.19E-04*"	8.22	1.6	47			age of volcanism		DUPLICATE K ANALYSES	
2372	1	20.34	4	K feldspar	conventional K-Ar	YU-2-AY	"4.72E-04, 0.584E-04, 1.19E-04*"	4.21	1.24	5			age meaning uncertain (analysis questionable)		DUPLICATE ANALYSES	
2373	1	16.67	2	whole rock	conventional K-Ar	YU-4-AY	"4.72E-04, 0.584E-04, 1.19E-04*"	1.265	0.305	8			age of volcanism		DUPLICATE ANALYSES	
2374	1	27.03	0.4	biotite	conventional K-Ar	YU-NR-LH	"4.72E-04, 0.584E-04, 1.19E-04*"	5.51	2.16	61			age of volcanism		DUPLICATE ANALYSES	GEOLOGY DISCUSSED BY BEST AND OTHERS (1973)
2375	1	34.73	0.5	biotite	conventional K-Ar	YU-CP-LH	"4.72E-04, 0.584E-04, 1.19E-04*"	7.19	3.63	59			age of volcanism		DUPLICATE ANALYSES	
2375	2	39.96	1	plagioclase	conventional K-Ar	YU-CP-LH	"4.72E-04, 0.584E-04, 1.19E-04*"	0.6	0.349	23			age not evaluated		REPLICATE ANALYSES	
2376	1	9.9	0.3	whole rock	conventional K-Ar	YU-179-PW	"4.72E-04, 0.584E-04, 1.19E-04*"	0.796	0.114	18			age of volcanism		DUPLICATE ANALYSES	
2377	1	2.23	0.3	whole rock	conventional K-Ar	YU-MP-1	"4.72E-04, 0.584E-04, 1.19E-04*"	0.41	0.0132	6			age of volcanism		DUPLICATE K ANALYSES	"MINIMUM AGE FOR ORTIZ SURFACE, MESA PRIETA"
2378	1	2.57	0.2	whole rock	conventional K-Ar	YU-JCD-1	"4.72E-04, 0.584E-04, 1.19E-04*"	0.811	0.03	11			age of volcanism		DUPLICATE K ANALYSES	MINIMUM AGE FOR ORTIZ SURFACE
2379	1	43.39	1	whole rock	conventional K-Ar	YU-YAG222	"4.72E-04, 0.584E-04, 1.19E-04*"	4.16	2.63	52			minimum age of volcanism		DUPLICATE K ANALYSES	
2380	1	67.34	2	biotite	conventional K-Ar	YU-YAG 788	"4.72E-04, 0.584E-04, 1.19E-04*"	8.18	8.08	78			minimum age of intrusion		DUPLICATE K ANALYSES	
2381	1	1390.4	40	biotite	conventional K-Ar	YU-31	"4.72E-04, 0.584E-04, 1.19E-04*"	8.64	260.6	96			age of intrusion		DUPLICATE K ANALYSES	ARMSTRONG (1964) REPORTED A K-AR AGE OF 1375 M.Y. FOR THIS BIOTITE
2382	1	26.69	0.8	muscovite	conventional K-Ar	YU-237	"4.72E-04, 0.584E-04, 1.19E-04*"	4.21	1.63	61			age not evaluated	PLUS QUARTZ	DUPLICATE K ANALYSES	
2383	1	236.73	6	hornblende	conventional K-Ar	YU-192A	"4.72E-04, 0.584E-04, 1.19E-04*"	0.229	0.834	48				MINOR QUARTZ AND CHLORITE	REPLICATE K ANALYSES	AGE APPEARS TOO OLD
2384	1	37.28	1.1	biotite	conventional K-Ar	4	"4.72E-04, 0.584E-04, 1.19E-04*"	9.09	4.93	76			age of intrusion			
2385	1	39.5	1.1	biotite	conventional K-Ar	5	"4.72E-04, 0.584E-04, 1.19E-04*"	8.68	4.99	80			age of intrusion			
2386	1	37.85	1.1	biotite	conventional K-Ar	6	"4.72E-04, 0.584E-04, 1.19E-04*"	8.97	4.94	80			age of intrusion			
2387	1	38	1.1	biotite	conventional K-Ar	7	"4.72E-04, 0.584E-04, 1.19E-04*"	8.44	2.41	89			age of intrusion		(*)	
2388	1	31.46	0.9	biotite	conventional K-Ar	9	"4.72E-04, 0.584E-04, 1.19E-04*"	8.34	3.81	67			age of volcanism			
2389	1	31.95	0.9	biotite	conventional K-Ar	11	"4.72E-04, 0.584E-04, 1.19E-04*"	8.06	3.74	58			age of volcanism			
2390	1	32.4	0.9	biotite	conventional K-Ar	12	"4.72E-04, 0.584E-04, 1.19E-04*"	8.69	4.09	79			age of intrusion			
2391	1	25.47	0.8	biotite	conventional K-Ar	LSH-1	"4.72E-04, 0.585E-04, 1.19E-04*"	6.96	2.57	73			minimum age of intrusion			
2391	2	26.05	0.8	biotite	conventional K-Ar	LSH-1	"4.72E-04, 0.585E-04, 1.19E-04*"	6.96	2.629	87			minimum age of intrusion			
2392	1	31.87	0.9	hornblende	conventional K-Ar	63-MC-64	"4.72E-04, 0.585E-04, 1.19E-04*"	0.961	0.4448	62			age of intrusion			
2393	1	29.11	1.4	biotite	conventional K-Ar	63 MC 63	"4.72E-04, 0.585E-04, 1.19E-04*"	9.01	3.807	54			age of intrusion			
2394	1	26.13	0.8	muscovite	conventional K-Ar	64 MC 20	"4.72E-04, 0.585E-04, 1.19E-04*"	10.24	3.88	78			minimum age of intrusion			
2396	1	32.92	1	biotite	conventional K-Ar	64 MC 5	"4.72E-04, 0.585E-04, 1.19E-04*"	9.15	4.376	47			age of intrusion			
2396	2	34.34	1	hornblende	conventional K-Ar	64MC5	"4.72E-04, 0.585E-04, 1.19E-04*"	0.531	0.265	53			age of intrusion			
2397	1	33.43	1	biotite	conventional K-Ar	58 FC 53	"4.72E-04, 0.585E-04, 1.19E-04*"	8.54	4.149	70			age of intrusion			
2397	2	31.92	1.5	hornblende	conventional K-Ar	58 FC 53	"4.72E-04, 0.585E-04, 1.19E-04*"	0.55	0.255	27			age of intrusion			
2398	1	33.24	1	biotite	conventional K-Ar	64 MC 4	"4.72E-04, 0.585E-04, 1.19E-04*"	8.59	4.149	88			age of intrusion			
2398	2	36.02	1.1	hornblende	conventional K-Ar	64 MC 4	"4.72E-04, 0.585E-04, 1.19E-04*"	0.487	0.2551	47			age of intrusion			
2399	1	37.5	1.5	biotite	conventional K-Ar	LSH-3	"4.72E-04, 0.585E-04, 1.19E-04*"	8.13	4.435	90			age of intrusion			
2400	1	37.66	1.1	biotite	conventional K-Ar	LSH-4A	"4.72E-04, 0.585E-04, 1.19E-04*"	5.01	2.745	73			age of intrusion			
2401	1	35.92	1.1	biotite	conventional K-Ar	63 MC 47	"4.72E-04, 0.585E-04, 1.19E-04*"	7.81	4.079	85			age of volcanism			
2402	1	33.43	1	biotite	conventional K-Ar	62 MC 12	"4.72E-04, 0.585E-04, 1.19E-04*"	7.92	3.847	86			age of volcanism			
2403	1	34.86	1	biotite	conventional K-Ar	62MC15	"4.72E-04, 0.585E-04, 1.19E-04*"	7.48	3.791	77			age of volcanism			
2404	1	38.32	1.1	biotite	conventional K-Ar	63MC66	"4.72E-04, 0.585E-04, 1.19E-04*"	5.85	3.262	89			age of volcanism			
2405	1	36.72	0.23	biotite	conventional K-Ar	26	"4.72E-04, 0.585E-04, 1.19E-04*"	10.08	5.384	74				HYDROTHERMAL; BRONZE-COLORED	DUPLICATE ANALYSES	AGE OF MINERALIZATION
2406	1	36.6	0.3	biotite	conventional K-Ar	20B	"4.72E-04, 0.585E-04, 1.19E-04*"	8.82	4.695	73				HYDROTHERMAL; BRONZE-COLORED	DUPLICATE K2O ANALYSES	AGE OF MINERALIZATION
2407	1	169.9	8	biotite	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04*"	4.77	12.235				minimum age of volcanism	3% CLAY		
2408	1	166.16	8	biotite	conventional K-Ar	2	"4.72E-04, 0.585E-04, 1.19E-04*"	8.58	21.5				minimum age of volcanism	5% IMPURITIES		
2409	1	154.61	8	biotite	conventional K-Ar	3	"4.72E-04, 0.585E-04, 1.19E-04*"	7.96	18.5					15% CLAY		AGE TOO YOUNG
2411	1	157.82	8	biotite	conventional K-Ar	5	"4.72E-04, 0.585E-04, 1.19E-04*"	7.37	17.5					5% IMPURITIES		AGE TOO YOUNG
2412	1	142.04	7	biotite	conventional K-Ar	6	"4.72E-04, 0.585E-04, 1.19E-04*"	5.17	11					20% IMPURITIES		AGE TOO YOUNG
2440	1	2528.01	125	whole rock	conventional K-Ar	KA-147	"4.76E-04, 0.589E-04, 1.18E-04*"	2.73	217				age of metamorphic crystallization			
2441	1	2522.04	125	sericite	conventional K-Ar	KA-97	"4.76E-04, 0.589E-04, 1.18E-04*"	6.04	478				age of metamorphic crystallization	"SAMPLE SHOWS QUARTZ, SERICITE, AND CHLORITE (X-RAY)"		
2442	1	1588.1	80	sericite	conventional K-Ar	KA-18	"4.76E-04, 0.589E-04, 1.18E-04*"	9.41	345				age meaning uncertain (geologic factors)		DUPLICATE ARGON ANALYSES	THIS AGE MAY DATE LATER FAULTING AND MINERALIZATION
2443	1	2621.66	130	whole rock	conventional K-Ar	KA-200	"4.76E-04, 0.589E-04, 1.18E-04*"	2.82	240				age of metamorphic crystallization			
2444	1	2460.33	125	whole rock	conventional K-Ar	KA-228	"4.76E-04, 0.589E-04, 1.18E-04*"	0.91	68.8				age of metamorphic crystallization			
2445	1	2170.44	110	whole rock	conventional K-Ar	KA-244	"4.76E-04, 0.589E-04, 1.18E-04*"	2.28	138				age meaning uncertain (geologic factors)			
2446	1	1945.53	85	whole rock	conventional K-Ar	KA-243	"4.76E-04, 0.589E-04, 1.18E-04*"	2.58	130				age meaning uncertain (geologic factors)			
2447	1	780.05	40	whole rock	conventional K-Ar	KA-242	"4.76E-04, 0.589E-04, 1.18E-04*"	2.42	34				age meaning uncertain (geologic factors)			
2448	1	1925.22	95	whole rock	conventional K-Ar	KA-240	"4.76E-04, 0.589E-04, 1.18E-04*"	2.14	106				age meaning uncertain (geologic factors)		DUPLICATE ARGON ANALYSES	
2449	1	1179.08	60	biotite	conventional K-Ar	KA-106B	"4.76E-04, 0.589E-04, 1.18E-04*"	8.39	201				initial age disturbed by later metamorphism			
2449	2	1567.99		K feldspar	conventional K-Ar	KA-106F	"4.76E-04, 0.589E-04, 1.18E-04*"	8.98	323						NO AGE CALCULATED	
2450	1	1672.7	85	biotite	conventional K-Ar	KA-323	"4.76E-04, 0.589E-04, 1.18E-04*"	7.89	313				initial age disturbed by later metamorphism			
2451	1	2334.79	115	biotite	conventional K-Ar	KA-229	"4.76E-04, 0.589E-04, 1.18E-04*"	2.37	163				initial age disturbed by later metamorphism			
2452	1	2424.1	120	sericite	conventional K-Ar	KA-328S	"4.76E-04, 0.589E-04, 1.18E-04*"	5.3	390			Hanson and others (1971)	age of intrusion			
2453	1	2607.62	130	biotite	conventional K-Ar	KA-47	"4.76E-04, 0.589E-04, 1.18E-04*"	4.57	385				age of intrusion			
2454	1	2584.28	130	biotite	conventional K-Ar	KA-46	"4.76E-04, 0.589E-04, 1.18E-04*"	3.96	328				age of intrusion		DUPLICATE ARGON ANALYSES	
2455	1	2556.66	130	biotite	conventional K-Ar	KA-239	"4.76E-04, 0.589E-04, 1.18E-04*"	9.19	746			Peterman and others (1972)	age of intrusion			
2456	1	2480.42	125	biotite	conventional K-Ar	KA-249	"4.76E-04, 0.589E-04, 1.18E-04*"	9.33	716			Peterman and others (1972)	age of metamorphic crystallization			
2457	1	2494.01	125	biotite	conventional K-Ar	KA-250	"4.76E-04, 0.589E-04, 1.18E-04*"	8.14	631				age of metamorphic crystallization			
2458	1	2494.62	125	biotite	conventional K-Ar	KA-94	"4.76E-04, 0.589E-04, 1.18E-04*"	7.93	615				age of intrusion		REPLICATE ARGON ANALYSES	
2459	1	2384.26	120	biotite	conventional K-Ar	KA-4	"4.76E-04, 0.589E-04, 1.18E-04*"	7.73	552				age of intrusion		REPLICATE ARGON ANALYSES	
2459	2	2113.73		K feldspar		KA-4	"4.76E-04, 0.589E-04, 1.18E-04*"	12.74	737						"NO AGE CALCULATED, REPLICATE ARGON ANALYSES"	
2460	1	2487.76	125	biotite	conventional K-Ar	KA-83	"4.76E-04, 0.589E-04, 1.18E-04*"	6.48	500				age of metamorphic crystallization			
2461	1	2387.95	120	biotite	conventional K-Ar	KA-82B	"4.76E-04, 0.589E-04, 1.18E-04*"	7.89	565				minimum age of metamorphic crystallization			
2461	2	1833.19		K feldspar		KA-82	"4.76E-04, 0.589E-04, 1.18E-04*"	13.5	618						NO AGE CALCULATED	
2462	1	2379.18	120	biotite	conventional K-Ar	KA-307	"4.76E-04, 0.589E-04, 1.18E-04*"	8.8	626			Peterman and others (1972)	initial age disturbed by later metamorphism			
2463	1	2470.3	125	muscovite	conventional K-Ar	KA-17	"4.76E-04, 0.589E-04, 1.18E-04*"	10.28	783			Peterman and others (1972)	age of intrusion			
2464	1	2472.81	125	biotite	conventional K-Ar	KA-88	"4.76E-04, 0.589E-04, 1.18E-04*"	8.4	641			Peterman and others (1972)	age of intrusion			
2465	1	2495.52	125	biotite	conventional K-Ar	KA-236	"4.76E-04, 0.589E-04, 1.18E-04*"	6.43	499			Peterman and others (1972)	age of intrusion		DUPLICATE ARGON ANALYSES	
2466	1	2529.58	125	biotite	conventional K-Ar	KA-237	"4.76E-04, 0.589E-04, 1.18E-04*"	4.75	378			Peterman and others (1972)	age of metamorphic crystallization		DUPLICATE K2O ANALYSES	
2467	1	2330.89	115	biotite	conventional K-Ar	KA-48	"4.76E-04, 0.589E-04, 1.18E-04*"	3.5	240			Peterman and others (1972)			DUPLICATE ARGON ANALYSES	AGE APPEARS TOO YOUNG
2468	1	2620.35	130	biotite	conventional K-Ar	KA-105	"4.76E-04, 0.589E-04, 1.18E-04*"	5.81	494				age of intrusion		DUPLICATE ARGON ANALYSES	
2469	1	2600.82	130	biotite	conventional K-Ar	KA-317	"4.76E-04, 0.589E-04, 1.18E-04*"	8.72	731			Peterman and others (1972)	age of metamorphic crystallization			
2470	1	2541.75	130	biotite	conventional K-Ar	KA-316	"4.76E-04, 0.589E-04, 1.18E-04*"	8.17	656			Peterman and others (1972)	age of metamorphic crystallization			
2471	1	2280	115	biotite	conventional K-Ar	KA-81	"4.76E-04, 0.589E-04, 1.18E-04*"	2.76	182				age not evaluated			
2471	2	1855.17		K feldspar		KA-81	"4.76E-04, 0.589E-04, 1.18E-04*"	7.18	335						NO AGE CALCULATED	
2472	1	1144.33	55	biotite	conventional K-Ar	KA-8	"4.76E-04, 0.589E-04, 1.18E-04*"	4.26	98				initial age disturbed by later metamorphism		DUPLICATE ARGON ANALYSES	
2472	2	1463.09		K feldspar		KA-8F	"4.76E-04, 0.589E-04, 1.18E-04*"	5.02	163						NO AGE CALCULATED	
2473	1	1477.14	75	whole rock	conventional K-Ar	KA-137	"4.76E-04, 0.589E-04, 1.18E-04*"	4.1	135			Peterman (1966)	minimum age of metamorphic crystallization			
2474	1	1193.18	60	whole rock	conventional K-Ar	KA-212	"4.76E-04, 0.589E-04, 1.18E-04*"	4.07	99.1			Peterman (1966)	age not evaluated			
2475	1	1101.24	55	biotite	conventional K-Ar	KA-295	"4.76E-04, 0.589E-04, 1.18E-04*"	7.14	156				age of intrusion			
2476	1	1008.04	50	biotite	conventional K-Ar	KA-92	"4.76E-04, 0.589E-04, 1.18E-04*"	7.51	146				age of intrusion			
2477	1	1209.79	60	biotite	conventional K-Ar	KA-176	"4.76E-04, 0.589E-04, 1.18E-04*"	6.73	167				age of intrusion			
2478	1	1063.41	55	biotite	conventional K-Ar	KA-65	"4.76E-04, 0.589E-04, 1.18E-04*"	7.24	151				age of intrusion			
2480	1	1224.62	60	whole rock	conventional K-Ar	KA-232	"4.76E-04, 0.589E-04, 1.18E-04*"	4.28	108			Peterman (1966)	initial age disturbed by later metamorphism			
2481	1	1183.5	60	whole rock	conventional K-Ar	KA-233	"4.76E-04, 0.589E-04, 1.18E-04*"	4.02	96.8			Peterman (1966)	initial age disturbed by later metamorphism			
2482	1	1071.37	55	whole rock	conventional K-Ar	KA-131	"4.76E-04, 0.589E-04, 1.18E-04*"	4.89	103			Peterman (1966)	age of metamorphic crystallization			
2483	1	1043.6	50	biotite	conventional K-Ar	KA-177	"4.76E-04, 0.589E-04, 1.18E-04*"	8.7	177				age of metamorphic crystallization			
2484	1	770	45	whole rock	conventional K-Ar	KA-101	"4.76E-04, 0.589E-04, 1.18E-04*"	5.4	74.3						DUPLICATE ARGON ANALYSES	AGE SEEMS TOO YOUNG
2485	1	1030	60	whole rock	conventional K-Ar	KA-102	"4.76E-04, 0.589E-04, 1.18E-04*"	4.34	86.3				age of intrusion			
2486	1	1037.44	50	whole rock	conventional K-Ar	KA-103	"4.76E-04, 0.589E-04, 1.18E-04*"	3.21	64.8				age of intrusion			
2487	1	868.71	45	whole rock	conventional K-Ar	KA-104	"4.76E-04, 0.589E-04, 1.18E-04*"	3.05	49							AGE SEEMS TOO YOUNG
2488	1	1632.59	80	whole rock	conventional K-Ar	KA-35	"4.76E-04, 0.589E-04, 1.18E-04*"	3.61	138			Peterman (1966)	age of metamorphic crystallization	-20+40 MESH	DUPLICATE ARGON ANALYSES	
2489	1	1639.34	80	whole rock	conventional K-Ar	KA-38	"4.76E-04, 0.589E-04, 1.18E-04*"	1.24	47.7			Peterman (1966)	age of metamorphic crystallization	-20+40 MESH	DUPLICATE ARGON ANALYSES	
2490	1	1652.89	80	muscovite	conventional K-Ar	KA-39	"4.76E-04, 0.589E-04, 1.18E-04*"	5.16	201			Peterman (1966)	age of metamorphic crystallization		DUPLICATE ARGON ANALYSES	
2491	1	1612.04	80	muscovite	conventional K-Ar	KA-40	"4.76E-04, 0.589E-04, 1.18E-04*"	4.56	171			Peterman (1966)	age of metamorphic crystallization			
2492	1	1589.87	80	whole rock	conventional K-Ar	KA-96	"4.76E-04, 0.589E-04, 1.18E-04*"	2.29	84.1			Peterman (1966)	age of metamorphic crystallization			
2493	1	1677.93	85	biotite	conventional K-Ar	KA-41	"4.76E-04, 0.589E-04, 1.18E-04*"	8.63	344				age of metamorphic crystallization		DUPLICATE ARGON ANALYSES	
2494	1	1655.57	85	biotite	conventional K-Ar	KA-43	"4.76E-04, 0.589E-04, 1.18E-04*"	7.58	296				age of metamorphic crystallization		DUPLICATE ARGON ANALYSES	
2495	1	1718.61	85	biotite	conventional K-Ar	KA-164	"4.76E-04, 0.589E-04, 1.18E-04*"	8.22	340				age of metamorphic crystallization		DUPLICATE ARGON ANALYSES	
2496	1	1505.44	75	biotite	conventional K-Ar	KA-63	"4.76E-04, 0.589E-04, 1.18E-04*"	8.89	301				minimum age of metamorphic crystallization		DUPLICATE ARGON ANALYSES	
2497	1	1554.19	80	whole rock	conventional K-Ar	KA-132	"4.76E-04, 0.589E-04, 1.18E-04*"	4.93	175			Peterman (1966)	age of metamorphic crystallization		DUPLICATE ARGON ANALYSES	
2498	1	1673.82	85	whole rock	conventional K-Ar	KA-33	"4.76E-04, 0.589E-04, 1.18E-04*"	5.54	220			Peterman (1966)	age of metamorphic crystallization			
2499	1	1583.42	80	whole rock	conventional K-Ar	KA-134	"4.76E-04, 0.589E-04, 1.18E-04*"	4.63	169			Peterman (1966)	age of metamorphic crystallization			
2500	1	1674.97	85	whole rock	conventional K-Ar	KA-215	"4.76E-04, 0.589E-04, 1.18E-04*"	4.05	161			Peterman (1966)	age of metamorphic crystallization			
2501	1	1783.34	90	biotite	conventional K-Ar	KA-10	"4.76E-04, 0.589E-04, 1.18E-04*"	6.07	266				age of intrusion		REPLICATE ARGON ANALYSES	
2501	2	1307.57		K feldspar		KA-10F	"4.76E-04, 0.589E-04, 1.18E-04*"	12.77	353						NO AGE CALCULATED	
2502	1	1764.5	90	biotite	conventional K-Ar	KA-1	"4.76E-04, 0.589E-04, 1.18E-04*"	8.33	359				age of intrusion		DUPLICATE ARGON ANALYSES	
2503	1	1738.9	85	biotite	conventional K-Ar	KA-61	"4.76E-04, 0.589E-04, 1.18E-04*"	8.38	353				age of intrusion			
2503	2	1471.24		K feldspar		KA-61F	"4.76E-04, 0.589E-04, 1.18E-04*"	12.25	401						"REPLICATE ARGON ANALYSES, NO AGE CALCULATED"	
2504	1	1776.46	90	biotite	conventional K-Ar	KA-64	"4.76E-04, 0.589E-04, 1.18E-04*"	7.76	338				age of intrusion			
2505	1	1710.98	85	biotite	conventional K-Ar	KA-60	"4.76E-04, 0.589E-04, 1.18E-04*"	7.79	320				initial age disturbed by later metamorphism			
2506	1	1592.66	80	biotite	conventional K-Ar	KA-59	"4.76E-04, 0.589E-04, 1.18E-04*"	7.74	285				initial age disturbed by later metamorphism			
2507	1	1687.71	85	biotite	conventional K-Ar	KA-62	"4.76E-04, 0.589E-04, 1.18E-04*"	7.31	294				age of intrusion		DUPLICATE ARGON ANALYSES	
2508	1	1643.46	80	biotite	conventional K-Ar	KA-6	"4.76E-04, 0.589E-04, 1.18E-04*"	7.51	290				age of intrusion		REPLICATE ARGON ANALYSES	
2508	2	1155.51		K feldspar		KA-6	"4.76E-04, 0.589E-04, 1.18E-04*"	10.94	255						NO AGE CALCULATED	
2509	1	1647.33	80	biotite	conventional K-Ar	KA-58	"4.76E-04, 0.589E-04, 1.18E-04*"	6.58	255				age of intrusion			
2510	1	2530.52	125	biotite	conventional K-Ar	KA-14-1	"4.76E-04, 0.589E-04, 1.18E-04*"	8.2	653			Goldich and others (1970)	age of later metamorphism		REPLICATE ARGON ANALYSES	
2510	2	2048.44		K feldspar		KA-14-F	"4.76E-04, 0.589E-04, 1.18E-04*"	9.24	507						"DUPLICATE ARGON ANALYSES, NO AGE CALCULATED"	
2510	3	2521.91	125	biotite	conventional K-Ar	KA-14-2	"4.76E-04, 0.589E-04, 1.18E-04*"	8.29	656			Goldich and others (1970)	age of later metamorphism	UPGRADED BIOTITE FROM KA-14-1		
2511	1	2438.57	125	biotite	conventional K-Ar	KA-15-1	"4.76E-04, 0.589E-04, 1.18E-04*"	6.52	485			Goldich and others (1970)	age of later metamorphism			
2511	2	2148.2		K feldspar		KA-15-F	"4.76E-04, 0.589E-04, 1.18E-04*"	7.87	468						"DUPLICATE ARGON ANALYSES, NO AGE CALCULATED"	
2511	3	2541.81	130	biotite	conventional K-Ar	KA-15-2	"4.76E-04, 0.589E-04, 1.18E-04*"	7.41	595			Goldich and others (1970)	age of later metamorphism	UPGRADED BIOTITE FROM KA-15-1		
2512	1	2561.73	130	biotite	conventional K-Ar	KA-107	"4.76E-04, 0.589E-04, 1.18E-04*"	7.99	651			Goldich and others (1970)	age of later metamorphism			
2513	1	2500.13	125	biotite	conventional K-Ar	KA-186	"4.76E-04, 0.589E-04, 1.18E-04*"	8.45	658			Goldich and others (1970)	age of later metamorphism			
2514	1	2458.21	125	biotite	conventional K-Ar	KA-171	"4.76E-04, 0.589E-04, 1.18E-04*"	7.22	545			Goldich and others (1970)	age of later metamorphism			
2515	1	2467.83	125	biotite	conventional K-Ar	KA-208	"4.76E-04, 0.589E-04, 1.18E-04*"	5.84	444			Goldich and others (1970)	age of later metamorphism		DUPLICATE ARGON ANALYSES	
2516	1	1752.54	90	biotite	conventional K-Ar	KA-195	"4.76E-04, 0.589E-04, 1.18E-04*"	4.62	197				age of intrusion			
2517	1	2397.11	120	biotite	conventional K-Ar	KA-210	"4.76E-04, 0.589E-04, 1.18E-04*"	8.64	623				age of later metamorphism		DUPLICATE ARGON ANALYSES	
2518	1	2290.82	115	biotite	conventional K-Ar	KA-52	"4.76E-04, 0.589E-04, 1.18E-04*"	3.88	258				age of intrusion			
2519	1	2482.53	125	biotite	conventional K-Ar	KA-51	"4.76E-04, 0.589E-04, 1.18E-04*"	7.52	578			Goldich and others (1970)	age of later metamorphism			
2519	2	1999.56		K feldspar		KA-51	"4.76E-04, 0.589E-04, 1.18E-04*"	12.92	681						NO AGE CALCULATED	
2520	1	2408.75	120	biotite	conventional K-Ar	KA-9	"4.76E-04, 0.589E-04, 1.18E-04*"	6.53	475			Goldich and others (1970)	minimum age of intrusion			
2520	2	1649.43		K feldspar		KA-9F	"4.76E-04, 0.589E-04, 1.18E-04*"	8.37	325						NO AGE CALCULATED	
2521	1	2428.42	120	biotite	conventional K-Ar	KA-13	"4.76E-04, 0.589E-04, 1.18E-04*"	6.8	502			Goldich and others (1970)	minimum age of intrusion		DUPLICATE ARGON ANALYSES	
2522	1	2455.12	125	biotite	conventional K-Ar	KA-23	"4.76E-04, 0.589E-04, 1.18E-04*"	4.82	363			Goldich and others (1970)	minimum age of intrusion			
2523	1	2301.06	115	biotite	conventional K-Ar	KA-24	"4.76E-04, 0.589E-04, 1.18E-04*"	7.52	504			Goldich and others (1970)	initial age disturbed by later metamorphism		REPLICATE ARGON ANALYSES	
2523	2	1731.72		K feldspar		KA-24F	"4.76E-04, 0.589E-04, 1.18E-04*"	13.38	560						NO AGE CALCULATED	
2524	1	1842.3	90	biotite	conventional K-Ar	KA-27-1	"4.76E-04, 0.589E-04, 1.18E-04*"	5.96	275			Goldich and others (1970)	age of later metamorphism		DUPLICATE ARGON ANALYSES	
2524	2	1367.22		K feldspar		KA-27F	"4.76E-04, 0.589E-04, 1.18E-04*"	10.46	308						DUPLICATE ARGON ANALYSES; NO AGE CALCULATED	
2524	3	1853.05	95	biotite	conventional K-Ar	KA-27-2	"4.76E-04, 0.589E-04, 1.18E-04*"	7.73	360			Goldich and others (1970)	age of later metamorphism	UPGRADED BIOTITE OF KA-27-1		
2525	1	1750.91	90	biotite	conventional K-Ar	KA-54-1	"4.76E-04, 0.589E-04, 1.18E-04*"	6.67	284			Goldich and others (1970)	age of later metamorphism		DUPLICATE ARGON ANALYSES	
2525	2	1635.32		K feldspar		KA-54F	"4.76E-04, 0.589E-04, 1.18E-04*"	12.89	494						REPLICATE ARGON ANALYSES; NO AGE CALCULATED	
2525	3	1756.44	90	biotite	conventional K-Ar	KA-54-2	"4.76E-04, 0.589E-04, 1.18E-04*"	6.31	270			Goldich and others (1970)	age of later metamorphism	UPGRADED BIOTITE OF KA-54-1		
2526	1	1840.37	90	biotite	conventional K-Ar	KA-25	"4.76E-04, 0.589E-04, 1.18E-04*"	5.97	275			Goldich and others (1970)	age of later metamorphism		DUPLICATE ARGON ANALYSES	
2527	1	1719.3	85	biotite	conventional K-Ar	KA-209	"4.76E-04, 0.589E-04, 1.18E-04*"	7.78	322			Goldich and others (1970)	initial age disturbed by later metamorphism		DUPLICATE ARGON ANALYSES	
2528	1	1790.53	90	biotite	conventional K-Ar	KA-22	"4.76E-04, 0.589E-04, 1.18E-04*"	7.12	314			Goldich and others (1970)	age of later metamorphism		DUPLICATE ARGON ANALYSES	
2529	1	1693.65	85	biotite	conventional K-Ar	KA-28	"4.76E-04, 0.589E-04, 1.18E-04*"	7.32	296			Goldich and others (1970)	minimum age of intrusion		DUPLICATE ARGON ANALYSES	
2530	1	1701.36	85	biotite	conventional K-Ar	KA-29	"4.76E-04, 0.589E-04, 1.18E-04*"	7.76	316			Goldich and others (1970)	age of intrusion		DUPLICATE ARGON ANALYSES	
2531	1	1674.63	85	biotite	conventional K-Ar	KA-55	"4.76E-04, 0.589E-04, 1.18E-04*"	8.48	337			Goldich and others (1970)	initial age disturbed by later metamorphism		DUPLICATE ARGON ANALYSES	
2531	2	1450.79		K feldspar		KA-55	"4.76E-04, 0.589E-04, 1.18E-04*"	14.28	458						NO AGE CALCULATED	
2532	1	1678.74	85	biotite	conventional K-Ar	KA-56	"4.76E-04, 0.589E-04, 1.18E-04*"	9.15	365			Goldich and others (1970)	initial age disturbed by later metamorphism			
2533	1	1679.79	85	biotite	conventional K-Ar	KA-108	"4.76E-04, 0.589E-04, 1.18E-04*"	8.44	337			Goldich and others (1970)	initial age disturbed by later metamorphism		DUPLICATE ARGON ANALYSES	
2534	1	1803.23	90	biotite	conventional K-Ar	KA-109	"4.76E-04, 0.589E-04, 1.18E-04*"	8.79	392			Goldich and others (1970)	initial age disturbed by later metamorphism		DUPLICATE ARGON ANALYSES	
2535	1	2179.79	110	biotite	conventional K-Ar	KA-44	"4.76E-04, 0.589E-04, 1.18E-04*"	5.33	325			Goldich and others (1970)	initial age disturbed by later metamorphism			
2536	1	1207.79	60	whole rock	conventional K-Ar	KA-50	"4.76E-04, 0.589E-04, 1.18E-04*"	5.17	128				minimum age of volcanism		DUPLICATE ARGON ANALYSES	
2547	1	1551.29	80	whole rock	conventional K-Ar	408 (90-100)	"4.72E-04, 0.585E-04, 1.19E-04*"	5.65	200				minimum age of metamorphic crystallization		K DETERMINED BY XRF	
2551	1	1584.35	80	whole rock	conventional K-Ar	410 (100-110)	"4.72E-04, 0.585E-04, 1.19E-04*"	3.75	137				minimum age of metamorphic crystallization		K DETERMINED BY XRF	
2553	1	1479.67	75	whole rock	conventional K-Ar	411 (80-100)	"4.72E-04, 0.585E-04, 1.19E-04*"	5.15	170				age not evaluated		K DETERMINED BY XRF	
2567	1	1200		biotite	conventional K-Ar	KA-8	"4.72E-04, 0.577E-04"	4.22				Goldich and others (1961)	initial age disturbed by later metamorphism	WITH CONSIDERABLE CHLORITE		
2567	2	1540		K feldspar	conventional K-Ar	KA-8	"4.72E-04, 0.577E-04"	4.98				Goldich and others (1961)	initial age disturbed by later metamorphism			
2568	1	4.97	0.15	whole rock	conventional K-Ar	A8	"4.72E-04, 0.585E-04, 1.19E-04*"	0.996	0.0713	47			age of volcanism		"0.996%, 0.996% K2O"	
2569	1	5.01	0.15	whole rock	conventional K-Ar	A11	"4.72E-04, 0.585E-04, 1.19E-04*"	1.035	0.0748	52			age of volcanism		"1.03%, 1.04% K2O"	
2570	1	19.97		muscovite	conventional K-Ar	YAG 96	"4.72E-04, 0.585E-04, 1.19E-04*"	9.72	2.81	72		Michard-Vitrac and others (1977)			DUPLICATE K ANALYSES; AR DETERMINED BY NAA	AGE REDETERMINED; SEE REFERENCE
2570	2	21.88		muscovite	conventional K-Ar	YAG 96	"4.72E-04, 0.585E-04, 1.19E-04*"	9.72	3.08	61		Michard-Vitrac and others (1977)			AR DETERMINED BY NAA; DUPLICATE K ANALYSES	AGE REDETERMINED; SEE REFERENCE
2571	1	21.36		muscovite	conventional K-Ar	YAG 97	"4.72E-04, 0.585E-04, 1.19E-04*"	4.17	1.29	25		Michard-Vitrac and others (1977)		MUSCOVITE-CHLORITE MIXTURE	DUPLICATE K ANAYLSES; AR DETERMINED BY NAA	"AGE REDETERMINED, SEE REFERENCE"
2572	1	4.96	0.14	whole rock	conventional K-Ar	A12	"4.72E-04, 0.585E-04, 1.19E-04*"	1.04	0.0743	50			age of volcanism		"1.04%, 1.04% K2O"	
2573	1	5.2	0.15	whole rock	conventional K-Ar	A15	"4.72E-04, 0.585E-04, 1.19E-04*"	1.705	0.1278	61			age of volcanism		"1.70%, 1.71% K2O"	
2574	1	41.51		biotite	conventional K-Ar	YAG-142B	"4.72E-04, 0.585E-04, 1.19E-04*"	9.38	5.67	78		Michard-Vitrac and others (1977)			DUPLICATE K ANALYSES; AR DETERMINED BY NAA	AGE REDETERMINED; SEE REFERENCE
2574	2	38.25		biotite	conventional K-Ar	YAG-142B	"4.72E-04, 0.585E-04, 1.19E-04*"	9.38	5.22	78		Marvin and others (1977)			AR DETERMINED BY NAA; DUPLICATE K ANALYSES	AGE REDETERMINED; SEE REFERENCE
2575	1	58.17		biotite	conventional K-Ar	YAG-143	"4.72E-04, 0.585E-04, 1.19E-04*"	5.17	4.4	66		Michard-Vitrac and others (1977)		22% CHLORITE	DUPLICATE K ANALYSES; AR DETERMINED BY NAA	AGE REDETERMINED; SEE REFERENCE
2576	1	5	0.15	whole rock	conventional K-Ar	A17	"4.72E-04, 0.585E-04, 1.19E-04*"	1.375	0.0992	53			age of volcanism		"1.37%, 1.38% K2O"	
2577	1	431.29		whole rock	conventional K-Ar	-219	"4.72E-04, 0.585E-04, 1.19E-04*"	2.78	19.5			Armstrong (1970)			DUPLICATE K ANALYSES; AR DETERMINED BY NEUTRON ACTIVATION	"AGE REDETERMINED, SEE REFERENCE, SAMPLE 219"
2578	1	360.1		whole rock	conventional K-Ar	-220	"4.72E-04, 0.585E-04, 1.19E-04*"	2.48	14.23			Armstrong (1970)			DUPLICATE K ANALYSES; AR DETERMINED BY NEUTRON ACTIVATION	"AGE REDETERMINED, SEE REFERENCE, SAMPLE 220"
2578	2	323.01		whole rock	conventional K-Ar	-220	"4.72E-04, 0.585E-04, 1.19E-04*"	2.48	12.63			Michard-Vitrac and others (1977)			DUPLICATE K ANALYSES; AR DETERMINED BY NEUTRON ACTIVATION	"AGE REDETERMINED, SEE REFERENCE, SAMPLE 220"
2579	1	92.65	5	biotite	conventional K-Ar	57NC89	"4.72E-04, 0.585E-04, 1.19E-04*"	9.03	12.36	95			age of intrusion			
2580	1	155.99	8	biotite	conventional K-Ar	59NC57	"4.72E-04, 0.585E-04, 1.19E-04*"	7.84	18.39	96			age of intrusion			
2581	1	152.06	8	biotite	conventional K-Ar	59NC59	"4.72E-04, 0.585E-04, 1.19E-04*"	9.29	21.22	95			age of intrusion			
2582	1	83.1	4	biotite	conventional K-Ar	60NC175	"4.72E-04, 0.585E-04, 1.19E-04*"	8.56	10.48	71			age of intrusion			
2583	1	35.07	2	biotite	conventional K-Ar	62NC142	"4.72E-04, 0.585E-04, 1.19E-04*"	8.44	4.303	80			age of intrusion			
2584	1	75.32	2	biotite	conventional K-Ar	63NC20	"4.72E-04, 0.585E-04, 1.19E-04*"	9.04	10.01	73			age of intrusion			
2585	1	90.87	4	biotite	conventional K-Ar	63NC40	"4.72E-04, 0.585E-04, 1.19E-04*"	8.28	11.11	92			age of intrusion			
2586	1	39.19	2	biotite	conventional K-Ar	63NC86	"4.72E-04, 0.585E-04, 1.19E-04*"	8.29	4.729	84			age of intrusion			
2587	1	31.93	2	biotite	conventional K-Ar	63NC106	"4.72E-04, 0.585E-04, 1.19E-04*"	8.2	3.803	82			age of intrusion			
2588	1	1780.06	55	pyroxenes	conventional K-Ar	88	"4.72E-04, 0.584E-04, 1.19E-04*"	0.138	6.03	90			"sample contains excess radiogenic argon, age is too old"			
2589	1	352.87	10	hornblende	conventional K-Ar	154	"4.72E-04, 0.584E-04, 1.19E-04*"	1.44	8.08	98			age of intrusion			
2590	1	547.79	16	hornblende	conventional K-Ar	140	"4.72E-04, 0.584E-04, 1.19E-04*"	0.675	6.22	93			age not evaluated			
2591	1	424.1	13	hornblende	conventional K-Ar	141	"4.72E-04, 0.584E-04, 1.19E-04*"	0.77	5.3	86			age not evaluated			
2592	1	578.23	17	hornblende	conventional K-Ar	145	"4.72E-04, 0.584E-04, 1.19E-04*"	1.18	11.58	96			age not evaluated			
2599	1	272.52	8	biotite	conventional K-Ar	M-1	"4.72E-04, 0.584E-04, 1.19E-04*"	4.59	19.44	94			age of intrusion	SOMEWHAT IMPURE	K20 DETERMINED BY ISOTOPE DILUTION	
2600	1	98.66	2	phlogopite	conventional K-Ar	AK-1	"4.72E-04, 0.584E-04, 1.19E-04*"	5.74	8.38	89			age of intrusion	SOME IMPURITIES		
2601	1	108.3	3	phlogopite	conventional K-Ar	AK-8	"4.72E-04, 0.584E-04, 1.19E-04*"	9.82	15.78	95			age of volcanism			
2602	1	12.82	0.3	sanidine	conventional K-Ar	203F	"4.72E-04, 0.584E-04, 1.19E-04*"	7.29	1.35	70			age of volcanism		REPLICATE ANALYSES	
2603	1	13.25	0.6	sanidine	conventional K-Ar	765	"4.72E-04, 0.584E-04, 1.19E-04*"	6.79	1.3	55			age of volcanism		REPLICATE ANALYSES	
2604	1	13.64	0.5	sanidine	conventional K-Ar	45	"4.72E-04, 0.584E-04, 1.19E-04*"	7.51	1.48	38			age of volcanism		DUPLICATE ANALYSES	
2605	1	18	0.6	biotite	conventional K-Ar	44B	"4.72E-04, 0.584E-04, 1.19E-04*"	4.76	1.24	41			age of volcanism	BIOTITE-HORNBLENDE MIXTURE WITH 4% WHOLE-ROCK	REPLICATE ANALYSES	
2605	2	18.01	1	plagioclase	conventional K-Ar	44F	"4.72E-04, 0.584E-04, 1.19E-04*"	1.42	0.37	14			age of volcanism		REPLICATE K ANALYSES	
2606	1	18.45	0.4	biotite	conventional K-Ar	36B	"4.72E-04, 0.584E-04, 1.19E-04*"	5.88	1.57	56			age of volcanism	PLUS 35% HORNBLENDE AND WHOLE-ROCK	REPLICATE K ANALYSES	
2607	1	20.27	0.4	biotite	conventional K-Ar	41	"4.72E-04, 0.584E-04, 1.19E-04*"	6.78	1.99	53			age of volcanism	"8% HORNBLENDE, 3% PYROXENE"	REPLICATE ANALYSES	
2608	1	22.11	0.4	biotite	conventional K-Ar	46	"4.72E-04, 0.584E-04, 1.19E-04*"	7.68	2.46	66			age of volcanism	5% HORNBLENDE	DUPLICATE ANALYSES	
2609	1	21.02	0.4	biotite	conventional K-Ar	35B	"4.72E-04, 0.584E-04, 1.19E-04*"	5.75	1.75	57			age of volcanism	25% HORNBLENDE AND WHOLE-ROCK	REPLICATE ANALYSES	
2609	2	21.58	1	plagioclase	conventional K-Ar	35F	"4.72E-04, 0.584E-04, 1.19E-04*"	0.8	0.25	24			age of volcanism		REPLICATE ANALYSES	
2610	1	21.91	0.4	biotite	conventional K-Ar	32	"4.72E-04, 0.584E-04, 1.19E-04*"	3.75	1.19	50			age of volcanism	"30% HORNBLENDE, 6% PYROXENE"	REPLICATE ANALYSES	
2611	1	24.67	0.5	biotite	conventional K-Ar	70	"4.72E-04, 0.584E-04, 1.19E-04*"	4.81	1.72	51			age of volcanism	"35% HORNBLENDE, 2% GLASS"	REPLICATE ANALYSES	
2612	1	21.85	0.5	biotite	conventional K-Ar	73	"4.72E-04, 0.584E-04, 1.19E-04*"	8.28	2.62	43			age of volcanism		DUPLICATE K ANALYSES	
2613	1	22.27	0.4	sanidine	conventional K-Ar	828	"4.72E-04, 0.584E-04, 1.19E-04*"	9.64	3.11	84			age of volcanism		REPLICATE ANALYSES	
2614	1	24.01	0.5	biotite	conventional K-Ar	764B	"4.72E-04, 0.584E-04, 1.19E-04*"	8.22	2.86	50			age of volcanism		DUPLICATE K ANALYSES	
2614	2	23.27	1.7	plagioclase	conventional K-Ar	764F	"4.72E-04, 0.584E-04, 1.19E-04*"	0.86	0.29	23			age of volcanism		REPLICATE K ANALYSES	
2615	1	23.92	0.5	biotite	conventional K-Ar	47B	"4.72E-04, 0.584E-04, 1.19E-04*"	7.76	2.69	69			age of volcanism	4% HORNBLENDE AND WHOLE-ROCK	DUPLICATE K ANALYSES	
2615	2	25.25	0.7	plagioclase	conventional K-Ar	47F	"4.72E-04, 0.584E-04, 1.19E-04*"	1.12	0.41	41			age of volcanism		REPLICATE ANALYSES	
2615	3	21.9	0.4	glass	conventional K-Ar	47G	"4.72E-04, 0.584E-04, 1.19E-04*"	4.35	1.38	57			minimum age of volcanism		REPLICATE ANALYSES	
2616	1	24.05	0.5	biotite	conventional K-Ar	42	"4.72E-04, 0.584E-04, 1.19E-04*"	7.46	2.6	67			age of volcanism	"2% CHLORITE, 2% HORNBLENDE"	DUPLICATE K ANALYSES	
2617	1	24.66	0.5	biotite	conventional K-Ar	48B	"4.72E-04, 0.584E-04, 1.19E-04*"	6.91	2.47	50			age of volcanism		DUPLICATE ANALYSES	
2617	2	22.88	0.5	sanidine	conventional K-Ar	48F	"4.72E-04, 0.584E-04, 1.19E-04*"	9.32	3.09	80			age of volcanism		REPLICATE ANALYSES	
2618	1	26.85	1	plagioclase	conventional K-Ar	827	"4.72E-04, 0.584E-04, 1.19E-04*"	0.95	0.37	31			age of volcanism		DUPLICATE ANALYSES	
2619	1	24.7	0.8	biotite	conventional K-Ar	43	"4.72E-04, 0.584E-04, 1.19E-04*"	7.01	2.51	34			age of volcanism		REPLICATE ANALYSES	
2620	1	26.65	0.5	biotite	conventional K-Ar	167	"4.72E-04, 0.584E-04, 1.19E-04*"	5.77	2.23	54			age of volcanism	20% HORNBLENDE	DUPLICATE K ANALYSES	
2621	1	27.93	0.6	biotite	conventional K-Ar	165	"4.72E-04, 0.584E-04, 1.19E-04*"	6.54	2.65	60			age of volcanism	15% HORNBLENDE	REPLICATE K ANALYSES	
2622	1	25.71	0.5	whole rock	conventional K-Ar	160	"4.72E-04, 0.584E-04, 1.19E-04*"	5.74	2.14	86			minimum age of volcanism		DUPLICATE K ANALYSES	
2623	1	25.08	0.5	whole rock	conventional K-Ar	170	"4.72E-04, 0.584E-04, 1.19E-04*"	3.3	1.2	47			minimum age of volcanism		DUPLICATE K ANALYSES	
2624	1	30.31	0.6	biotite	conventional K-Ar	158	"4.72E-04, 0.584E-04, 1.19E-04*"	6.59	2.9	67			age of volcanism	22% HORNBLENDE	REPLICATE ANALYSES	
2625	1	31.63	0.6	biotite	conventional K-Ar	101E	"4.72E-04, 0.584E-04, 1.19E-04*"	7.77	3.57	73			age of volcanism		REPLICATE ANALYSES	
2626	1	29.83	0.6	biotite	conventional K-Ar	63	"4.72E-04, 0.584E-04, 1.19E-04*"	7.39	3.2	75			age of volcanism		DUPLICATE ANALYSES	
2627	1	29.67	0.6	biotite	conventional K-Ar	103C	"4.72E-04, 0.584E-04, 1.19E-04*"	8.01	3.45	61			age of volcanism		DUPLICATE ANALYSES	
2628	1	29.93	0.6	biotite	conventional K-Ar	159B	"4.72E-04, 0.584E-04, 1.19E-04*"	8.77	3.81	69			age of volcanism		REPLICATE ANALYSES	
2628	2	28.35	0.6	glass	conventional K-Ar	159-G	"4.72E-04, 0.584E-04, 1.19E-04*"	3.89	1.6	53			minimum age of volcanism		REPLICATE ANALYSES	
2629	1	31.53	0.6	biotite	conventional K-Ar	102C	"4.72E-04, 0.584E-04, 1.19E-04*"	3.45	1.58	54			age of volcanism	45% HORNBLENDE	REPLICATE ANALYSES	
2630	1	30.41	0.6	biotite	conventional K-Ar	170B	"4.72E-04, 0.584E-04, 1.19E-04*"	8.72	3.85	77			age of volcanism		DUPLICATE ANALYSES	
2631	1	27.34	0.8	plagioclase	conventional K-Ar	831	"4.72E-04, 0.584E-04, 1.19E-04*"	0.58	0.23	29			minimum age of volcanism		REPLICATE ANALYSES	
2632	1	29.28	0.6	biotite	conventional K-Ar	834AB	"4.72E-04, 0.584E-04, 1.19E-04*"	7.53	3.2	55			age of volcanism		DUPLICATE K ANALYSES	
2632	2	31.56	0.9	hornblende	conventional K-Ar	834AH	"4.72E-04, 0.584E-04, 1.19E-04*"	0.96	0.44	40			age of volcanism	8% BIOTITE	REPLICATE ANALYSES	
2633	1	27.99	0.6	biotite	conventional K-Ar	834B	"4.72E-04, 0.584E-04, 1.19E-04*"	7.88	3.2	55			age of volcanism		DUPLICATE ANALYSES	
2634	1	26.85	0.5	biotite	conventional K-Ar	81	"4.72E-04, 0.584E-04, 1.19E-04*"	8.96	3.49	73					REPLICATE ANALYSES	AGE LOWERED
2635	1	29.27	0.8	hornblende - biotite	conventional K-Ar	183B	"4.72E-04, 0.584E-04, 1.19E-04*"	2.66	1.13	35			age of volcanism	HORNBLENDE-BIOTITE MIXTURE WITH 40% WHOLE-ROCK	REPLICATE K ANALYSES	
2636	1	31.3	0.6	sanidine	conventional K-Ar	826	"4.72E-04, 0.584E-04, 1.19E-04*"	11.22	5.1	82			age of volcanism		REPLICATE ANALYSES	
2637	1	31.11	0.6	biotite	conventional K-Ar	77	"4.72E-04, 0.584E-04, 1.19E-04*"	8.41	3.8	47			age of volcanism	5% GLASS	DUPLICATE ANALYSES	
2638	1	33.32	0.7	sanidine	conventional K-Ar	829	"4.72E-04, 0.584E-04, 1.19E-04*"	12.35	5.98	85			age of volcanism		REPLICATE ANALYSES	
2639	1	33.05	0.7	biotite	conventional K-Ar	76	"4.72E-04, 0.584E-04, 1.19E-04*"	7.56	3.63	59			age of volcanism	3% CHLORITE	REPLICATE ANALYSES	
2640	1	35.02	0.7	biotite	conventional K-Ar	79	"4.72E-04, 0.584E-04, 1.19E-04*"	8.72	4.44	59			age of volcanism		REPLICATE K ANALYSES	
2641	1	34.36	0.7	biotite	conventional K-Ar	150	"4.72E-04, 0.584E-04, 1.19E-04*"	7.87	3.93	72			age of volcanism	5% WHOLE-ROCK	DUPLICATE ANALYSES	
2642	1	8.81	0.2	sanidine	conventional K-Ar	139	"4.72E-04, 0.584E-04, 1.19E-04*"	8.34	1.06	44			age of volcanism		REPLICATE ANALYSES	
2643	1	11.9	0.4	sanidine	conventional K-Ar	90	"4.72E-04, 0.584E-04, 1.19E-04*"	8.03	1.38	54			age of volcanism		DUPLICATE ANALYSES	
2644	1	39.82	0.9	biotite	conventional K-Ar	207	"4.72E-04, 0.584E-04, 1.19E-04*"	5.21	3.02	44			age of volcanism	"2% CHLORITE, 20% WHOLE-ROCK"	REPLICATE K ANALYSES	
2645	1	6.24	0.2	sanidine	conventional K-Ar	177	"4.72E-04, 0.584E-04, 1.19E-04*"	7.45	0.67	47			age of volcanism	30% WHOLE-ROCK	REPLICATE ANALYSES	
2646	1	3.49	0.2	sanidine	conventional K-Ar	173	"4.72E-04, 0.584E-04, 1.19E-04*"	9.34	0.47	34			age of volcanism		DUPLICATE ANALYSES	
2647	1	34.56	0.7	biotite	conventional K-Ar	172B	"4.72E-04, 0.584E-04, 1.19E-04*"	8.4	4.22	47			age of volcanism		REPLICATE K ANALYSES	
2648	1	37.03	0.7	biotite	conventional K-Ar	171	"4.72E-04, 0.584E-04, 1.19E-04*"	7.76	4.18	53			age of volcanism		DUPLICATE ANALYSES	
2649	1	15.31	1	whole rock	conventional K-Ar	112	"4.72E-04, 0.584E-04, 1.19E-04*"	4.79	1.06	12			age of volcanism		DUPLICATE ANALYSES	
2650	1	37.01	0.7	biotite	conventional K-Ar	111	"4.72E-04, 0.584E-04, 1.19E-04*"	8.47	4.56	50			age of volcanism		DUPLICATE K ANALYSES	
2651	1	31.34	0.6	biotite	conventional K-Ar	117	"4.72E-04, 0.584E-04, 1.19E-04*"	8.35	3.8	51			age of volcanism	7% CHLORITE	DUPLICATE K ANALYSES	
2652	1	14.89	0.5	whole rock	conventional K-Ar	120	"4.72E-04, 0.584E-04, 1.19E-04*"	3.14	0.676	30			age of volcanism		DUPLICATE ANALYSES	
2653	1	31.71	0.6	whole rock	conventional K-Ar	121	"4.72E-04, 0.584E-04, 1.19E-04*"	4.19	1.93	61			age of intrusion		REPLICATE ANALYSES	
2654	1	31.69	0.7	whole rock	conventional K-Ar	122	"4.72E-04, 0.584E-04, 1.19E-04*"	4.28	1.97	39			age of volcanism		DUPLICATE K ANALYSES	
2655	1	32.87	1	whole rock	conventional K-Ar	128	"4.72E-04, 0.584E-04, 1.19E-04*"	11.16	5.33	59			age of volcanism		REPLICATE ANALYSES	
2656	1	9.52	0.4	glass	conventional K-Ar	129	"4.72E-04, 0.584E-04, 1.19E-04*"	5.78	0.794	28			minimum age of volcanism		REPLICATE ANALYSES	
2657	1	37.33	0.7	biotite	conventional K-Ar	208	"4.72E-04, 0.584E-04, 1.19E-04*"	7.44	4.04	55			age of volcanism	"8% HORNBLENDE, 7% CHLORITE"	DUPLICATE K ANALYSES	
2658	1	36.01	0.7	biotite	conventional K-Ar	191F	"4.72E-04, 0.584E-04, 1.19E-04*"	6.76	3.54	44			age of volcanism	"20% HORNBLENDE, 3% CHLORITE"	DUPLICATE K ANALYSES	
2659	1	32.67	0.7	biotite	conventional K-Ar	194	"4.72E-04, 0.584E-04, 1.19E-04*"	6.91	3.28	43			age of volcanism	15% HORNBLENDE	REPLICATE K ANALYSES	
2660	1	33.86	0.7	whole rock	conventional K-Ar	201	"4.72E-04, 0.584E-04, 1.19E-04*"	5.73	2.82	67			age of volcanism		REPLICATE K ANALYSES	
2661	1	35.68	0.7	biotite	conventional K-Ar	149	"4.72E-04, 0.584E-04, 1.19E-04*"	8.5	4.41	61			age of volcanism		DUPLICATE K ANALYSES	
2662	1	36.54	0.7	biotite	conventional K-Ar	105	"4.72E-04, 0.584E-04, 1.19E-04*"	7.79	4.14	60			age of intrusion		DUPLICATE K ANALYSES	
2663	1	36.69	0.7	biotite	conventional K-Ar	104	"4.72E-04, 0.584E-04, 1.19E-04*"	7.57	4.04	53			age of volcanism	3% CLAY	REPLICATE K ANALYSES	
2664	1	23.5	1	biotite	conventional K-Ar	56	"4.72E-04, 0.584E-04, 1.19E-04*"	7.34	2.5	33			age of volcanism	2% CHLORITE	REPLICATE K ANALYSES	
2665	1	34.87	0.9	biotite	conventional K-Ar	55	"4.72E-04, 0.584E-04, 1.19E-04*"	8.64	4.38	75			age of volcanism		REPLICATE ANALYSES	
2666	1	24.37	0.5	biotite	conventional K-Ar	766	"4.72E-04, 0.584E-04, 1.19E-04*"	7.7	2.72	60			age of volcanism	4% HORNBLENDE		
2667	1	34.09	0.8	biotite	conventional K-Ar	60	"4.72E-04, 0.584E-04, 1.19E-04*"	7.73	3.83	43			age of volcanism		DUPLICATE K ANALYSES	
2668	1	27.09	0.5	biotite	conventional K-Ar	72	"4.72E-04, 0.584E-04, 1.19E-04*"	8.22	3.23	58			age of volcanism		DUPLICATE K ANALYSES	
2669	1	19.04	0.5	biotite	conventional K-Ar	50B	"4.72E-04, 0.584E-04, 1.19E-04*"	7.51	2.07	46			age of volcanism		DUPLICATE K ANALYSES	
2669	2	18.48	1	plagioclase	conventional K-Ar	50F	"4.72E-04, 0.584E-04, 1.19E-04*"	0.972	0.26	19			age of volcanism		DUPLICATE K ANALYSES	
2669	3	16.97	2	pyroxenes	conventional K-Ar	50PX	"4.72E-04, 0.584E-04, 1.19E-04*"	0.33	0.081	8			minimum age of volcanism	20% WHOLE-ROCK	DUPLICATE K ANALYSES	
2670	1	14.87	0.3	biotite	conventional K-Ar	26	"4.72E-04, 0.584E-04, 1.19E-04*"	6	1.29	46			age of volcanism		REPLICATE K ANALYSES	
2671	1	34.82	0.7	whole rock	conventional K-Ar	54	"4.72E-04, 0.584E-04, 1.19E-04*"	3.26	1.65	80			age of volcanism		DUPLICATE K ANALYSES	
2672	1	8.81	0.3	whole rock	conventional K-Ar	203I	"4.72E-04, 0.584E-04, 1.19E-04*"	1.73	0.22	30			age of volcanism		REPLICATE K ANALYSES	
2673	1	20.68	0.5	whole rock	conventional K-Ar	71Z	"4.72E-04, 0.584E-04, 1.19E-04*"	3.22	0.964	41			age of volcanism		DUPLICATE K ANALYSES	
2674	1	35.89	0.7	whole rock	conventional K-Ar	106	"4.72E-04, 0.584E-04, 1.19E-04*"	2.05	1.07	65			age of volcanism		DUPLICATE K ANALYSES	
2675	1	15.03	1	whole rock	conventional K-Ar	123	"4.72E-04, 0.584E-04, 1.19E-04*"	1.45	0.315	16			age of volcanism		DUPLICATE K ANALYSES	
2676	1	14.85	1.5	whole rock	conventional K-Ar	125	"4.72E-04, 0.584E-04, 1.19E-04*"	1.56	0.335	99			age of volcanism		DUPLICATE K ANALYSES; *AR VALUE IS QUESTIONABLE--COMPILER)	
2677	1	6.04	1	whole rock	conventional K-Ar	27	"4.72E-04, 0.584E-04, 1.19E-04*"	0.85	0.074	5			age of volcanism		REPLICATE ANALYSES	
2678	1	4.5	0.3	amphiboles - hornblende	conventional K-Ar	28	"4.72E-04, 0.584E-04, 1.19E-04*"	1.85	0.12	28			age of intrusion		DUPLICATE ANALYSES	
2679	1	12.09	1	whole rock	conventional K-Ar	33	"4.72E-04, 0.584E-04, 1.19E-04*"	6.3	1.1	12			age of intrusion		REPLICATE K ANALYSES	
2680	1	11.4	0.3	whole rock	conventional K-Ar	977	"4.72E-04, 0.584E-04, 1.19E-04*"	2.55	0.42	47			age of volcanism		DUPLICATE K ANALYSES	
2681	1	36.98	1.4	whole rock	conventional K-Ar	110	"4.72E-04, 0.584E-04, 1.19E-04*"	3.96	2.13	25			age of intrusion		REPLICATE K ANALYSES	
2682	1	33.18	0.6	biotite	conventional K-Ar	137	"4.72E-04, 0.584E-04, 1.19E-04*"	8.67	4.18	64			age of intrusion		DUPLICATE K ANALYSES	
2683	1	32.97	0.6	whole rock	conventional K-Ar	118	"4.72E-04, 0.584E-04, 1.19E-04*"	4.28	2.05	48			age of intrusion		REPLICATE K ANALYSES	
2684	1	23.97	0.6	biotite	conventional K-Ar	98B	"4.72E-04, 0.584E-04, 1.19E-04*"	8.32	2.89	29			age not evaluated		DUPLICATE ANALYSES	
2684	2	49.42	1	muscovite	conventional K-Ar	98M	"4.72E-04, 0.584E-04, 1.19E-04*"	8.79	6.34	35			age not evaluated	"10% BIOTITE, 10% QUARTZ+FELDSPAR"	DUPLICATE K ANALYSES	
2685	1	46.55	4	pyroxenes	conventional K-Ar	154A	"4.72E-04, 0.584E-04, 1.19E-04*"	0.109	0.074	12			age not evaluated		DUPLICATE ANALYSES	
2686	1	23.3	0.5	biotite	conventional K-Ar	74B	"4.72E-04, 0.584E-04, 1.19E-04*"	7.85	2.65	53			age of intrusion	3% CHLORITE	DUPLICATE K ANALYSES	
2686	2	25.32	0.5	muscovite	conventional K-Ar	74M	"4.72E-04, 0.584E-04, 1.19E-04*"	8.69	3.19	63			age of intrusion		DUPLICATE K ANALYSES	
2687	1	32.99	0.6	biotite	conventional K-Ar	100	"4.72E-04, 0.584E-04, 1.19E-04*"	8.49	4.07	63			age of intrusion		DUPLICATE K ANALYSES	
2688	1	28.48	0.9	hornblende	conventional K-Ar	67	"4.72E-04, 0.584E-04, 1.19E-04*"	1.96	0.81	32			age of intrusion	"20% BIOTITE, 18% CHLORITE, 3% WHOLE-ROCK"	DUPLICATE K ANALYSES	
2689	1	12.76	0.5	biotite	conventional K-Ar	30	"4.72E-04, 0.584E-04, 1.19E-04*"	5.37	0.99	35			age of intrusion	35% CHLORITE	DUPLICATE K ANALYSES	
2690	1	12.92	0.5	biotite	conventional K-Ar	13	"4.72E-04, 0.584E-04, 1.19E-04*"	6.16	1.15	31			age of intrusion	16% CHLORITE	DUPLICATE K ANALYSES	
2691	1	14.11	0.6	biotite	conventional K-Ar	19A	"4.72E-04, 0.584E-04, 1.19E-04*"	8.58	1.75	33			age of intrusion		DUPLICATE K ANALYSES	
2692	1	14.82	1	orthoclase	conventional K-Ar	19BF	"4.72E-04, 0.584E-04, 1.19E-04*"	8.26	1.77	15			age of intrusion		REPLICATE ANALYSES	
2692	2	15.41	0.6	biotite	conventional K-Ar	19BB	"4.72E-04, 0.584E-04, 1.19E-04*"	5.43	1.21	24			age of intrusion			
2693	1	17.41	0.3	whole rock	conventional K-Ar	19C	"4.72E-04, 0.584E-04, 1.19E-04*"	3.89	0.98	55			age of intrusion		DUPLICATE K ANALYSES	
2694	1	13.05	0.3	whole rock	conventional K-Ar	22	"4.72E-04, 0.584E-04, 1.19E-04*"	5.04	0.95	59			age of intrusion		DUPLICATE K ANALYSES	
2695	1	16.27	0.3	biotite	conventional K-Ar	24	"4.72E-04, 0.584E-04, 1.19E-04*"	9.22	2.17	35			age of intrusion		DUPLICATE K ANALYSES	
2696	1	12.79	0.3	biotite	conventional K-Ar	752	"4.72E-04, 0.584E-04, 1.19E-04*"	8.28	1.53	39			age of intrusion		REPLICATE K ANALYSES	
2697	1	6.44	0.4	whole rock	conventional K-Ar	753	"4.72E-04, 0.584E-04, 1.19E-04*"	8.07	0.75	15			age of intrusion		DUPLICATE K ANALYSES	
2698	1	7.79	0.3	biotite	conventional K-Ar	754	"4.72E-04, 0.584E-04, 1.19E-04*"	7.03	0.79	25			age of intrusion	10% HORNBLENDE	DUPLICATE K ANALYSES	
2699	1	23.95	0.5	biotite	conventional K-Ar	140	"4.72E-04, 0.584E-04, 1.19E-04*"	7.75	2.69	71			age of intrusion		DUPLICATE K ANALYSES	
2700	1	37.84	0.8	biotite	conventional K-Ar	206B	"4.72E-04, 0.584E-04, 1.19E-04*"	6.83	3.76	55			age of intrusion	15% HORNBLENDE		
2700	2	42.9	0.8	hornblende+biotite+(uralitized)pyroxene mixture	conventional K-Ar	206H	"4.72E-04, 0.584E-04, 1.19E-04*"	1.92	1.2	51				HORNBLENDE+BIOTITE+(URALITIZED)PYROXENE MIXTURE	REPLICATE ANALYSES	
2701	1	44.2	0.8	biotite - hornblende	conventional K-Ar	8	"4.72E-04, 0.584E-04, 1.19E-04*"	2.45	1.56	62			age of intrusion	BIOTITE-HORNBLENDE MIXTURE WITH 6% CHLORITE	DUPLICATE ANALYSES	
2702	1	29.3	0.6	biotite	conventional K-Ar	176B	"4.72E-04, 0.584E-04, 1.19E-04*"	4.42	1.88	59			age of intrusion	"15% CHLORITE, 5% WHOLE-ROCK"	REPLICATE K ANALYSES	
2702	2	27.18	0.5	orthoclase	conventional K-Ar	176F	"4.72E-04, 0.584E-04, 1.19E-04*"	10.35	4.08	66			minimum age of intrusion		DUPLICATE K ANALYSES	
2703	1	9.49	0.3	biotite	conventional K-Ar	147	"4.72E-04, 0.584E-04, 1.19E-04*"	7.08	0.97	34			age of intrusion	"8% WHOLE-ROCK, 5% CHLORITE"	DUPLICATE ANALYSES	
2704	1	30.62	0.6	biotite	conventional K-Ar	148	"4.72E-04, 0.584E-04, 1.19E-04*"	7.13	3.17	63			age of intrusion	"4% HORNBLENDE, 2% CHLORITE"	REPLICATE K ANALYSES	
2705	1	21.46	0.4	biotite	conventional K-Ar	162	"4.72E-04, 0.584E-04, 1.19E-04*"	7.69	2.39	58			age of intrusion		DUPLICATE ANALYSES	
2706	1	21.55	0.4	biotite	conventional K-Ar	163	"4.72E-04, 0.584E-04, 1.19E-04*"	7.4	2.31	57			age of intrusion	6% HORNBLENDE	DUPLICATE ANALYSES	
2707	1	22.55	0.7	augite-ferroaugite	conventional K-Ar	164	"4.72E-04, 0.584E-04, 1.19E-04*"	1.01	0.33	34			age of intrusion	"30% HORNBLENDE, 5% WHOLE-ROCK"	DUPLICATE ANALYSES	
2708	1	39.82	1.2	biotite	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04*"	7.4	4.29	90			age of intrusion	35-60 MESH	DUPLICATE K2O ANALYSES	
2709	1	39.47	1.3	biotite	conventional K-Ar	2	"4.72E-04, 0.585E-04, 1.19E-04*"	7.92	4.55	83			age of intrusion	35-60 MESH	DUPLICATE K2O ANALYSES	
2710	1	41.26	1.3	biotite	conventional K-Ar	3	"4.72E-04, 0.585E-04, 1.19E-04*"	8.82	5.3	77			age of intrusion	35-60 MESH	DUPLICATE K20 ANALYSES	
2711	1	38.87	1	biotite	conventional K-Ar	4	"4.72E-04, 0.585E-04, 1.19E-04*"	9.22	5.216	77			age of intrusion	20-60 MESH	DUPLICATE K20 ANALYSES	
2712	1	38.65	1.2	biotite	conventional K-Ar	8	"4.72E-04, 0.585E-04, 1.19E-04*"	8.75	4.922	83			age of intrusion	35-80 MESH	DUPLICATE K20 ANALYSES	
2713	1	38.62	1.2	biotite	conventional K-Ar	9	"4.72E-04, 0.585E-04, 1.19E-04*"	8.53	4.794	85			age of intrusion	35-60 MESH	DUPLICATE K20 ANALYSES	
2714	1	38.45	1.2	biotite	conventional K-Ar	10	"4.72E-04, 0.585E-04, 1.19E-04*"	8.93	4.997	74			age of intrusion	35-80 MESH	DUPLICATE K20 ANALYSES	
2715	1	38.25	1.2	phlogopite	conventional K-Ar	11A	"4.72E-04, 0.585E-04, 1.19E-04*"	9.18	5.109	82			age of intrusion	20-60 MESH	DUPLICATE K20 ANALYSES	
2715	2	38.19	1.2	biotite	conventional K-Ar	11B	"4.72E-04, 0.585E-04, 1.19E-04*"	8.65	4.807	73			age of intrusion	35-80 MESH	DUPLICATE K20 ANALYSES	
2716	1	37.85	1	biotite	conventional K-Ar	12A	"4.72E-04, 0.585E-04, 1.19E-04*"	8.1	4.46	64			age of intrusion	35-60 MESH		
2716	2	35.91	0.9	hornblende	conventional K-Ar	12B	"4.72E-04, 0.585E-04, 1.19E-04*"	1.07	0.5587	54			age of intrusion	35-80 MESH	DUPLICATE K20 ANALYSES	
2717	1	34.97	1	biotite	conventional K-Ar	16	"4.72E-04, 0.585E-04, 1.19E-04*"	8.77	4.459	73			age of volcanism	35-80 MESH		
2718	1	32.84	0.9	biotite	conventional K-Ar	17	"4.72E-04, 0.585E-04, 1.19E-04*"	7.25	3.459	57			age of volcanism	35-60 MESH		
2719	1	39.22	1.4	biotite	conventional K-Ar	19A	"4.72E-04, 0.585E-04, 1.19E-04*"	8.69	4.96	74			age of intrusion	35-60 MESH	DUPLICATE K20 ANALYSES	
2719	2	39.08	1.4	biotite	conventional K-Ar	19B	"4.72E-04, 0.585E-04, 1.19E-04*"	7.93	4.51	74			age of intrusion	80-120 MESH	DUPLICATE K20 ANALYSES	
2720	1	39.02	1.3	biotite	conventional K-Ar	20A	"4.72E-04, 0.585E-04, 1.19E-04*"	8.84	5.02	79			age of intrusion	35-60 MESH	DUPLICATE K20 ANALYSES	
2720	2	37.8	1.3	biotite	conventional K-Ar	20B	"4.72E-04, 0.585E-04, 1.19E-04*"	8.42	4.63	80			age of intrusion	80-120 MESH	DUPLICATE K20 ANALYSES	
2721	1	38.65	1	biotite	conventional K-Ar	21	"4.72E-04, 0.585E-04, 1.19E-04*"	8.74	4.916	80			age of intrusion	35-80 MESH		
2722	1	36.78	1.6	biotite	conventional K-Ar	22	"4.72E-04, 0.585E-04, 1.19E-04*"	9.08	4.857	36			age of intrusion	35-80 MESH		
2723	1	38.17	1.4	biotite	conventional K-Ar	23A	"4.72E-04, 0.585E-04, 1.19E-04*"	8.48	4.71	92			age of intrusion	80-120 MESH		
2723	2	37.83	1.4	biotite	conventional K-Ar	23B	"4.72E-04, 0.585E-04, 1.19E-04*"	8.74	4.81	68			age of intrusion	35-60 MESH	DUPLICATE K20 ANALYSES	
2724	1	37.48	1.2	biotite	conventional K-Ar	24	"4.72E-04, 0.585E-04, 1.19E-04*"	8.725	4.757	85			age of intrusion		DUPLICATE K20 ANALYSES	
2725	1	36.87	1.5	biotite	conventional K-Ar	25	"4.72E-04, 0.585E-04, 1.19E-04*"	10.05	5.39	60			age of intrusion	35-80 MESH	DUPLICATE K20 ANALYSES	
2757	1	36.22	0.7	biotite	conventional K-Ar	109	"4.72E-04, 0.584E-04, 1.19E-04*"	8.43	4.44	64			age of intrusion		DUPLICATE ANALYSES	
2758	1	32.4	0.6	biotite	conventional K-Ar	138	"4.72E-04, 0.584E-04, 1.19E-04*"	8.35	3.93	61			age of intrusion		DUPLICATE K ANALYSES	
2759	1	36.37	0.7	biotite	conventional K-Ar	93	"4.72E-04, 0.584E-04, 1.19E-04*"	6.22	3.29	62			age of intrusion	"3% CHLORITE, 10% HORNBLENDE"	DUPLICATE K ANALYSES	
2760	1	32.92	0.6	biotite	conventional K-Ar	82	"4.72E-04, 0.584E-04, 1.19E-04*"	7.59	3.63	67			age of intrusion		DUPLICATE K ANALYSES	
2761	1	37.09	0.7	biotite	conventional K-Ar	52	"4.72E-04, 0.584E-04, 1.19E-04*"	7.84	4.23	66			age of intrusion	3% CHLORITE		
2762	1	34.45	0.7	biotite	conventional K-Ar	37	"4.72E-04, 0.584E-04, 1.19E-04*"	7.45	3.73	70			minimum age of intrusion	7% CHLORITE AND MONTMORILLONITE	DUPLICATE K ANALYSES	INITIAL AGE MAY BE MESOZOIC
2763	1	33.3	0.6	biotite	conventional K-Ar	155	"4.72E-04, 0.584E-04, 1.19E-04*"	7.11	3.44	64			age of intrusion	6% CHLORITE AND MONTMORILLONITE	REPLICATE K ANALYSES	
2764	1	13.54	0.5	biotite	conventional K-Ar	29	"4.72E-04, 0.584E-04, 1.19E-04*"	7.97	1.56	39			age of intrusion	1% CHLORITE	DUPLICATE K ANALYSES	
2765	1	14.15	0.6	biotite	conventional K-Ar	23	"4.72E-04, 0.584E-04, 1.19E-04*"	2.9	0.593	25			age of intrusion	BIOTITE-HORNBLENDE CONCENTRATE WITH 10% QUARTZ AND FELDSPAR	REPLICATE K ANALYSES	
2766	1	16.05	0.3	biotite	conventional K-Ar	25	"4.72E-04, 0.584E-04, 1.19E-04*"	7.41	1.72	45			age of intrusion	2% CHLORITE	REPLICATE K ANALYSES	
2767	1	33.54	0.7	biotite	conventional K-Ar	145	"4.72E-04, 0.584E-04, 1.19E-04*"	4.35	2.12	42		Armstrong (1970); Armstrong (1966)	age of intrusion	BIOTITE-HORNBLENDE MIXTURE WITH 10% WHOLE-ROCK	DUPLICATE ANALYSES	
2768	1	19.29	0.4	biotite	conventional K-Ar	94	"4.72E-04, 0.584E-04, 1.19E-04*"	8.2	2.29	45		Armstrong (1970); Armstrong (1966)	age of intrusion	2% CHLORITE	REPLICATE K ANALYSES	
2769	1	17.38	0.3	biotite	conventional K-Ar	175	"4.72E-04, 0.584E-04, 1.19E-04*"	8.87	2.23	58		Armstrong (1970); Armstrong (1966)	age of intrusion	1% MONTMORILLONITE	DUPLICATE K ANALYSES	
2770	1	21.96	0.6	biotite	conventional K-Ar	161	"4.72E-04, 0.584E-04, 1.19E-04*"	5.47	1.74	32		Armstrong (1970); Armstrong (1966)	age of intrusion	5% HORNBLENDE	REPLICATE ANALYSES	
2771	1	26.8	0.5	biotite	conventional K-Ar	146	"4.72E-04, 0.584E-04, 1.19E-04*"	7.1	2.76	55		Armstrong (1970); Armstrong (1966)	age of intrusion	"4% CHLORITE, 5% HORNBLENDE"	DUPLICATE K ANALYSES	
2772	1	33.62	0.7	biotite	conventional K-Ar	154	"4.72E-04, 0.584E-04, 1.19E-04*"	6.14	3	61			age of intrusion	"8% CHLORITE, 15% HORNBLENDE"	DUPLICATE K ANALYSES	
2773	1	0.57	0.04	sanidine	conventional K-Ar	21	"4.72E-04, 0.584E-04, 1.19E-04*"	9.2	0.076	16		Armstrong (1966)	age of volcanism		REPLICATE ANALYSES	
2774	1	92.33	2	biotite	conventional K-Ar	53	"4.72E-04, 0.584E-04, 1.19E-04*"	3.93	5.36	65			age of intrusion	"30% CHLORITE, 10% QUARTZ, FELDSPAR, AND HORNBLENDE"	REPLICATE K ANALYSES	
2775	1	162.19	3	biotite	conventional K-Ar	91	"4.72E-04, 0.584E-04, 1.19E-04*"	5.55	13.56	87			age of intrusion	"9% CHLORITE, 10% HORNBLENDE"	DUPLICATE K ANALYSES	
2776	1	155.39	3	muscovite	conventional K-Ar	107	"4.72E-04, 0.584E-04, 1.19E-04*"	7.76	18.13	90			age of intrusion	"10% BIOTITE, CHLORITE, QUARTZ, AND FELDSPAR"	REPLICATE K ANALYSES	
2777	1	103.28	2	biotite	conventional K-Ar	108	"4.72E-04, 0.584E-04, 1.19E-04*"	5.6	8.57	84			age of intrusion	20% CHLORITE AND MONTMORILLONITE	REPLICATE ANALYSES	
2778	1	153.82	3	biotite	conventional K-Ar	115	"4.72E-04, 0.584E-04, 1.19E-04*"	6.64	15.35	88			age of intrusion	15% CHLORITE	REPLICATE K ANALYSES	
2779	1	142.65	3	hornblende	conventional K-Ar	130	"4.72E-04, 0.584E-04, 1.19E-04*"	0.744	1.59	59			age of intrusion	25% QUARTZ AND FELDSPAR	DUPLICATE K ANALYSES	
2780	1	156.77	3	biotite	conventional K-Ar	132	"4.72E-04, 0.584E-04, 1.19E-04*"	7.04	16.6	89			age of intrusion	3% CHLORITE AND MONTMORILLONITE	DUPLICATE K ANALYSES	
2781	1	102.02	2	biotite	conventional K-Ar	190	"4.72E-04, 0.584E-04, 1.19E-04*"	6.77	10.23	85				"3% GARNET, 9% CHLORITE AND MONTMORILLONITE"	REPLICATE K ANALYSES	AGE IS PROBABLY JURASSIC
2782	1	141.61	3	biotite	conventional K-Ar	216	"4.72E-04, 0.584E-04, 1.19E-04*"	7.69	16.31	90			age of intrusion	7% CHLORITE	DUPLICATE K ANALYSES	
2783	1	137.23	3	biotite	conventional K-Ar	87	"4.72E-04, 0.584E-04, 1.19E-04*"	3.22	6.61	89			age of intrusion	BIOTITE-HORNBLENDE MIXTURE	DUPLICATE K ANALYSES	
2784	1	121.27	2	biotite	conventional K-Ar	180	"4.72E-04, 0.584E-04, 1.19E-04*"	5.41	9.77	80			initial age disturbed by later metamorphism	30% CHLORITE	REPLICATE K ANALYSES	
2785	1	29.21	0.6	muscovite	conventional K-Ar	39	"4.72E-04, 0.584E-04, 1.19E-04*"	7.69	3.26	68			age not evaluated		DUPLICATE K ANALYSES	
2786	1	29.17	0.7	common micas	conventional K-Ar	40	"4.72E-04, 0.584E-04, 1.19E-04*"	5.15	2.18	44			age not evaluated	MUSCOVITE-BIOTITE MIXTURE	DUPLICATE K ANALYSES	
2787	1	29.41	0.6	muscovite	conventional K-Ar	96	"4.72E-04, 0.584E-04, 1.19E-04*"	9.72	4.15	63		Armstrong and Hanson (1966)	age of intrusion		DUPLICATE K ANALYSES	
2788	1	17.57	0.6	muscovite	conventional K-Ar	97	"4.72E-04, 0.584E-04, 1.19E-04*"	4.17	1.06	39		Armstrong and Hanson (1966)	age not evaluated	MUSCOVITE-CHLORITE MIXTURE	DUPLICATE K ANALYSES	
2789	1	27.76	0.6	biotite	conventional K-Ar	135	"4.72E-04, 0.584E-04, 1.19E-04*"	7.92	3.19	65			age not evaluated	8% CHLORITE	DUPLICATE K ANALYSES	
2790	1	21.12	0.4	biotite	conventional K-Ar	136	"4.72E-04, 0.584E-04, 1.19E-04*"	8.99	2.75	58			age not evaluated	1% CHLORITE	REPLICATE K ANALYSES	
2791	1	49.97	1	biotite	conventional K-Ar	142B	"4.72E-04, 0.584E-04, 1.19E-04*"	9.39	6.85	92		Armstrong and Hanson (1966)	age not evaluated		DUPLICATE K ANALYSES	
2792	1	68.03	1.4	biotite	conventional K-Ar	143	"4.72E-04, 0.584E-04, 1.19E-04*"	5.17	5.16	89		Armstrong and Hanson (1966)	minimum age of metamorphic crystallization	22% CHLORITE	DUPLICATE ANALYSES	
2793	1	60.12	1.2	whole rock	conventional K-Ar	192B	"4.72E-04, 0.584E-04, 1.19E-04*"	3.42	3.01	60			age not evaluated		DUPLICATE K ANALYSES	
2794	1	452.22	9	whole rock	conventional K-Ar	219	"4.72E-04, 0.584E-04, 1.19E-04*"	2.78	20.57	92		Pierce and Armstrong (1966)	minimum age of volcanism		DUPLICATE K ANALYSES	
2795	1	377.45	8	whole rock	conventional K-Ar	220	"4.72E-04, 0.584E-04, 1.19E-04*"	2.48	14.99	91		Pierce and Armstrong (1966)			DUPLICATE K ANALYSES	MAY DATE THE TIME OF FAULTING
2796	1	34.91	2	hornblende	conventional K-Ar	70 ACS 423	"4.72E-04, 0.585E-04, 1.19E-04*"	0.131	0.0665	17			age not evaluated		DUPLICATE K20 ANALYSES	
2797	1	305.56	9	biotite	conventional K-Ar	68 ABG 247	"4.72E-04, 0.585E-04, 1.19E-04*"	8.82	42.28	94			age meaning uncertain (geologic factors)		DUPLICATE K20 ANALYSES	
2798	1	181.94	5	biotite	conventional K-Ar	68 ABG 727	"4.72E-04, 0.585E-04, 1.19E-04*"	8.81	24.28	94			age meaning uncertain (geologic factors)		DUPLICATE K20 ANALYSES	
2799	1	66.39	2	biotite	conventional K-Ar	72 ACY 127	"4.72E-04, 0.585E-04, 1.19E-04*"	9.3	9.055	87			minimum age of intrusion			
2799	2	64.31	2	hornblende	conventional K-Ar	72 ACY 127	"4.72E-04, 0.585E-04, 1.19E-04*"	0.782	0.7371	78			minimum age of intrusion		DUPLICATE K20 ANALYSES	
2800	1	67.27	2	biotite	conventional K-Ar	72 ACY 117	"4.72E-04, 0.585E-04, 1.19E-04*"	9.33	9.207	79			minimum age of intrusion			
2800	2	64.61	2	hornblende	conventional K-Ar	72 ACY 117	"4.72E-04, 0.585E-04, 1.19E-04*"	1.042	0.9869	77			minimum age of intrusion		DUPLICATE K20 ANALYSES	
2801	1	445.54	13	amphiboles	conventional K-Ar	66 AE 91	"4.72E-04, 0.585E-04, 1.19E-04*"	0.674	4.904	51			minimum age of volcanism		DUPLICATE K20 ANALYSES	
2802	1	450.75	13	amphiboles	conventional K-Ar	65 AE 31	"4.72E-04, 0.585E-04, 1.19E-04*"	0.594	4.379	85			minimum age of volcanism		DUPLICATE K20 ANALYSES	
2803	1	286.67	9	amphiboles	conventional K-Ar	71 AE 67	"4.72E-04, 0.585E-04, 1.19E-04*"	0.653	2.921	79			initial age disturbed by later metamorphism		DUPLICATE K20 ANALYSES	
2804	1	114.42	3	amphiboles	conventional K-Ar	71 AE 68	"4.72E-04, 0.585E-04, 1.19E-04*"	0.842	1.432	67			age of intrusion		DUPLICATE K20 ANALYSES	
2805	1	67.28	2	biotite	conventional K-Ar	69 ACK 1008	"4.72E-04, 0.585E-04, 1.19E-04*"	8.67	8.556	78			minimum age of intrusion		DUPLICATE K20 ANALYSES	
2806	1	2.91	0.14	whole rock	conventional K-Ar	73 AHP 47	"4.72E-04, 0.585E-04, 1.19E-04*"	0.866	0.0363	40			age of volcanism		REPLICATE K20 ANALYSES	
2807	1	65.8	2	hornblende	conventional K-Ar	70 AMK 15D	"4.72E-04, 0.585E-04, 1.19E-04*"	1.594	1.538	70			minimum age of intrusion		DUPLICATE K20 ANALYSES	
2807	2	56.91	2	biotite	conventional K-Ar	70 AMK 15D	"4.72E-04, 0.585E-04, 1.19E-04*"	8.71	7.25	46			minimum age of intrusion		DUPLICATE K20 ANALYSES	
2808	1	113.98	3	biotite	conventional K-Ar	70 AMK 14A-2	"4.72E-04, 0.585E-04, 1.19E-04*"	7.71	13.06	91			age not evaluated		DUPLICATE K20 ANALYSES	
2809	1	122.15	4	hornblende	conventional K-Ar	70 AMK 10B	"4.72E-04, 0.585E-04, 1.19E-04*"	0.417	0.7587	66			maximum age of intrusion			
2810	1	107.94	3	hornblende	conventional K-Ar	70 AMK 8A-2	"4.72E-04, 0.585E-04, 1.19E-04*"	0.858	1.374	72			age not evaluated		DUPLICATE K20 ANALYSES	
2810	2	110.6	3	biotite	conventional K-Ar	70 AMK 8A-2	"4.72E-04, 0.585E-04, 1.19E-04*"	8.3	13.63	85			age not evaluated		DUPLICATE K20 ANALYSES	
2811	1	30.02	1	biotite	conventional K-Ar	70 AWK 6A	"4.72E-04, 0.585E-04, 1.19E-04*"	7.22	3.147	60			minimum age of intrusion		DUPLICATE K20 ANALYSES	
2812	1	31.35	1	biotite	conventional K-Ar	70 AWK 5D	"4.72E-04, 0.585E-04, 1.19E-04*"	7.13	3.246	69			minimum age of intrusion		DUPLICATE K20 ANALYSES	
2813	1	33.83	1	hornblende	conventional K-Ar	70 AMK 3C	"4.72E-04, 0.585E-04, 1.19E-04*"	0.48	0.236	35			minimum age of intrusion			
2814	1	23.25	1	biotite	conventional K-Ar	70 AMK 3A	"4.72E-04, 0.585E-04, 1.19E-04*"	8.69	2.928	20					DUPLICATE K20 ANALYSES	AGE MAY BE LOW DUE TO CATACLASIS
2815	1	113.41	3	hornblende	conventional K-Ar	70 AWK 2A	"4.72E-04, 0.585E-04, 1.19E-04*"	0.934	1.574	87			age of intrusion		DUPLICATE K20 ANALYSES	
2815	2	112.32	3	biotite	conventional K-Ar	70 AWK 2A	"4.72E-04, 0.585E-04, 1.19E-04*"	8.87	14.8	93			age of intrusion			
2816	1	144.9	4	hornblende	conventional K-Ar	71 AMK 26A	"4.72E-04, 0.585E-04, 1.19E-04*"	0.813	1.766	76			age not evaluated			
2817	1	148.35	4	hornblende	conventional K-Ar	71 AMK 19C	"4.72E-04, 0.585E-04, 1.19E-04*"	0.681	1.516	77			age not evaluated		DUPLICATE K20 ANALYSES	
2818	1	3.84	0.8	hornblende	conventional K-Ar	70 AMK 61C	"4.72E-04, 0.585E-04, 1.19E-04*"	0.468	0.0259	5			age of intrusion			
2819	1	145.56	4	hornblende	conventional K-Ar	70 AMK 60D-2	"4.72E-04, 0.585E-04, 1.19E-04*"	0.8	1.746	77			age not evaluated			
2820	1	137.49	7	hornblende	conventional K-Ar	70 AMK 60B	"4.72E-04, 0.585E-04, 1.19E-04*"	0.704	1.448	30			age not evaluated		DUPLICATE K20 ANALYSES	
2821	1	57.94	2	hornblende	conventional K-Ar	70 AMA 226	"4.72E-04, 0.585E-04, 1.19E-04*"	1.062	0.9003	52			age of intrusion		DUPLICATE K20 ANALYSES	
2821	2	57.8	2	biotite	conventional K-Ar	70 AMA 226	"4.72E-04, 0.585E-04, 1.19E-04*"	7.37	6.232	79			age of intrusion			
2822	1	59.1	2	hornblende	conventional K-Ar	67 AMA 226	"4.72E-04, 0.585E-04, 1.19E-04*"	1.058	0.9151	73			age of intrusion		DUPLICATE K20 ANALYSES	
2822	2	58.1	2	biotite	conventional K-Ar	67 AMA 226	"4.72E-04, 0.585E-04, 1.19E-04*"	7.22	6.138	86			age of intrusion		DUPLICATE K20 ANALYSES	
2823	1	94.59	2.6	hornblende	conventional K-Ar	70 AMM 158B	"4.72E-04, 0.585E-04, 1.19E-04*"	0.894	1.25	81			age not evaluated		DUPLICATE K20 ANALYSES	
2823	2	90.48	1.5	biotite	conventional K-Ar	70 AMM 158B	"4.72E-04, 0.585E-04, 1.19E-04*"	7.8	10.42	93			age not evaluated		DUPLICATE K20 ANALYSES	
2824	1	96.23	3	biotite		71 AMM 415A	"4.72E-04, 0.585E-04, 1.19E-04*"	8.96	12.75	78			age not evaluated		DUPLICATE K20 ANALYSES	
2825	1	96.21	3	biotite	conventional K-Ar	71 AGK 259	"4.72E-04, 0.585E-04, 1.19E-04*"	7.12	10.13	68			age not evaluated		DUPLICATE K20 ANALYSES	
2826	1	61.37	1.8	biotite	conventional K-Ar	S-70	"4.72E-04, 0.585E-04, 1.19E-04*"	8.3	7.46	85			minimum age of intrusion		DUPLICATE K20 ANALYSES	
2827	1	11.39	3	hornblende	conventional K-Ar	54 SN 197	"4.72E-04, 0.585E-04, 1.19E-04*"	0.354	0.0582	5			minimum age of intrusion		DUPLICATE K20 ANALYSES	
2827	2	3.45	0.2	biotite	conventional K-Ar	54 SN 197	"4.72E-04, 0.585E-04, 1.19E-04*"	7.54	0.3754	32			initial age disturbed by later metamorphism			THERMAL EVENT RELATED TO LATE-CENOZOIC MAKUSHIN VOLCANO
2828	1	17.51	1	biotite	conventional K-Ar	12-100	"4.72E-04, 0.585E-04, 1.19E-04*"	7.51	1.902	30			age not evaluated			
2829	1	15.02	1	plagioclase	conventional K-Ar	69 C 24	"4.72E-04, 0.585E-04, 1.19E-04*"	0.247	0.0536	16			age of intrusion			
2830	1	88.83	2.6	biotite	conventional K-Ar	HAIWEE-1	"4.72E-04, 0.585E-04, 1.19E-04*"	8.78	11.51	89			age not evaluated		DUPLICATE K20 ANALYSES	
2831	1	0.09	0.01	whole rock	conventional K-Ar	H72-52	"4.72E-04, 0.585E-04, 1.19E-04*"	4.72	0.0062	9			age not evaluated		DUPLICATE K20 ANALYSES	
2832	1	0.48	0.01	whole rock	conventional K-Ar	H72-1	"4.72E-04, 0.585E-04, 1.19E-04*"	4.74	0.0327	33			age not evaluated		DUPLICATE K20 ANALYSES	
2833	1	0.55	0.02	whole rock	conventional K-Ar	H72-73DI	"4.72E-04, 0.585E-04, 1.19E-04*"	4.68	0.0372	41			age not evaluated		DUPLICATE K20 ANALYSES	
2834	1	83.89	2.5	biotite	conventional K-Ar	A-240	"4.72E-04, 0.585E-04, 1.19E-04*"	6.9	8.53	89			age not evaluated		DUPLICATE K20 ANALYSES	
2835	1	570	7	lamprobolite	39Ar-40Ar total fusion	72 MC-117E	"4.72E-04, 0.585E-04, 1.19E-04"			91			age of volcanism		39AR-40AR AGE; ADDITIONAL DATA IN ARTICLE	
2836	1	100.95	3	hornblende	conventional K-Ar	T-152	"4.72E-04, 0.585E-04, 1.19E-04*"	1.259	1.882	83			age not evaluated		DUPLICATE K20 ANALYSES	
2836	2	92.35	2.7	biotite	conventional K-Ar	T-152	"4.72E-04, 0.585E-04, 1.19E-04*"	9.06	12.36	94			age not evaluated		DUPLICATE K20 ANALYSES	
2837	1	95.9	2.8	hornblende	conventional K-Ar	T-153	"4.72E-04, 0.585E-04, 1.19E-04*"	0.578	0.8196	51			age not evaluated		DUPLICATE K20 ANALYSES	
2837	2	90.75	2.7	biotite	conventional K-Ar	T-153	"4.72E-04, 0.585E-04, 1.19E-04*"	9	12.06	93			age not evaluated		DUPLICATE K20 ANALYSES	
2838	1	90.68	2.7	muscovite	conventional K-Ar	T-154	"4.72E-04, 0.585E-04, 1.19E-04*"	10.3	13.79	77			age not evaluated		DUPLICATE K20 ANALYSES	
2838	2	94.02	2.8	biotite	conventional K-Ar	T-154	"4.72E-04, 0.585E-04, 1.19E-04*"	9.32	12.95	94			age not evaluated		DUPLICATE K20 ANALYSES	
2839	1	96.94	2.8	muscovite	conventional K-Ar	T-155	"4.72E-04, 0.585E-04, 1.19E-04*"	10.74	15.4	67			age not evaluated		DUPLICATE K20 ANALYSES	
2839	2	110.67	3	biotite	conventional K-Ar	T-155	"4.72E-04, 0.585E-04, 1.19E-04*"	9.39	15.43	93			age not evaluated		DUPLICATE K20 ANALYSES	
2840	1	83.2	2.4	hornblende	conventional K-Ar	T-156	"4.72E-04, 0.585E-04, 1.19E-04*"	0.564	0.6914	61			age not evaluated		DUPLICATE K20 ANALYSES	
2840	2	80.74	2.4	biotite	conventional K-Ar	T-156	"4.72E-04, 0.585E-04, 1.19E-04*"	9.16	10.89	90			age not evaluated		DUPLICATE K20 ANALYSES	
2841	1	43.95	1.3	hornblende	conventional K-Ar	C-559	"4.72E-04, 0.585E-04, 1.19E-04*"	0.56	0.3587	27			age not evaluated		DUPLICATE K20 ANALYSES	
2842	1	100.22	2.9	biotite	conventional K-Ar	H-1	"4.72E-04, 0.585E-04, 1.19E-04*"	8.87	13.16	90			age not evaluated		DUPLICATE K20 ANALYSES	
2843	1	2379.18	120	biotite	conventional K-Ar	3(KA-307)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.8	626			Goldich and others (1961)	initial age disturbed by later metamorphism			
2844	1	2392.78	120	biotite	conventional K-Ar	4	"4.72E-04, 0.585E-04, 1.19E-04*"	8.07	580				initial age disturbed by later metamorphism			
2866	1	997.29	50	biotite	conventional K-Ar	KA-93B	"4.76E-04, 0.589E-04, 1.18E-04*"	5.79	111				age of intrusion		DUPLICATE ARGON ANALYSES	
2866	2	1047.24		K feldspar		KA-93F	"4.76E-04, 0.589E-04, 1.18E-04*"	12.77	261						NO AGE CALCULATED	
2867	1	457.49	23	glauconite	conventional K-Ar	KA-113	"4.76E-04, 0.589E-04, 1.18E-04*"	7.87	59							AGE IS TOO YOUNG
2868	1	436.45	22	glauconite	conventional K-Ar	KA-114	"4.76E-04, 0.589E-04, 1.18E-04*"	7.99	56.8							AGE TOO YOUNG
2869	1	445.94	22	glauconite	conventional K-Ar	KA-192	"4.76E-04, 0.589E-04, 1.18E-04*"	7.73	56.3							AGE TOO YOUNG
2870	1	1973.36	100	biotite	conventional K-Ar	57B	"4.76E-04, 0.589E-04, 1.18E-04*"	7.62	393			Goldich and others (1970)	initial age disturbed by later metamorphism		DUPLICATE ARGON ANALYSES	
2870	2	1700.18		K feldspar		57F	"4.76E-04, 0.589E-04, 1.18E-04*"	11.8	480						NO AGE CALCULATED	
2871	1	1066.26	50	biotite	conventional K-Ar	128B	"4.76E-04, 0.589E-04, 1.18E-04*"	8.17	171				age of intrusion			
2872	1	754.54	40	illite group	conventional K-Ar	190	"4.76E-04, 0.589E-04, 1.18E-04*"	10.38	140							AGE TOO YOUNG
2873	1	337.57	16	muscovite	conventional K-Ar	OSH	"4.76E-04, 0.589E-04, 1.18E-04*"	10.16	54.3				minimum age of intrusion			
2874	1	55.63	1.5	hornblende	conventional K-Ar	LS-1-63	"4.72E-04, 0.584E-04, 1.19E-04*"	1.15	0.9354	75		Jaffe and others (1959)	"maximum age of intrusion, sample contains excess radiogenic argon, age is too old"		40AR CALCULATED BY COMPILER	
2876	1	23.01	3.3	augite-ferroaugite	conventional K-Ar	LS-2-63	"4.72E-04, 0.584E-04, 1.19E-04*"	0.065	0.0217	13			age of intrusion		40AR CALCULATED BY COMPILER	
2877	1	26.16	2.5	augite-ferroaugite	conventional K-Ar	LS-3-63	"4.72E-04, 0.584E-04, 1.19E-04*"	0.116	0.044	20			age of intrusion		40AR CALCULATED BY COMPILER	
2878	1	40.4		phlogopite	conventional K-Ar	MC-66	"4.72E-04, 0.585E-04, 1.19E-04"	9.16		64			age of intrusion			
2878	2	39.4		phlogopite	conventional K-Ar	MC-66	"4.72E-04, 0.585E-04, 1.19E-04"	9.16		74			age of intrusion			
2879	1	36.5		phlogopite	conventional K-Ar	MC-104	"4.72E-04, 0.585E-04, 1.19E-04"	9.76		70			age of volcanism			
2879	2	37.4		phlogopite	conventional K-Ar	MC-104	"4.72E-04, 0.585E-04, 1.19E-04"	9.76		65			age of volcanism			
2880	1	13.7		phlogopite	conventional K-Ar	WC-2	"4.72E-04, 0.585E-04, 1.19E-04"	9.64		34			age of intrusion			
2880	2	12.8		phlogopite	conventional K-Ar	WC-2	"4.72E-04, 0.585E-04, 1.19E-04"	9.64		40			age of intrusion			
2881	1	38.7		whole rock	conventional K-Ar	WST-15	"4.72E-04, 0.585E-04, 1.19E-04"	5.54		80			age of intrusion			
2882	1	31.91	0.9	muscovite	conventional K-Ar	PED-56-66	"4.76E-04, 0.589E-04, 1.18E-04*"	10.12	4.69	90			initial age disturbed by later metamorphism	COARSE-GRAINED		MAY INDICATE MAXIMUM AGE OF UPLIFT AND COOLING
2883	1	27.96	0.9	biotite	conventional K-Ar	PED-20-62	"4.76E-04, 0.589E-04, 1.18E-04*"	7.1	2.88	72			"age of uplift and cooling, initial age disturbed by later metamorphism"			
2884	1	30.17	1	muscovite	conventional K-Ar	AH-L6	"4.76E-04, 0.589E-04, 1.18E-04*"	9.93	4.35	49			"age of uplift and cooling, initial age disturbed by later metamorphism"			
2885	1	27.57	0.9	muscovite	conventional K-Ar	AH-L77	"4.76E-04, 0.589E-04, 1.18E-04*"	8.1	3.24	73			"age of uplift and cooling, initial age disturbed by later metamorphism"			
2903	1	27.5	0.4	biotite	conventional K-Ar	156	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
2904	1	30.6	0.3	biotite	conventional K-Ar	200	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
2905	1	0.03	0.04	whole rock	conventional K-Ar	P-CL	"4.72E-04, 0.585E-04, 1.19E-04"		0.0043	0			minimum age of volcanism		NO POTASSIUM VALUE GIVEN	"AGE RANGE IS 30,000-128,000 YEARS."
2906	1	0.03	0.05	whole rock	conventional K-Ar	P-21-1	"4.72E-04, 0.585E-04, 1.19E-04"		0.0113	1			minimum age of volcanism		NO POTASSIUM VALUE GIVEN	"AGE RANGE IS 30,000-128,000 YEARS."
2906	2	0.07	0.06	whole rock	conventional K-Ar	P-29-2	"4.72E-04, 0.585E-04, 1.19E-04"		0.0202	1			minimum age of volcanism		NO POTASSIUM VALUE GIVEN	
2907	1	0.09	0.08	whole rock	conventional K-Ar	P-31-1	"4.72E-04, 0.585E-04, 1.19E-04"		0.026	1			age of volcanism		NO POTASSIUM VALUE GIVEN	"AGE RANGE IS 30,000-128,000 YEARS."
2907	2	0.13	0.1	whole rock	conventional K-Ar	P-31-2	"4.72E-04, 0.585E-04, 1.19E-04"		0.0362	1			age of volcanism		NO POTASIUM VALUE GIVEN	
2908	1	0.5	0.09	whole rock	conventional K-Ar	B-03	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	"AVERAGE OF 5 AGE DETERMINATIONS IS 536,000 YEARS."
2908	2	0.55	0.1	whole rock	conventional K-Ar	B-03	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
2909	1	0.58	0.13	whole rock	conventional K-Ar	B-04	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	"AVERAGE OF 5 AGE DETERMINATIONS IS 536,000 YEARS."
2909	2	0.55	0.12	whole rock	conventional K-Ar	B-04	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
2909	3	0.5	0.11	whole rock	conventional K-Ar	B-04	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
2910	1	0.72	0.08	whole rock	conventional K-Ar	K-03	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	"AVERAGE OF 2 AGE DETERMINATIONS IS 667,000 YEARS."
2910	2	0.62	0.06	whole rock	conventional K-Ar	K-03	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
2911	1	0.99	0.09	whole rock	conventional K-Ar	B-10	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	"AVERAGE OF 6 AGE DETERMINATIONS IS 918,000 YEARS."
2912	1	0.88	0.08	whole rock	conventional K-Ar	B-11	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	"AVERAGE OF 6 AGE DETERMINATIONS IS 918,000 YEARS."
2913	1	0.96	0.1	whole rock	conventional K-Ar	B-12	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	"AVERAGE OF 6 AGE DETERMINATIONS IS 918,000 YEARS."
2913	2	0.94	0.07	whole rock	conventional K-Ar	B-12	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
2914	1	0.89	0.06	whole rock	conventional K-Ar	B-19	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	"AVERAGE OF 6 AGE DETERMINATIONS IS 918,000 YEARS."
2914	2	0.85	0.06	whole rock	conventional K-Ar	B-19	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
2915	1	32.8	0.5	whole rock	conventional K-Ar	R-21	"4.72E-04, 0.585E-04, 1.19E-04"		1.1159	85			age of volcanism			
2916	1	0.44	0.04	whole rock	conventional K-Ar	R-29	"4.72E-04, 0.585E-04, 1.19E-04"		0.0134	11			age of volcanism			
2917	1	19.7	0.5	whole rock	conventional K-Ar	R-28	"4.72E-04, 0.585E-04, 1.19E-04"		0.4481	27			age of intrusion			
2918	1	19	0.6	whole rock	conventional K-Ar	R-34	"4.72E-04, 0.585E-04, 1.19E-04"		1.1349	33			age of volcanism			
2919	1	20.6	0.4	whole rock	conventional K-Ar	R-38	"4.72E-04, 0.585E-04, 1.19E-04"		0.9865	63			age of volcanism			
2920	1	21.9	0.4	biotite	conventional K-Ar	R-31	"4.72E-04, 0.585E-04, 1.19E-04"		2.7291	74			age of volcanism			
2921	1	21.7	0.4	biotite	conventional K-Ar	R-32	"4.72E-04, 0.585E-04, 1.19E-04"		2.7114	71			age of volcanism			
2922	1	21.8	0.4	sanidine	conventional K-Ar	R-16	"4.72E-04, 0.585E-04, 1.19E-04"		2.8002	81			age of volcanism			
2923	1	21.8	0.4	biotite	conventional K-Ar	EM-1	"4.72E-04, 0.585E-04, 1.19E-04"		2.7366	67			age of volcanism			
2924	1	21.8	0.4	whole rock	conventional K-Ar	R-17	"4.72E-04, 0.585E-04, 1.19E-04"		0.937	87			age of volcanism			
2925	1	22.3	0.4	whole rock	conventional K-Ar	R-20	"4.72E-04, 0.585E-04, 1.19E-04"		1.1125	87			age of volcanism			
2926	1	22.2	0.4	whole rock	conventional K-Ar	R-22	"4.72E-04, 0.585E-04, 1.19E-04"		1.1181	86			age of volcanism			
2927	1	22.8	0.4	biotite	conventional K-Ar	R-3	"4.72E-04, 0.585E-04, 1.19E-04"		2.9377	65			age of volcanism			
2928	1	22.1	0.4	biotite	conventional K-Ar	R-12	"4.72E-04, 0.585E-04, 1.19E-04"		2.7345	69			age of volcanism			
2929	1	22.4	0.4	biotite	conventional K-Ar	R-24	"4.72E-04, 0.585E-04, 1.19E-04"		2.8156	79			age of volcanism			
2930	1	22.3	0.4	biotite	conventional K-Ar	ES-1	"4.72E-04, 0.585E-04, 1.19E-04"		2.8518	52			age of volcanism			
2931	1	22.1	0.6	plagioclase	conventional K-Ar	R-11	"4.72E-04, 0.585E-04, 1.19E-04"		0.3999	42			age of volcanism			
2932	1	22.9	0.4	whole rock	conventional K-Ar	R-23	"4.72E-04, 0.585E-04, 1.19E-04"		0.6932	82			age of intrusion			
2933	1	20.7	0.5	whole rock	conventional K-Ar	R-27	"4.72E-04, 0.585E-04, 1.19E-04"		0.5109	52			age of volcanism			
2934	1	26	0.8	hornblende	conventional K-Ar	R-19	"4.72E-04, 0.585E-04, 1.19E-04"		0.3696	39			age of volcanism			
2935	1	25.1	0.7	whole rock	conventional K-Ar	R-5	"4.72E-04, 0.585E-04, 1.19E-04"		0.4659	41			age of volcanism			
2936	1	25.1	0.4	biotite	conventional K-Ar	R-1	"4.72E-04, 0.585E-04, 1.19E-04"		2.953	66			age of volcanism			
2937	1	25.5	0.5	plagioclase	conventional K-Ar	R-13	"4.72E-04, 0.585E-04, 1.19E-04"		0.3888	39			age of volcanism			
2938	1	24.4	0.8	plagioclase	conventional K-Ar	R-15	"4.72E-04, 0.585E-04, 1.19E-04"		0.2839	27			age of volcanism			
2939	1	23.9	0.5	plagioclase	conventional K-Ar	R-9	"4.72E-04, 0.585E-04, 1.19E-04"		0.361	36			age of volcanism			
2940	1	24	0.4	biotite	conventional K-Ar	R-10	"4.72E-04, 0.585E-04, 1.19E-04"		3.1024	56			age of volcanism			
2941	1	25	0.4	plagioclase	conventional K-Ar	R-8	"4.72E-04, 0.585E-04, 1.19E-04"		0.4476	56			age of volcanism			
2942	1	25.2	0.4	plagioclase	conventional K-Ar	R-7	"4.72E-04, 0.585E-04, 1.19E-04"		0.4546	33			age of volcanism			
2943	1	28.7	0.5	biotite	conventional K-Ar	R-25	"4.72E-04, 0.585E-04, 1.19E-04"		3.7	63			age of volcanism			
2944	1	31.1	0.5	biotite	conventional K-Ar	R-4	"4.72E-04, 0.585E-04, 1.19E-04"		3.7946	67			age of volcanism			
2960	1	114.43	2	biotite	conventional K-Ar	SC-69-1B	"4.72E-04, 0.584E-04, 1.19E-04*"	7.085	12.05	86			age of intrusion			
2961	1	66.41	1.3	biotite	conventional K-Ar	SC-69-7	"4.72E-04, 0.584E-04, 1.19E-04*"	7.61	7.411	73			age not evaluated			
2961	2	72.72	1.4	muscovite	conventional K-Ar	SC-69-7	"4.72E-04, 0.584E-04, 1.19E-04*"	9.37	10.01	72			age not evaluated			
2962	1	69.61	1.4	biotite	conventional K-Ar	SC-69-8	"4.72E-04, 0.584E-04, 1.19E-04*"	8.315	8.496	80			age not evaluated			
2963	1	71.2	1	biotite	conventional K-Ar	SC-69-9	"4.72E-04, 0.584E-04, 1.19E-04*"	8.39	8.772	8563			age not evaluated		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2964	1	72.91	1	biotite	conventional K-Ar	SC-69-10	"4.72E-04, 0.584E-04, 1.19E-04*"	7.4	7.927	7379			initial age disturbed by later metamorphism		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2964	2	109.26	1.5	biotite - hornblende	conventional K-Ar	SC-69-10	"4.72E-04, 0.584E-04, 1.19E-04*"	5.69	9.227	5783			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2965	1	93.26	1.5	hornblende - biotite	conventional K-Ar	SC-69-11	"4.72E-04, 0.584E-04, 1.19E-04*"	2.675	3.686	4752			"minimum age of intrusion, may denote delayed cooling"		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2966	1	148.73	2	biotite	conventional K-Ar	SC-69-12	"4.72E-04, 0.584E-04, 1.19E-04*"	5.86	13.08	8050			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2967	1	73.03	1	biotite	conventional K-Ar	SC-69-13	"4.72E-04, 0.584E-04, 1.19E-04*"	6.13	6.577	8079			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2968	1	73.01	1.4	biotite	conventional K-Ar	SC-69-14	"4.72E-04, 0.584E-04, 1.19E-04*"	7.77	8.335	78			minimum age of intrusion			
2969	1	71.88	1	biotite	conventional K-Ar	SC-69-16	"4.72E-04, 0.584E-04, 1.19E-04*"	7.745	8.177	8386			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2970	1	83.92	1.2	hornblende - biotite	conventional K-Ar	SC-69-17	"4.72E-04, 0.584E-04, 1.19E-04*"	1.99	2.461	4358			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2971	1	73.92	1.4	biotite	conventional K-Ar	SC-69-18	"4.72E-04, 0.584E-04, 1.19E-04*"	8.19	8.897	76			minimum age of intrusion			
2972	1	72.68	1.4	biotite	conventional K-Ar	SC-69-19	"4.72E-04, 0.584E-04, 1.19E-04*"	7.995	8.536	86			age not evaluated			
2973	1	70.19	1	biotite	conventional K-Ar	SC-69-20	"4.72E-04, 0.584E-04, 1.19E-04*"	8.5	8.759	7779			initial age disturbed by later metamorphism		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2973	2	80.06	1	hornblende	conventional K-Ar	SC-69-20	"4.72E-04, 0.584E-04, 1.19E-04*"	1.21	1.426	5954			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2974	1	73.83	1	biotite	conventional K-Ar	SC-69-21	"4.72E-04, 0.584E-04, 1.19E-04*"	8.28	8.984	8680			age not evaluated		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2975	1	83.29	1.2	biotite	conventional K-Ar	SC-69-22	"4.72E-04, 0.584E-04, 1.19E-04*"	6.59	8.087	7268			initial age disturbed by later metamorphism		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2975	2	198.21	3	hornblende	conventional K-Ar	SC-69-22	"4.72E-04, 0.584E-04, 1.19E-04*"	0.801	2.416	5647			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2976	1	80.28	1.2	biotite	conventional K-Ar	SC-69-23	"4.72E-04, 0.584E-04, 1.19E-04*"	8.58	10.14	8149			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2977	1	74.17	1.4	biotite	conventional K-Ar	SC-69-24	"4.72E-04, 0.584E-04, 1.19E-04*"	7.27	7.925	77			minimum age of intrusion			
2978	1	70.69	1.4	biotite	conventional K-Ar	SC-69-26	"4.72E-04, 0.584E-04, 1.19E-04*"	8.86	9.196	74			minimum age of intrusion			
2979	1	79	1.1	biotite	conventional K-Ar	SC-69-27	"4.72E-04, 0.584E-04, 1.19E-04*"	8.51	9.894	7165			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2980	1	92.75	2	biotite	conventional K-Ar	SC-69-28	"4.72E-04, 0.584E-04, 1.19E-04*"	2.69	3.686	46			minimum age of intrusion		POTASSIUM VALUE LOW FOR BIOTITE--COMPILER	
2980	2	91.74	1.8	hornblende	conventional K-Ar	SC-69-28	"4.72E-04, 0.584E-04, 1.19E-04*"	1.11	1.504	56			minimum age of intrusion			
2981	1	90.22	1.3	biotite	conventional K-Ar	SC-69-30	"4.72E-04, 0.584E-04, 1.19E-04*"	5.98	7.965	7573			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2981	2	96.91	1.5	hornblende	conventional K-Ar	SC-69-30	"4.72E-04, 0.584E-04, 1.19E-04*"	0.459	0.6579	6025			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	MORTON (1969) AND EVERNDEN AND KISTLER (1970) REPORT SIMILAR DATES IN LAKEVIEW MTNS.
2982	1	88.7	1.3	muscovite	conventional K-Ar	SC-69-33	"4.72E-04, 0.584E-04, 1.19E-04*"	6.56	8.587	7876			"minimum age of intrusion, may denote delayed cooling"		POTASSIUM AND ARGON VALUES ARE AVERAGES; POTASSIUM VALUE LOW FOR MUSCOVITE--COMPILER.	ZONED PEGMATITE WITHIN LAKEVIEW MTNS. PLUTON (QUARTZ DIORITE)
2983	1	94.71	1.8	biotite	conventional K-Ar	SC-69-36	"4.72E-04, 0.584E-04, 1.19E-04*"	7.8	10.92	78			minimum age of intrusion			
2983	2	93.98	1.8	hornblende	conventional K-Ar	SC-69-36	"4.72E-04, 0.584E-04, 1.19E-04*"	0.887	1.232	66			minimum age of intrusion			MORTON (1964) AND EVERNDEN AND KISTLER (1970) REPORT SIMILAR DATES FOR LAKEVIEW MTNS.
2984	1	92.49	1.8	biotite	conventional K-Ar	SC-69-37	"4.72E-04, 0.584E-04, 1.19E-04*"	8.98	12.27	83			minimum age of intrusion			
2984	2	92.62	1.8	biotite	conventional K-Ar	SC-69-37	"4.72E-04, 0.584E-04, 1.19E-04*"	8.5	11.63	91			minimum age of intrusion	LESS PURE BIOTITE		
2985	1	89.7	1.7	biotite	conventional K-Ar	SC-69-39	"4.72E-04, 0.584E-04, 1.19E-04*"	8.98	11.89	89			minimum age of intrusion			
2985	2	91.66	1.8	hornblende	conventional K-Ar	SC-69-39	"4.72E-04, 0.584E-04, 1.19E-04*"	1.21	1.638	57			minimum age of intrusion			
2986	1	89.14	1.3	biotite	conventional K-Ar	SC-69-40	"4.72E-04, 0.584E-04, 1.19E-04*"	9	11.84	8478			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2986	2	86.12	1.7	hornblende	conventional K-Ar	SC-69-40	"4.72E-04, 0.584E-04, 1.19E-04*"	1.76	2.235	70			minimum age of intrusion			
2987	1	81.18	1.1	biotite	conventional K-Ar	SC-69-41	"4.72E-04, 0.584E-04, 1.19E-04*"	8	9.564	7488			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2987	2	85.08	1.2	hornblende	conventional K-Ar	SC-69-41	"4.72E-04, 0.584E-04, 1.19E-04*"	1.64	2.057	7262			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2988	1	85.16	1.7	biotite	conventional K-Ar	SC-69-42	"4.72E-04, 0.584E-04, 1.19E-04*"	8.65	10.86	79			minimum age of intrusion			
2989	1	83.76	1.2	biotite	conventional K-Ar	SC-69-43	"4.72E-04, 0.584E-04, 1.19E-04*"	8.15	10.06	6669			may denote delayed cooling		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2989	2	89.93	1.4	biotite	conventional K-Ar	SC-69-43	"4.72E-04, 0.584E-04, 1.19E-04*"	8.67	11.51	8579			"minimum age of intrusion, may denote delayed cooling"	PURER BIOTITE CONCENTRATE	POTASSIUM AND ARGON VALUES ARE AVERAGES	
2989	3	91.24	1.8	hornblende	conventional K-Ar	SC-69-43	"4.72E-04, 0.584E-04, 1.19E-04*"	1.52	2.048	63			minimum age of intrusion			
2990	1	77.2	1.1	biotite	conventional K-Ar	SC-69-44	"4.72E-04, 0.584E-04, 1.19E-04*"	7.86	8.926	8262			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2991	1	69.99	1	biotite	conventional K-Ar	SC-69-46	"4.72E-04, 0.584E-04, 1.19E-04*"	8.8	9.042	8287			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2992	1	65.21	1	biotite	conventional K-Ar	SC-69-47	"4.72E-04, 0.584E-04, 1.19E-04*"	8.6	8.221	8682			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2992	2	68.16	10	hornblende	conventional K-Ar	SC-69-47	"4.72E-04, 0.584E-04, 1.19E-04*"	2.24	2.24	6363			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2993	1	73.01	1	biotite	conventional K-Ar	SC-69-48	"4.72E-04, 0.584E-04, 1.19E-04*"	7.525	8.072	7667			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2993	2	75.42	1.5	hornblende	conventional K-Ar	SC-69-48	"4.72E-04, 0.584E-04, 1.19E-04*"	2.04	2.262	71			minimum age of intrusion		POTASSIUM VALUE IS AVERAGE OF FOUR ANALYSES	
2994	1	24.9	0.5	biotite	conventional K-Ar	SC-69-49	"4.72E-04, 0.584E-04, 1.19E-04*"	7.32	2.642	52			initial age disturbed by later metamorphism			
2994	2	30.67	0.6	muscovite	conventional K-Ar	SC-69-49	"4.72E-04, 0.584E-04, 1.19E-04*"	7.935	3.534	48			initial age disturbed by later metamorphism			
2995	1	37.74	1.2	hornblende	conventional K-Ar	SC-69-51	"4.72E-04, 0.584E-04, 1.19E-04*"	0.703	0.386	2414			initial age disturbed by later metamorphism		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2995	2	51.76	0.8	muscovite	conventional K-Ar	SC-69-51	"4.72E-04, 0.584E-04, 1.19E-04*"	7.13	5.39	4945			initial age disturbed by later metamorphism		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2996	1	59.49	0.8	muscovite	conventional K-Ar	SC-69-52	"4.72E-04, 0.584E-04, 1.19E-04*"	9.27	8.072	6950			minimum age of metamorphic crystallization		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2997	1	64.24	1.3	biotite	conventional K-Ar	SC-69-53	"4.72E-04, 0.584E-04, 1.19E-04*"	5.905	5.56	70			minimum age of intrusion			
2997	2	62.81	1.2	hornblende	conventional K-Ar	SC-69-53	"4.72E-04, 0.584E-04, 1.19E-04*"	1.44	1.325	76			minimum age of intrusion			
2998	1	55.43	0.8	biotite	conventional K-Ar	SC-69-55A	"4.72E-04, 0.584E-04, 1.19E-04*"	9.23	7.48	6551			minimum age of metamorphic crystallization		POTASSIUM AND ARGON VALUES ARE AVERAGES	
2998	2	22.07	0.5	biotite	conventional K-Ar	SC-69-55B	"4.72E-04, 0.584E-04, 1.19E-04*"	7.03	2.247	4721			age not evaluated	IMPURE BIOTITE CONCENTRATE	POTASSIUM AND ARGON VALUES ARE AVERAGES	
2999	1	54.24	0.8	biotite	conventional K-Ar	SC-69-56	"4.72E-04, 0.584E-04, 1.19E-04*"	8.48	6.722	6171			minimum age of metamorphic crystallization		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3000	1	57.72	0.8	biotite	conventional K-Ar	SC-69-57	"4.72E-04, 0.584E-04, 1.19E-04*"	8.465	7.148	6658			age not evaluated		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3001	1	65.03	1.3	biotite	conventional K-Ar	SC-69-59	"4.72E-04, 0.584E-04, 1.19E-04*"	7.47	7.121	83			minimum age of intrusion			
3002	1	65.98	1.3	biotite	conventional K-Ar	SC-69-60	"4.72E-04, 0.584E-04, 1.19E-04*"	8.32	8.049	78			minimum age of intrusion	-40+60 MESH		
3002	2	64.12	1.3	biotite	conventional K-Ar	SC-69-60	"4.72E-04, 0.584E-04, 1.19E-04*"	9.05	8.505	77			minimum age of intrusion	-60+100 MESH		
3003	1	95.15	1.9	biotite	conventional K-Ar	SC-69-62	"4.72E-04, 0.584E-04, 1.19E-04*"	8.36	11.76	69			minimum age of intrusion			"BISHOP, 1963, REPORTED K-AR DATE OF 98.5 M.Y. FROM NEARBY LOCATION"
3004	1	98.09	1.9	biotite	conventional K-Ar	SC-69-63	"4.72E-04, 0.584E-04, 1.19E-04*"	8	11.61	86			minimum age of intrusion			
3005	1	96	1.9	biotite	conventional K-Ar	SC-69-64	"4.72E-04, 0.584E-04, 1.19E-04*"	7.15	10.15	76			minimum age of intrusion			
3005	2	90.56	1.9	hornblende	conventional K-Ar	SC-69-64	"4.72E-04, 0.584E-04, 1.19E-04*"	1.32	1.765	2837			age not evaluated		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3006	1	65.64	1.3	biotite	conventional K-Ar	SC-69-65	"4.72E-04, 0.584E-04, 1.19E-04*"	7.7	7.411	82			minimum age of intrusion			
3006	2	67.26	0.9	muscovite	conventional K-Ar	SC-69-65	"4.72E-04, 0.584E-04, 1.19E-04*"	8.85	8.732	6086			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3007	1	63.82	1.2	biotite	conventional K-Ar	SC-69-66	"4.72E-04, 0.584E-04, 1.19E-04*"	8.65	8.09	75			"minimum age of intrusion, initial age disturbed by later metamorphism"			
3007	2	66.89	0.9	muscovite	conventional K-Ar	SC-69-66	"4.72E-04, 0.584E-04, 1.19E-04*"	9.34	9.163	6961			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3008	1	70.83	1	biotite	conventional K-Ar	SC-69-67	"4.72E-04, 0.584E-04, 1.19E-04*"	8.1	8.424	8077			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3009	1	54.88	1.5	biotite	conventional K-Ar	SC-69-68	"4.72E-04, 0.584E-04, 1.19E-04*"	6.36	5.102	2332			initial age disturbed by later metamorphism		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3009	2	68.83	1	muscovite	conventional K-Ar	SC-69-68	"4.72E-04, 0.584E-04, 1.19E-04*"	9.92	10.02	7878			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3010	1	68.58	0.9	biotite	conventional K-Ar	SC-69-69	"4.72E-04, 0.584E-04, 1.19E-04*"	5.86	5.897	6385			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3010	2	68.57	0.9	muscovite	conventional K-Ar	SC-69-69	"4.72E-04, 0.584E-04, 1.19E-04*"	9.09	9.147	6261			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3011	1	145.05	3	biotite	conventional K-Ar	SC-69-70	"4.72E-04, 0.584E-04, 1.19E-04*"	6.19	13.46	79			initial age disturbed by later metamorphism			"BISHOP, 1963, REPORTS A U-PB AGE OF 165 M.Y. FOR THIS PLUTON"
3012	1	157.76	2	biotite	conventional K-Ar	SC-69-71	"4.72E-04, 0.584E-04, 1.19E-04*"	7.12	16.9	8580			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	"BISHOP, 1963, REPORTS A U-PB AGE OF 165 M.Y. FOR THIS PLUTON"
3013	1	70.46	1.4	biotite	conventional K-Ar	SC-69-73	"4.72E-04, 0.584E-04, 1.19E-04*"	8.29	8.576	87			minimum age of intrusion			
3014	1	71.95	1	biotite	conventional K-Ar	SC-69-75	"4.72E-04, 0.584E-04, 1.19E-04*"	7.46	7.884	8070			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3015	1	150.95	2	biotite	conventional K-Ar	SC-69-77	"4.72E-04, 0.584E-04, 1.19E-04*"	5.66	12.83	8270			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3016	1	73.58	1.4	biotite	conventional K-Ar	SC-69-78A	"4.72E-04, 0.584E-04, 1.19E-04*"	5.443	5.885	71			minimum age of intrusion	IMPURE BIOTITE CONCENTRATE		
3016	2	70.82	1.4	biotite	conventional K-Ar	SC-69-78B	"4.72E-04, 0.584E-04, 1.19E-04*"	8.77	9.12	81			minimum age of intrusion			
3017	1	137.93	2	biotite	conventional K-Ar	SC-69-79	"4.72E-04, 0.584E-04, 1.19E-04*"	8.16	16.84	8585			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	"HEWITT AND GLASS, 1953, REPORT A U-PB AGE OF 160 M.Y. FOR NEARBY PEGMATITE."
3018	1	138.66	2	biotite	conventional K-Ar	SC-69-80	"4.72E-04, 0.584E-04, 1.19E-04*"	8.93	18.53	8871			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	PB-ALPHA DATE OF 115+/-10 M.Y. ON SAME UNIT 5 KM TO NW
3019	1	19.37	0.3	biotite	conventional K-Ar	SC-69-81	"4.72E-04, 0.584E-04, 1.19E-04*"	8.15	2.285	5046			initial age disturbed by later metamorphism		POTASSIUM AND ARGON VALUES ARE AVERAGES	AGE MAY HAVE BEEN LOWERED BY NEARBY FELSIC DIKES
3020	1	145.65	2	biotite	conventional K-Ar	SC-69-87	"4.72E-04, 0.584E-04, 1.19E-04*"	8.16	17.82	7492			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3021	1	207.89	4	biotite	conventional K-Ar	SC-69-89A	"4.72E-04, 0.584E-04, 1.19E-04*"	3.6	11.42	58			minimum age of intrusion	IMPURE BIOTITE CONCENTRATE	POTASSIUM VALUE IS AVERAGE OF FOUR ANALYSES	
3021	2	208.08	4	biotite	conventional K-Ar	SC-69-89B	"4.72E-04, 0.584E-04, 1.19E-04*"	6.39	20.29	90			minimum age of intrusion			
3021	3	218	3	hornblende	conventional K-Ar	SC-69-89C	"4.72E-04, 0.584E-04, 1.19E-04"		0.596	6461			age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3022	1	62.8	0.9	biotite	conventional K-Ar	SC-69-153	"4.72E-04, 0.584E-04, 1.19E-04*"	9.2	8.464	8077			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3023	1	76.63	1.5	biotite	conventional K-Ar	SC-69-154	"4.72E-04, 0.584E-04, 1.19E-04*"	8.935	10.07	84			"minimum age of intrusion, may denote delayed cooling"			
3024	1	78.85	1.5	biotite	conventional K-Ar	SC-69-155	"4.72E-04, 0.584E-04, 1.19E-04*"	8.85	10.27	81			initial age disturbed by later metamorphism			
3024	2	90.23	1.4	hornblende	conventional K-Ar	SC-69-155	"4.72E-04, 0.584E-04, 1.19E-04*"	0.825	1.099	5266			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3025	1	77.34	1.5	biotite	conventional K-Ar	SC-69-156	"4.72E-04, 0.584E-04, 1.19E-04*"	8.53	9.705	73			initial age disturbed by later metamorphism			
3026	1	80.44	1.6	biotite	conventional K-Ar	SC-69-157	"4.72E-04, 0.584E-04, 1.19E-04*"	8.95	10.6	83			minimum age of intrusion			
3027	1	77.36	1.1	biotite	conventional K-Ar	SC-69-158	"4.72E-04, 0.584E-04, 1.19E-04*"	9.13	10.39	7471			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3028	1	72.7	1	biotite	conventional K-Ar	SC-69-159	"4.72E-04, 0.584E-04, 1.19E-04*"	8.74	9.335	7778			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3028	2	72.19	2	hornblende	conventional K-Ar	SC-69-159	"4.72E-04, 0.584E-04, 1.19E-04*"	0.828	0.878	2226			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3029	1	91.1	1.3	biotite	conventional K-Ar	SC-69-161	"4.72E-04, 0.584E-04, 1.19E-04*"	8.63	11.61	8685			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3030	1	73.13	1	biotite	conventional K-Ar	SC-69-162	"4.72E-04, 0.584E-04, 1.19E-04*"	8.81	9.466	82			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3031	1	76.73	1.5	biotite	conventional K-Ar	SC-69-163	"4.72E-04, 0.584E-04, 1.19E-04*"	8.41	9.491	84			initial age disturbed by later metamorphism	+40-60 MESH	POTASSIUM VALUE IS AVERAGE OF THREE ANALYSES	
3031	2	75.88	1.5	biotite	conventional K-Ar	SC-69-163	"4.72E-04, 0.584E-04, 1.19E-04*"	7.435	8.295	78			initial age disturbed by later metamorphism	-60+100 MESH		
3031	3	93.09	1.3	muscovite	conventional K-Ar	SC-69-163	"4.72E-04, 0.584E-04, 1.19E-04*"	10.15	13.96	7679			minimum age of intrusion		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3032	1	59.56	0.9	muscovite	conventional K-Ar	YAG 757	"4.72E-04, 0.584E-04, 1.19E-04*"	10.71	9.337	8982			age not evaluated		POTASSIUM AND ARGON VALUES ARE AVERAGES	
3033	1	140.63	3	biotite	conventional K-Ar	YAG 758	"4.72E-04, 0.584E-04, 1.19E-04*"	8.52	17.94	89			minimum age of intrusion	6% CHLORITE		
3034	1	148.23	3	biotite	conventional K-Ar	YAG 760	"4.72E-04, 0.584E-04, 1.19E-04*"	7.36	16.37	92			minimum age of intrusion	"6% CHLORITE, 5% HORNBLENDE"		
3035	1	83.51	1.6	biotite	conventional K-Ar	YAG 762	"4.72E-04, 0.584E-04, 1.19E-04*"	8.63	10.62	84			"minimum age of intrusion, initial age disturbed by later metamorphism"	5% CHLORITE		
3036	1	143.91	3	biotite - hornblende	conventional K-Ar	YAG 88	"4.72E-04, 0.584E-04, 1.19E-04*"	3.31	7.139	82			minimum age of intrusion	10% CHLORITE PRESENT		
3037	1	146.14	3	biotite	conventional K-Ar	YAG 178	"4.72E-04, 0.584E-04, 1.19E-04*"	7.52	16.48	92			minimum age of intrusion	7% CHLORITE PRESENT	POTASSIUM AND ARGON VALUES ARE AVERAGES	
3038	1	168.66	6	hornblende	conventional K-Ar	HQM-3	"4.905E-04, 0.575E-04, 1.18E-04*"	0.475	1.209	72			age of intrusion			
3038	2	166.02	6	biotite	conventional K-Ar	HQM-3	"4.905E-04, 0.575E-04, 1.18E-04*"	8.12	20.33	81			minimum age of intrusion			
3039	1	165.21	5	hornblende	conventional K-Ar	JMP-4	"4.905E-04, 0.575E-04, 1.18E-04*"	1.2	2.989	86			age of intrusion			
3039	2	131.76	5	biotite	conventional K-Ar	JMP-4	"4.905E-04, 0.575E-04, 1.18E-04*"	8.44	16.61	86						INITIAL AGE DISTURBED BY YOUNGER PLUTONS
3040	1	139.96	6	biotite	conventional K-Ar	GRB-1	"4.905E-04, 0.575E-04, 1.18E-04*"	8.3	17.39	88			age of intrusion			
3041	1	138.67	5	hornblende	conventional K-Ar	ASM-5	"4.905E-04, 0.575E-04, 1.18E-04*"	1.05	2.179	76			age of intrusion			
3041	2	108.09	4	biotite	conventional K-Ar	ASM-5	"4.905E-04, 0.575E-04, 1.18E-04*"	8.05	12.91	82						AGE MAY BE RELATED TO YOUNGER ALTERATION
3042	1	95.9	3.3	biotite	conventional K-Ar	02313B	"4.72E-04, 0.585E-04, 1.19E-04"		12.83	94			age of intrusion			
3043	1	49.9	1.7	biotite	conventional K-Ar	D2314B	"4.72E-04, 0.585E-04, 1.19E-04"		5.557	94			age of volcanism			
3044	1	92.9	3.3	muscovite	conventional K-Ar	D2340M	"4.72E-04, 0.585E-04, 1.19E-04"		7.616	91				X-RAY DIFFRACTOGRAM SHOWED ONLY MINOR QUARTZ PRESENT IN THE SERICITE	"SODIUM OXIDE CONTENT IS 0.88%, 0.83%"	PROBABLE AGE OF MINERALIZATION
3045	1	1.96	0.06	whole rock	conventional K-Ar	BASALT 75-5-19-3	"4.72E-04, 0.584E-04, 1.19E-04"	3.2		19			age of volcanism	LATITE WHOLE-ROCK	NO ARGON VALUE GIVEN	
3046	1	2.6	0.4	whole rock	conventional K-Ar	BASALT 74-11-12-1	"4.72E-04, 0.585E-04, 1.19E-04"	0.98		14			age of volcanism		NO ARGON VALUE GIVEN	
3047	1	2.78	0.44	whole rock	conventional K-Ar	BASALT 72S6	"4.72E-04, 0.584E-04, 1.19E-04"	0.42		7			age of volcanism		NO ARGON VALUE GIVEN	
3048	1	5.11	0.84	whole rock	conventional K-Ar	BASALT 72S9	"4.72E-04, 0.584E-04, 1.19E-04"	2.03		24			age of volcanism		NO ARGON VALUE GIVEN	
3049	1	0.14	0.04	whole rock	conventional K-Ar	UAKA-75-81	"4.905E-04, 0.575E-04, 1.18E-04*"	0.946	0.002	5			age of volcanism		ARGON VALUE IS AVERAGE OF DUPLICATE RUNS.	
3050	1	2.8	0.12	whole rock	conventional K-Ar	UAKA-75-82	"4.905E-04, 0.575E-04, 1.18E-04*"	1.03	0.0416	25			age of volcanism		ARGON VALUE IS AVERAGE OF DUPLICATE RUNS	
3136	1	31.95	0.9	muscovite	conventional K-Ar	RM-1-66	"4.76E-04, 0.589E-04, 1.18E-04*"	10.6	4.92	85			"age meaning uncertain (geologic factors), initial age disturbed by later metamorphism"	COARSE-GRAINED		
3137	1	2.59	0.09	whole rock	conventional K-Ar	UAKA-75-83	"4.905E-04, 0.575E-04, 1.18E-04*"	0.617	0.023	36			age of volcanism		ARGON VALUE IS AVERAGE OF DUPLICATE RUNS	
3157	1	37		biotite	conventional K-Ar	(NOT GIVEN)	no decay constants given						age of volcanism		NO ANALYTICAL DATA GIVEN	THIS AGE MAY BE THE SAME AS QUOTED BY E.F. COOK (1960) (GUIDEBOOK OF EASTERN NEVADA).
3158	1			biotite	conventional K-Ar	(NOT GIVEN)	no decay constants given						maximum age of volcanism		NO ANALYTICAL DATA GIVEN	THIS AGE REPORTED AS 23 M.Y. IN SCHILLING (1965)
3159	1	34		Unk	conventional K-Ar	(NOT GIVEN)	no decay constants given						age of volcanism		NO ANALYTICAL DATA GIVEN	
3171	1	23		Unk	conventional K-Ar	(NOT GIVEN)	no decay constants given						age of intrusion		NO ANALYTICAL DATA GIVEN	THIS ANALYSIS MADE IN 1962
3172	1	27		Unk	conventional K-Ar	(NOT GIVEN)	no decay constants given						age of intrusion		NO ANALYTICAL DATA GIVEN	THIS ANALYSIS MADE IN 1962
3173	1	1439.57		biotite	conventional K-Ar	YAG-31	"4.72E-04, 0.585E-04, 1.19E-04*"	8.64	274	94			age of metamorphic crystallization	PURE CONCENTRATE	"7.20, 7.14% K; ANALYTICAL ERROR IS +200 AND -70 M.Y."	
3173	2	1300.41		biotite	conventional K-Ar	YAG-31	"4.72E-04, 0.585E-04, 1.19E-04*"	8.64	237	98			age of metamorphic crystallization		"7.20, 7.14% K; ANALYTICAL ERROR IS +200 AND -70 M.Y."	
3174	1	64.47		muscovite	conventional K-Ar	YAG-187	"4.72E-04, 0.585E-04, 1.19E-04*"	9.63	9.1	75			minimum age of intrusion	ALMOST PURE	"8.01, 7.97% K; ANALYTICAL ERROR IS +10 AND -3 M.Y."	A PB-ALPHA AGE OF 225 M.Y. REPORTED BY ADAIR AND STRINGHAM (1960)
3178	1	39.9		biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
3179	1	16.8	0.5	sanidine	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
3180	1	85.85	3.5	biotite	conventional K-Ar	AD-7	"4.72E-04, 0.585E-04, 1.19E-04*"	8.69	11	75			age of intrusion	FRESH	REPLICATE POTASSIUM ANALYSES	
3181	1	90.14	1	biotite	conventional K-Ar	AD-4	"4.72E-04, 0.585E-04, 1.19E-04*"	7.74	10.3	67			age of intrusion	FRESH	REPLICATE ANALYSES OF POTASSIUM AND ARGON	
3182	1	32.33	3	biotite	conventional K-Ar	AD-2	"4.72E-04, 0.585E-04, 1.19E-04*"	3.3	1.55	7783			minimum age of intrusion	PARTIALLY ALTERED TO CHLORITE	REPLICATE ANALYSES OF POTASSIUM AND ARGON	
3183	1	67.35	4	biotite	conventional K-Ar	AD-6	"4.72E-04, 0.585E-04, 1.19E-04*"	6.68	6.6	947			minimum age of intrusion	SLIGHTLY ALTERED	REPLICATE ANALYSES OF POTASSIUM AND ARGON	
3184	1	77.92	2	biotite	conventional K-Ar	AD-3	"4.72E-04, 0.585E-04, 1.19E-04*"	3.21	3.68	6162			age of intrusion	FRESH	REPLICATE ANALYSES OF POTASSIUM AND ARGON	
3185	1	81.7	2	biotite	conventional K-Ar	AD-1	"4.72E-04, 0.585E-04, 1.19E-04*"	6.59	7.93	5056			age of intrusion	FRESH	REPLICATE ANALYSES OF POTASSIUM AND ARGON	
3186	1	12	2	biotite	conventional K-Ar	19	"4.72E-04, 0.583E-04"						minimum age of intrusion		NO ANALYTICAL DATA GIVEN; ANALYTICAL ERROR LISTED AS 20 M.Y.--THIS SHOULD PROBABLY BE 2.0 M.Y.--COMPILER	
3188	1	70.54	1.8	biotite	conventional K-Ar	58(AD-8)	"4.72E-04, 0.585E-04, 1.19E-04*"	6.74	6.98	54			age of intrusion			
3189	1	152.45	3	biotite	conventional K-Ar	67	"4.72E-04, 0.585E-04, 1.19E-04*"	7.03	16.1	86			age of intrusion	"GREATER THAN 50 MESH, TITANOBIOTITE"		
3190	1	123	12	orthoclase	conventional K-Ar	77	"4.72E-04, 0.583E-04"						age of intrusion		NO ANALYTICAL DATA GIVEN	
3191	1	41	5	Unk	conventional K-Ar	79	"4.72E-04, 0.583E-04"								NO ANALYTICAL DATA GIVEN	A RECONNAISSANCE AGE; LITTLE INFORMATION GIVEN ABOUT THE SAMPLE
3192	1	90.4	1	biotite	conventional K-Ar	90	"4.72E-04, 0.583E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
3193	1	35.2	1	biotite	conventional K-Ar	93	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism	"-40+80 MESH, OVER 95% PURE"	NO ANALYTICAL DATA GIVEN	"THIS AGE CITED BY AXELROD (1964) AS ""ABOUT 36 M.Y. "" ON PAGE 77."
3194	1	39	1	biotite	conventional K-Ar	94A	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism	-20+80 MESH	NO ANALYTICAL DATA GIVEN	
3194	2	40	1	sanidine	conventional K-Ar	94B	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism	-20+80 MESH	NO ANALYTICAL DATA GIVEN	
3195	1	28.13	2	biotite	conventional K-Ar	1-SW193	"4.72E-04, 0.584E-04, 1.19E-04*"	8.33	3.4	69			age of intrusion	99% BIOTITE; +80 MESH GRAIN SIZE	REPLICATE ANALYSES; ANALYTICAL DATA NOT PUBLISHED	
3196	1	151		biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"						age of intrusion		NO ANALYTICAL DATA GIVEN	
3197	1	32.26		biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.56	4.48	59		McKee and others (1971)	age of volcanism			"ANALYTICAL DATA FROM MCKEE AND OTHERS, 1971, ISOCHRON/WEST, P. 41, NO. 143"
3198	1	37.72		biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	8	4.39	69		McKee and others (1971)	age of volcanism			"ANALYTICAL DATA OBTAINED FROM MCKEE AND OTHERS, 1971, P. 41, NO. 144"
3199	1	1384.46	140	muscovite	conventional K-Ar	(NOT GIVEN)	no decay constants given*	8.94	268				minimum age of intrusion		ANALYTICAL DATA NOT PUBLISHED	
3200	1	13.6	0.5	whole rock	conventional K-Ar	PED-10-65	"4.76E-04, 0.589E-04, 1.21E-04*"	2.2	0.431	70			age of volcanism			
3201	1	32.26	3	biotite	conventional K-Ar	63W192	"4.72E-04, 0.585E-04, 1.19E-04*"	7.32	3.43	82			age of intrusion			
3202	1	37.1	4	biotite	conventional K-Ar	63W193	"4.72E-04, 0.585E-04, 1.19E-04*"	7.93	4.28	81			age of intrusion			
3203	1	29.63	3	biotite	conventional K-Ar	63W194	"4.72E-04, 0.585E-04, 1.19E-04*"	8.72	3.75	72			age of intrusion			
3204	1	31.59	3	biotite	conventional K-Ar	63W195	"4.72E-04, 0.585E-04, 1.19E-04*"	9.22	4.23	78			age of intrusion			
3208	1	39.16	4	biotite	conventional K-Ar	60D414	"4.72E-04, 0.585E-04, 1.19E-04*"	9.08	5.175	85			age of volcanism		"ANALYTICAL DATA IS FROM MCKEE AND MARVIN, 1976."	
3209	1	37.21	4	biotite	conventional K-Ar	59D320	"4.72E-04, 0.585E-04, 1.19E-04*"	5.45	2.95	86			age of volcanism		"ANALYTICAL DATA TAKEN FROM MCKEE AND MARVIN, 1976."	
3211	1	13.41	0.5	glass	conventional K-Ar	D-1053G	"4.72E-04, 0.585E-04, 1.19E-04*"	4.66	0.9029	93			age of volcanism	NONHYDRATED GLASS		
3212	1	14.13	0.5	glass	conventional K-Ar	D-1048G	"4.72E-04, 0.585E-04, 1.19E-04*"	4.54	0.9272	69			age of volcanism	NONHYDRATED GLASS		
3213	1	15.17	0.6	sanidine	conventional K-Ar	D-1051S	"4.72E-04, 0.585E-04, 1.19E-04*"	7.87	1.726	95			age of volcanism			
3214	1	14.36	0.6	sanidine	conventional K-Ar	D-1052S	"4.72E-04, 0.584E-04, 1.19E-04*"	6.93	1.438	89			age of volcanism			
3215	1	19.5	0.6	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04"						age of intrusion		NO ANALYTICAL DATA GIVEN	
3216	1	50.6	1.5	muscovite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04"						age of intrusion		NO ANALYTICAL DATA GIVEN	
3217	1	42.1	1.3	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04"						age of intrusion		NO ANALYTICAL DATA GIVEN	
3218	1	83	4	muscovite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"						minimum age of intrusion		NO ANALYTICAL DATA GIVEN	
3219	1	6.2	0.2	sanidine	conventional K-Ar	N80A-S	"4.72E-04, 0.584E-04, 1.19E-04"	6.19		77			age of volcanism			
3220	1	7.5	0.2	sanidine	conventional K-Ar	AGE 11-S	"4.72E-04, 0.584E-04, 1.19E-04"	6.61		75			age of volcanism			"AGE (ONLY THE AGE) ALSO PUBLISHED BY NOBLE, ANDERSON, AND O'CONNOR, 1964, U.S. GEOL. SURVEY PROF. PAPER 475-D, P. D25"
3221	1	9.4	2	biotite	conventional K-Ar	AGE 19-B	"4.72E-04, 0.584E-04, 1.19E-04"	8.15		11			age of volcanism			
3221	2	9.6	0.3	sanidine	conventional K-Ar	AGE 19-S	"4.72E-04, 0.584E-04, 1.19E-04"	6.21		85			age of volcanism			
3222	1	10.9	0.4	biotite	conventional K-Ar	AGE 17-B	"4.72E-04, 0.584E-04, 1.19E-04"	8.02		64			age of volcanism			
3223	1	10.8	0.3	sanidine	conventional K-Ar	AGE 16-S	"4.72E-04, 0.584E-04, 1.19E-04"	5.9		70			age of volcanism	-80+100 MESH		
3223	2	10.8	0.5	sanidine	conventional K-Ar	AGE 16-S	"4.72E-04, 0.584E-04, 1.19E-04"	7.18		40			age of volcanism	-60+80 MESH		
3224	1	11.2	0.5	biotite	conventional K-Ar	AGE 12-B	"4.72E-04, 0.584E-04, 1.19E-04"	7.56		43			age of volcanism			
3225	1	11.4	0.5	biotite	conventional K-Ar	AGE 20-B	"4.72E-04, 0.584E-04, 1.19E-04"	7.93		43			age of volcanism			
3226	1	12.1	0.5	biotite	conventional K-Ar	AGE 5-B	"4.72E-04, 0.584E-04, 1.19E-04"	7.43		56			age of volcanism		6.19% AND 6.15% K	
3227	1	11	0.4	biotite	conventional K-Ar	AGE 18-B	"4.72E-04, 0.584E-04, 1.19E-04"	7.77		57			age of volcanism			
3227	2	11.2	0.3	sanidine	conventional K-Ar	AGE 18-S	"4.72E-04, 0.584E-04, 1.19E-04"	6.84		78			age of volcanism			
3228	1	10.5	0.3	sanidine	conventional K-Ar	WJC 138-S	"4.72E-04, 0.584E-04, 1.19E-04"	6.71		71			age of volcanism			
3229	1	10.8	0.5	biotite	conventional K-Ar	AGE 7-B	"4.72E-04, 0.584E-04, 1.19E-04"	7.6		45			age of volcanism			
3229	2	10.9	0.5	biotite	conventional K-Ar	AGE 7-B	"4.72E-04, 0.584E-04, 1.19E-04"	7.6		44			age of volcanism			"AGE (ONLY THE AGE) ALSO PUBLISHED BY LUFT, 1964, U.S. GEOL. SURVEY PROF. PAPER 501-D, P. D15"
3229	3	10.6	0.3	sanidine	conventional K-Ar	AGE 7-S	"4.72E-04, 0.584E-04, 1.19E-04"	6.41		66			age of volcanism			
3229	4	10.9	0.4	sanidine	conventional K-Ar	AGE 7-S	"4.72E-04, 0.584E-04, 1.19E-04"	6.41		68			age of volcanism			"AGE (ONLY THE AGE) ALSO PUBLISHED BY LUFT, 1964, U.S. GEOL. SURVEY PROF. PAPER 501-D, P. D15"
3230	1	11.1	0.3	sanidine	conventional K-Ar	AGE 22-S	"4.72E-04, 0.584E-04, 1.19E-04"	7.19		75			age of volcanism			
3231	1	11.7	0.4	biotite	conventional K-Ar	AGE 23-B	"4.72E-04, 0.584E-04, 1.19E-04"	7.6		51			age of volcanism			
3231	2	11.1	0.3	sanidine	conventional K-Ar	AGE 23-S	"4.72E-04, 0.584E-04, 1.19E-04"	5.86		70			age of volcanism	-100+115 MESH		
3231	3	11.4	0.4	sanidine	conventional K-Ar	AGE 23-S	"4.72E-04, 0.584E-04, 1.19E-04"	6.01		74			age of volcanism	-80+100 MESH		
3232	1	10.4	0.3	sanidine	conventional K-Ar	AGE 15-S	"4.72E-04, 0.584E-04, 1.19E-04"	9.12		91			age of volcanism			
3233	1	11.3	0.4	biotite	conventional K-Ar	MC-336-B	"4.72E-04, 0.584E-04, 1.19E-04"	8.81		64			age of volcanism			
3234	1	12.4	0.5	biotite	conventional K-Ar	AGE 4-B	"4.72E-04, 0.584E-04, 1.19E-04"	7.64		55			age of volcanism			
3235	1	12.4	0.4	biotite	conventional K-Ar	BC-308-B	"4.72E-04, 0.584E-04, 1.19E-04"	8.15		64			age of volcanism			
3236	1	13.2	0.4	biotite	conventional K-Ar	AGE 2A-B	"4.72E-04, 0.584E-04, 1.19E-04"	7.62		65			age of volcanism			"AGE (ONLY THE AGE) ALSO PUBLISHED BY LIPMAN, CHRISTIANSEN, AND O'CONNOR, 1966, U.S. GEOL. SURVEY PROF. PAPER 524-F, P. F3"
3237	1	12.5	0.4	biotite	conventional K-Ar	AGE 9-B	"4.72E-04, 0.584E-04, 1.19E-04"	5.21		63			age of volcanism			
3238	1	12.9	0.4	biotite	conventional K-Ar	AGE 8-B	"4.72E-04, 0.584E-04, 1.19E-04"	7.65		69			age of volcanism			
3239	1	13.4	0.4	biotite	conventional K-Ar	AGE 3-B	"4.72E-04, 0.584E-04, 1.19E-04"	7.64		68			age of volcanism			
3240	1	13.6	0.4	sanidine	conventional K-Ar	AGE 13-S	"4.72E-04, 0.584E-04, 1.19E-04"	9.15		77			age of volcanism			
3241	1	16.1	0.4	biotite	conventional K-Ar	AGE 6-B	"4.72E-04, 0.584E-04, 1.19E-04"	8.09		76			age of volcanism			
3242	1	15	0.6	biotite	conventional K-Ar	AGE 24-B	"4.72E-04, 0.584E-04, 1.19E-04"	6.76		50			age of volcanism			
3243	1	17.8	0.5	biotite	conventional K-Ar	AGE 25-B	"4.72E-04, 0.584E-04, 1.19E-04"	8.58		88			age of volcanism			
3244	1	21.1	0.6	biotite	conventional K-Ar	438-6-B	"4.72E-04, 0.584E-04, 1.19E-04"	8.15		71			age of volcanism			
3244	2	21.9	0.4	sanidine	conventional K-Ar	438-6-S	"4.72E-04, 0.584E-04, 1.19E-04"	10.6		95			age of volcanism			
3245	1	25.3	0.7	biotite	conventional K-Ar	163-3-B	"4.72E-04, 0.584E-04, 1.19E-04"	8.24		75			age of volcanism			
3246	1	26.1	0.7	biotite	conventional K-Ar	AGE 26-B	"4.72E-04, 0.584E-04, 1.19E-04"	8.6		85			age of volcanism			
3247	1	124.23	5	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	4.38	8.11	7886			age of intrusion		REPLICATE ANALYSES OF POTASSIUM AND ARGON	
3248	1	11.2	1.1	whole rock	conventional K-Ar	PED-5-66	"4.78E-04, 0.588E-04, 1.21E-04*"	8.93	1.44	19			age of intrusion			
3249	1	28.5		biotite	conventional K-Ar	(NOT GIVEN)	no decay constants given						age of volcanism		NO ANALYTICAL DATA GIVEN	
3250	1	27		biotite	conventional K-Ar	(NOT GIVEN)	no decay constants given						age of volcanism		NO ANALYTICAL DATA GIVEN	
3251	1	12.2	0.8	sanidine	conventional K-Ar	62NC51	"4.72E-04, 0.584E-04, 1.19E-04"	5.26		31			age of volcanism		AR40/K40 = 7.13 E-4	
3252	1	11.6	0.5	sanidine	conventional K-Ar	61NC119	"4.72E-04, 0.584E-04, 1.19E-04"	8.95		78			age of volcanism		AR40/K40 = 6.79 E-4	
3253	1	31.66	1.6	biotite	conventional K-Ar	60-W-71	"4.76E-04, 0.589E-04, 1.18E-04*"	6.96	3.2	62			age of volcanism		"UNPUBLISHED ANALYTICAL DATA FROM R.F. MARVIN, USGS"	UNPUBLISHED PB-ALPHA AGE OF 50+/-15 M.Y. WAS MADE ON ZIRCONS FROM THIS SAMPLE.  THE AGE IS TOO OLD.
3254	1	34		Unk	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
3255	1	34		Unk	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
3256	1	155.36	0.05	whole rock	conventional K-Ar	KA 1209	no decay constants given*	0.905	2.114	23			age of volcanism			"THE ANALYTICAL DATA TAKEN FROM MCKEE AND MARVIN, 1974"
3257	1	165	5	hornblende	conventional K-Ar	(NOT GIVEN)	no decay constants given	0.47		42			age of intrusion	32-80 MESH; 2% ACTINOLITE CONTAMINANT	"UNPUBLISHED ANALYTICAL DATA FROM FILES OF J.H. SCHILLING, NEVADA BUREAU OF MINES"	
3257	2	145	5	biotite	conventional K-Ar	(NOT GIVEN)	no decay constants given	5.15		72			minimum age of intrusion	"32-80 MESH, 1% CHLORITE CONTAMINANT"	"UNPUBLISHED ANALYTICAL DATA FROM THE FILES OF J.H. SCHILLING, NEVADA BUREAU OF MINES"	
3258	1	150		biotite	conventional K-Ar	(NOT GIVEN)	no decay constants given						age of intrusion		NO ANALYTICAL DATA GIVEN	
3259	1	22.73	0.9	sanidine	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04*"	8.17	2.69	67			age of volcanism			
3260	1	23.36	0.9	sanidine	conventional K-Ar	2	"4.72E-04, 0.585E-04, 1.19E-04*"	7.77	2.63	54			age of volcanism			
3261	1	24.32	1	sanidine	conventional K-Ar	3	"4.72E-04, 0.585E-04, 1.19E-04*"	10.47	3.69	84			age of volcanism			
3262	1	25.06	1	sanidine	conventional K-Ar	4	"4.72E-04, 0.585E-04, 1.19E-04*"	11.7	4.25	87			age of volcanism			
3263	1	25.74	1	sanidine	conventional K-Ar	5	"4.72E-04, 0.585E-04, 1.19E-04*"	11.36	4.24	81			age of volcanism			
3264	1	31.38	1.2	biotite	conventional K-Ar	6	"4.72E-04, 0.585E-04, 1.19E-04*"	7.68	3.5	71			age of volcanism			
3265	1	89.33	2.6	biotite	conventional K-Ar	AD-9	"4.72E-04, 0.585E-04, 1.19E-04*"	8.95	11.8				age of intrusion		REPLICATE ANALYSES OF POTASSIUM AND TRIPLICATE ANALYSES OF ARGON	
3266	1	32.3	1.2	biotite	conventional K-Ar	AD-10	"4.72E-04, 0.585E-04, 1.19E-04*"	8.46	3.97	5661			age of volcanism		REPLICATE ANALYSES OF POTASSIUM AND ARGON	
3267	1	13.26	0.8	plagioclase	conventional K-Ar	AD-12	"4.72E-04, 0.585E-04, 1.19E-04*"	0.741	0.142	4555			age of volcanism		REPLICATE ANALYSES OF POTASSIUM AND ARGON	
3268	1	13.02	0.6	adularia	conventional K-Ar	AD-14	"4.72E-04, 0.585E-04, 1.19E-04*"	2.19	0.412	2839				SOME QUARTZ PRESENT	REPLICATE ANALYSES OF POTASSIUM AND ARGON	APPARENT AGE OF MINERALIZATION
3269	1	14.71	1.5	whole rock	conventional K-Ar	AD-15	"4.72E-04, 0.585E-04, 1.19E-04*"	1.274	0.271	4946			age of volcanism		REPLICATE ANALYSES OF ARGON	
3270	1	15.5	2.4	plagioclase	conventional K-Ar	AD-16	"4.72E-04, 0.585E-04, 1.19E-04*"	0.345	0.0776	55			age of volcanism		REPLICATE ANALYSES OF POTASSIUM	
3271	1	71	3	biotite		(NOT GIVEN)	no decay constants given						age of intrusion		"NO ANALYTICAL DATA GIVEN.  THIS AGE IS REPORTED TO HAVE BEEN DETERMINED BY MARVIN, MEHNERT, AND MOUNTJOY, BUT MARVIN REPORTS HE HAS NO RECORD OF THIS AGE."	
3272	1	79.6	2	biotite		(NOT GIVEN)	no decay constants given						minimum age of intrusion		NO ANALYTICAL DATA GIVEN	
3273	1	76	2	biotite		(NOT GIVEN)	no decay constants given						age of intrusion		NO ANALYTICAL DATA GIVEN	
3274	1	15.55	0.5	glass	conventional K-Ar	NN-21B-NG	"4.72E-04, 0.585E-04, 1.19E-04*"	4.52	1.016	80			age of volcanism	NONHYDRATED		
3275	1	15.78	0.5	glass	conventional K-Ar	N-13A-NG	"4.72E-04, 0.585E-04, 1.19E-04*"	4.55	1.038	66			age of volcanism	NONHYDRATED		"RB-SR AGE OF 15 M.Y. OBTAINED FOR THIS SAMPLE BY NOBLE AND OTHERS, 1973"
3276	1	15.15	0.5	sanidine	conventional K-Ar	NR-11-S	"4.72E-04, 0.585E-04, 1.19E-04*"	7.54	1.651	13			age of volcanism			
3277	1	15.5	0.5	sanidine	conventional K-Ar	N-25-S	"4.72E-04, 0.585E-04, 1.19E-04*"	5.64	1.264	72			age of volcanism			
3278	1	16.06	0.5	sanidine	conventional K-Ar	N-42-S	"4.72E-04, 0.585E-04, 1.19E-04*"	6.88	1.598	53			age of volcanism			"RB-SR AGE OF 15.9 M.Y. OBTAINED FOR THIS SAMPLE BY NOBLE AND OTHERS, 1973"
3279	1	25.95	0.9	sanidine	conventional K-Ar	N9-150-S	"4.72E-04, 0.585E-04, 1.19E-04*"	5.84	2.198	60			age of volcanism			
3279	2	24.27	0.7	sanidine	conventional K-Ar	N9-150-S	"4.72E-04, 0.585E-04, 1.19E-04*"	5.84	2.054	54			age of volcanism			
3280	1	24.5	0.7	sanidine	conventional K-Ar	N-SL-C3-S	"4.72E-04, 0.585E-04, 1.19E-04*"	5.96	2.117	51			age of volcanism			"RB-SR AGE OF 24.5 M.Y. OBTAINED FOR THIS SAMPLE BY NOBLE AND OTHERS, 1973"
3281	1	24.79	1	sanidine	conventional K-Ar	18	"4.72E-04, 0.585E-04, 1.19E-04*"	8.18	2.94	94			age of volcanism			
3282	1	32.78	1.1	biotite	conventional K-Ar	11	"4.72E-04, 0.585E-04, 1.19E-04*"	8.23	3.92	48			age of volcanism			AVERAGE OF 5 ZIRCON AGES IS 34.1 M.Y.; AVERAGE OF 20 FISSION-TRACK AGES IS 34.9 M.Y. FOR CAETANO TUFF
3293	1	35.23		biotite	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04*"	8.24	4.22	80			age of intrusion		REPLICATE POTASSIUM ANALYSES	
3293	2	36.14		biotite	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04*"	8.24	4.33	81			age of intrusion		REPEAT AR ANALYSIS	
3293	3	35.57		sanidine	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04*"	11.6	6	97			age of intrusion		REPLICATE POTASSIUM ANALYSES	
3294	1	38.23		biotite	conventional K-Ar	2	"4.72E-04, 0.585E-04, 1.19E-04*"	8.79	4.89	78			age of intrusion		POTASSIUM VALUE IS AVERAGE OF 3 ANALYSES	
3294	2	38.08		biotite	conventional K-Ar	2	"4.72E-04, 0.585E-04, 1.19E-04*"	8.79	4.87	55			age of intrusion		REPEAT AR ANALYSIS	
3295	1	38.11		biotite	conventional K-Ar	3	"4.72E-04, 0.585E-04, 1.19E-04*"	7.99	4.43	81			age of intrusion		REPLICATE POTASSIUM ANALYSES	
3295	2	38.45		biotite	conventional K-Ar	3	"4.72E-04, 0.585E-04, 1.19E-04*"	7.99	4.47	83			age of intrusion		REPEAT AR ANALYSIS	
3295	3	38.92		hornblende	conventional K-Ar	3	"4.72E-04, 0.585E-04, 1.19E-04*"	1.077	0.61	71			age of intrusion		POTASSIUM VALUE IS AVERAGE OF 8 ANALYSES	
3296	1	35.97		biotite	conventional K-Ar	4	"4.72E-04, 0.585E-04, 1.19E-04*"	7.61	3.98	71			age of intrusion		REPLICATE POTASSIUM ANALYSES	
3297	1	39.23		biotite	conventional K-Ar	5	"4.72E-04, 0.585E-04, 1.19E-04*"	7.6	4.34	63			age of intrusion		POTASSIUM VALUE IS AVERAGE OF 4 ANALYSES	
3297	2	37.51		hornblende	conventional K-Ar	5	"4.72E-04, 0.585E-04, 1.19E-04*"	0.953	0.52	55			age of intrusion		POTASSIUM VALUE IS AVERAGE OF 4 ANALYSES	
3298	1	37.92		biotite	conventional K-Ar	6	"4.72E-04, 0.585E-04, 1.19E-04*"	7.25	4	38			age of intrusion		REPLICATE POTASSIUM ANALYSES	
3298	2	37		hornblende	conventional K-Ar	6	"4.72E-04, 0.585E-04, 1.19E-04*"	0.892	0.48	63			age of intrusion		POTASSIUM VALUE IS AVERAGE OF 4 ANALYSES	
3299	1	14.16		sanidine	conventional K-Ar	7	"4.72E-04, 0.585E-04, 1.19E-04*"	9.77	2	76			age of volcanism		REPLICATE POTASSIUM ANALYSES	
3300	1	14.25		sanidine	conventional K-Ar	8	"4.72E-04, 0.585E-04, 1.19E-04*"	10.1	2.08	74			age of volcanism		REPLICATE POTASSIUM ANALYSES	
3301	1	34.8		biotite	conventional K-Ar	9	"4.72E-04, 0.585E-04, 1.19E-04*"	8.4	4.26	79			age of volcanism		REPLICATE POTASSIUM ANALYSES	
3302	1	34.28		biotite	conventional K-Ar	10	"4.72E-04, 0.585E-04, 1.19E-04*"	8.65	4.31	64			age of volcanism		REPLICATE POTASSIUM ANALYSES	
3302	2	31.95		sanidine	conventional K-Ar	10	"4.72E-04, 0.585E-04, 1.19E-04*"	12.13	5.63	90			age of volcanism		REPLICATE POTASSIUM ANALYSES	
3303	1	32.07		biotite	conventional K-Ar	11	"4.72E-04, 0.585E-04, 1.19E-04*"	8.35	3.89	74			age of volcanism		REPLICATE POTASSIUM ANALYSES	
3303	2	31.68		sanidine	conventional K-Ar	11	"4.72E-04, 0.585E-04, 1.19E-04*"	11.78	5.42	72			age of volcanism		REPLICATE POTASSIUM ANALYSES	
3304	1	34.32		biotite	conventional K-Ar	12	"4.72E-04, 0.585E-04, 1.19E-04*"	8.38	4.18	86			age of volcanism		REPLICATE POTASSIUM ANALYSES	"AGE ALSO LISTED IN USGS MAP GQ-730 BY STEWART AND MCKEE, 1968"
3305	1	25.12		sanidine	conventional K-Ar	13	"4.72E-04, 0.585E-04, 1.19E-04*"	8.95	3.26	77			age of volcanism		REPLICATE POTASSIUM ANALYSES	
3306	1	24.14		sanidine	conventional K-Ar	14	"4.72E-04, 0.585E-04, 1.19E-04*"	9.46	3.31	74			age of volcanism		REPLICATE POTASSIUM ANALYSES	
3307	1	24.99	1	sanidine	conventional K-Ar	15	"4.72E-04, 0.585E-04, 1.19E-04*"	9.19	3.33	94			age of volcanism		REPLICATE POTASSIUM ANALYSES	
3308	1	25.39		sanidine	conventional K-Ar	16	"4.72E-04, 0.585E-04, 1.19E-04*"	10.05	3.7	96			age of volcanism		REPLICATE POTASSIUM ANALYSES	"AGE ALSO LISTED IN USGS MAP GQ-730 BY STEWART AND MCKEE, 1968"
3309	1	24.79		sanidine	conventional K-Ar	17	"4.72E-04, 0.585E-04, 1.19E-04*"	8.18	2.94	94			age of volcanism		REPLICATE POTASSIUM ANALYSES	
3310	1	31.85		biotite	conventional K-Ar	18	"4.72E-04, 0.585E-04, 1.19E-04*"	8.28	3.83	91			age of volcanism		REPLICATE POTASSIUM ANALYSES	"AGE ALSO LISTED IN USGS MAP GQ-770 BY MCKEE, 1968"
3311	1	34.86		biotite	conventional K-Ar	19	"4.72E-04, 0.585E-04, 1.19E-04*"	8.11	4.11	91			age of volcanism		REPLICATE POTASSIUM ANALYSES	"AGE ALSO LISTED IN USGS MAP GQ-730 BY STEWART AND MCKEE, 1968"
3312	1	36.35		hornblende	conventional K-Ar	20	"4.72E-04, 0.585E-04, 1.19E-04*"	0.927	0.49	71			age of volcanism		REPLICATE POTASSIUM ANALYSES	"AGE ALSO LISTED IN USGS MAP GQ-770 BY MCKEE, 1968"
3313	1	35.34		biotite	conventional K-Ar	21	"4.72E-04, 0.585E-04, 1.19E-04*"	6.5	3.34	76			age of volcanism			
3314	1	10.19		whole rock	conventional K-Ar	22	"4.72E-04, 0.585E-04, 1.19E-04*"	0.306	0.045	7			age of volcanism			
3315	1	15.2		whole rock	conventional K-Ar	23	"4.72E-04, 0.585E-04, 1.19E-04*"	0.733	0.16	36			age of volcanism			
3316	1	16.8		whole rock	conventional K-Ar	24	"4.72E-04, 0.585E-04, 1.19E-04*"	1.575	0.38	43			age of volcanism			
3317	1	30.17		biotite	conventional K-Ar	25	"4.72E-04, 0.585E-04, 1.19E-04*"	7.9	3.46	68			age of volcanism		REPLICATE POTASSIUM ANALYSES	
3318	1	27.02		biotite	conventional K-Ar	26	"4.72E-04, 0.585E-04, 1.19E-04*"	4.67	1.83	67			age of volcanism		REPLICATE POTASSIUM ANALYSES	
3319	1	28.74		biotite	conventional K-Ar	27	"4.72E-04, 0.585E-04, 1.19E-04*"	8.44	3.52	38			age of volcanism		REPLICATE POTASSIUM ANALYSES	
3320	1	7.97	0.6	glass	conventional K-Ar	1	"4.72E-04, 0.584E-04, 1.19E-04*"	4.33	0.498	16			age of volcanism	NONHYDRATED GLASS		
3320	2	9.73	0.7	glass	conventional K-Ar	1	"4.72E-04, 0.584E-04, 1.19E-04*"	4.33	0.608	17				NONHYDRATED GLASS		APPEARS INCORRECT IN COMPARISON WITH AGES OF ADJACENT UNITS
3321	1	11.41	0.3	sanidine	conventional K-Ar	2	"4.72E-04, 0.584E-04, 1.19E-04*"	10.13	1.67	93			age of volcanism	-100 MESH		
3321	2	11.56	0.3	sanidine	conventional K-Ar	2	"4.72E-04, 0.584E-04, 1.19E-04*"	10.065	1.68	96			age of volcanism	+100 MESH		
3322	1	13	0.6	biotite	conventional K-Ar	3	"4.72E-04, 0.584E-04, 1.19E-04*"	7.61	1.429	61			age of volcanism			
3322	2	12.82	0.6	K feldspar	conventional K-Ar	3	"4.72E-04, 0.584E-04, 1.19E-04*"	6.82	1.263	77			age of volcanism			
3323	1	13.01	1.1	K feldspar	conventional K-Ar	4	"4.72E-04, 0.584E-04, 1.19E-04*"	5.99	1.126	41			age of volcanism			
3323	2	11.57	1.1	K feldspar	conventional K-Ar	4	"4.72E-04, 0.584E-04, 1.19E-04*"	5.99	1.001	37						"THIS AGE APPEARS INCORRECT IN COMPARISON WITH OTHER RADIOMETRIC AGES FOR THE PAINTBRUSH TUFF, TIVA CANYON MEMBER."
3324	1	12.35	0.4	biotite	conventional K-Ar	4A(011-101-1)	"4.72E-04, 0.584E-04, 1.19E-04*"	7.62	1.359	4341			age of volcanism		ARGON VALUE IS AVERAGE OF REPLICATE ANALYSES	
3324	2	13.3	0.3	K feldspar	conventional K-Ar	4A(011-101-1)	"4.72E-04, 0.584E-04, 1.19E-04*"	8.13	1.562	8379			age of volcanism		ARGON VALUE IS AVERAGE OF REPLICATE ANALYSES	
3325	1	13.57	0.4	biotite	conventional K-Ar	4A(011-101-2)	"4.72E-04, 0.584E-04, 1.19E-04*"	7.55	1.481	4749			age of volcanism		ARGON VALUE IS AVERAGE OF REPLICATE ANALYSES	
3325	2	13.12	0.4	K feldspar	conventional K-Ar	4A(011-101-2)	"4.72E-04, 0.584E-04, 1.19E-04*"	8.57	1.625	7984			age of volcanism		ARGON VALUE IS AVERAGE OF REPLICATE ANALYSES	
3326	1	14.12	0.4	biotite	conventional K-Ar	9(0B3)	"4.72E-04, 0.584E-04, 1.19E-04*"	8.295	1.693	76			age of volcanism			
3326	2	14.45	0.4	biotite	conventional K-Ar	9(0B3)	"4.72E-04, 0.584E-04, 1.19E-04*"	8.295	1.732	73			age of volcanism			
3327	1	13.42	0.4	biotite	conventional K-Ar	9(0B3A)	"4.72E-04, 0.584E-04, 1.19E-04*"	8.38	1.625	80			age of volcanism			
3327	2	13.18	0.4	biotite	conventional K-Ar	9(0B3A)	"4.72E-04, 0.584E-04, 1.19E-04*"	8.38	1.596	70			age of volcanism			
3328	1	16.08	0.6	sanidine	conventional K-Ar	9A	"4.72E-04, 0.584E-04, 1.19E-04*"	9.57	2.226	92			age of volcanism		REPLICATE POTASSIUM ANALYSES	
3329	1	15.97	0.5	sanidine	conventional K-Ar	10	"4.72E-04, 0.584E-04, 1.19E-04*"	12.255	2.831	94			age of volcanism			
3329	2	16.82	0.5	sanidine	conventional K-Ar	10	"4.72E-04, 0.584E-04, 1.19E-04*"	12.255	2.982	95			age of volcanism			
3330	1	19.16	0.7	biotite	conventional K-Ar	11	"4.72E-04, 0.584E-04, 1.19E-04*"	6.85	1.9	75			age of volcanism			
3330	2	17.58	0.7	biotite	conventional K-Ar	11	"4.72E-04, 0.584E-04, 1.19E-04*"	6.85	1.742	69			age of volcanism			
3331	1	23.39	0.7	sanidine	conventional K-Ar	12	"4.72E-04, 0.584E-04, 1.19E-04*"	11	3.729	98			age of volcanism			
3331	2	22.17	0.7	sanidine	conventional K-Ar	12	"4.72E-04, 0.584E-04, 1.19E-04*"	11	3.533	92			age of volcanism			
3332	1	24.02	0.7	sanidine	conventional K-Ar	13	"4.72E-04, 0.584E-04, 1.19E-04*"	11.25	3.917	94			age of volcanism			
3332	2	24.35	1.1	biotite	conventional K-Ar	13	"4.72E-04, 0.584E-04, 1.19E-04*"	7.77	2.742	69			age of volcanism			
3333	1	25.01	0.7	sanidine	conventional K-Ar	14	"4.72E-04, 0.584E-04, 1.19E-04*"	11.09	4.021	95			age of volcanism			
3333	2	25.79	1.2	biotite	conventional K-Ar	14	"4.72E-04, 0.584E-04, 1.19E-04*"	8.26	3.089	73			age of volcanism			
3334	1	28.35	1.2	K feldspar	conventional K-Ar	15	"4.72E-04, 0.584E-04, 1.19E-04*"	6	2.468	92			age of volcanism			
3334	2	26.85	1.2	biotite	conventional K-Ar	15	"4.72E-04, 0.584E-04, 1.19E-04*"	8.33	3.244	78			age of volcanism		POTASSIUM VALUE IS AVERAGE OF 4 ANALYSES	
3335	1	28.23	0.8	biotite	conventional K-Ar	16	"4.72E-04, 0.584E-04, 1.19E-04*"	8.435	3.455	86			age of volcanism			
3335	2	27.89	0.8	biotite	conventional K-Ar	16	"4.72E-04, 0.584E-04, 1.19E-04*"	8.435	3.413	84			age of volcanism			"THE RESULTS OF THESE SAME ANALYSES ARE REPORTED AS 27.5+/-0.8 M.Y. IN EKREN AND OTHERS, 1977"
3336	1	29.01	1.3	biotite	conventional K-Ar	17(TNR-4-1)	"4.72E-04, 0.584E-04, 1.19E-04*"	7.82	3.292	71			age of volcanism			
3337	1	29.01	1.3	biotite	conventional K-Ar	17(TNR-1)	"4.72E-04, 0.584E-04, 1.19E-04*"	7.82	3.292	71			age of volcanism			
3337	2	31.6	1.4	biotite	conventional K-Ar	17(TNR-1)	"4.72E-04, 0.584E-04, 1.19E-04*"	8.12	3.727	79			age of volcanism			
3338	1	31.49	1.4	biotite	conventional K-Ar	18(NS-2-4)	"4.72E-04, 0.584E-04, 1.19E-04*"	8.58	3.924	80			age of volcanism			
3339	1	30.56	1.4	biotite	conventional K-Ar	18(NS-2-1)	"4.72E-04, 0.584E-04, 1.19E-04*"	8.45	3.749	74			age of volcanism			
3340	1	30.09	1.4	biotite	conventional K-Ar	19	"4.72E-04, 0.584E-04, 1.19E-04*"	7.7	3.364	70			age of volcanism			
3341	1	93.88	3.3	biotite	conventional K-Ar	20	"4.72E-04, 0.584E-04, 1.19E-04*"	8.88	12.32	92			age of intrusion			
3344	1	99.53	5	biotite	conventional K-Ar	21	"4.72E-04, 0.584E-04, 1.19E-04*"	8.58	12.64	94			age of intrusion			AVERAGE OF SIX K-AR AGES IS 93 M.Y.
3345	1	97.47	5	biotite	conventional K-Ar	22	"4.72E-04, 0.584E-04, 1.19E-04*"	8.26	11.91	91			age of intrusion			AVERAGE OF SIX K-AR AGES IS 93 M.Y.
3346	1	90.75	4	biotite	conventional K-Ar	23	"4.72E-04, 0.584E-04, 1.19E-04*"	8.03	10.76	87			minimum age of intrusion			AVERAGE OF SIX K-AR AGES IS 93 M.Y.
3347	1	93.05	5	biotite	conventional K-Ar	24	"4.72E-04, 0.584E-04, 1.19E-04*"	8.86	12.18	91			age of intrusion			AVERAGE OF SIX K-AR AGES IS 93 M.Y.
3348	1	93	5	biotite	conventional K-Ar	25	"4.72E-04, 0.584E-04, 1.19E-04*"	8.45	11.61	90			age of intrusion			AVERAGE OF SIX K-AR AGES IS 93 M.Y.
3349	1	96.6	5	biotite	conventional K-Ar	26	"4.72E-04, 0.584E-04, 1.19E-04*"	6.97	9.958	85			age of intrusion			AVERAGE OF SIX K-AR AGES IS 93 M.Y.
3350	1	75.21	4	biotite	conventional K-Ar	16-MW-60	"4.72E-04, 0.585E-04, 1.19E-04*"	8.89	9.83	91				-150 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3350	2	80.36	4	muscovite	conventional K-Ar	16-MW-60	"4.72E-04, 0.585E-04, 1.19E-04*"	8.14	9.63	96				-150 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3351	1	96.71	4.2	biotite	conventional K-Ar	27-DL-61	"4.72E-04, 0.585E-04, 1.19E-04*"	9.48	13.56	93				-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3351	2	101.58	4.2	biotite	conventional K-Ar	27-DL-61	"4.72E-04, 0.585E-04, 1.19E-04*"	9.14	13.75	95				-80+100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3351	3	159.09	5	hornblende	conventional K-Ar	27-DL-61	"4.72E-04, 0.585E-04, 1.19E-04*"	0.73	1.748	86			age of metamorphic crystallization	-100 MESH		
3352	1	43.36	1.4	microcline	conventional K-Ar	40A-MW-60	"4.72E-04, 0.585E-04, 1.19E-04*"	14.7	9.287	89				-150 MESH		"REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS.  U-TH-PB AGES OF 153, 162, AND 175 M.Y. REPORTED FOR THIS SAMPLE BY LEE AND OTHERS (1968)"
3352	2	72.88	3.1	biotite	conventional K-Ar	40A-MW-60	"4.72E-04, 0.585E-04, 1.19E-04*"	8.89	9.519	87						"REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS.  U-TH-PB AGES OF 153, 162, AND 175 M.Y. REPORTED FOR THIS SAMPLE BY LEE AND OTHERS (1968)"
3353	1	83.64	3.4	biotite	conventional K-Ar	40B-MW-60	"4.72E-04, 0.585E-04, 1.19E-04*"	9.59	11.82	94				-60+150 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3353	2	85.98	3.5	biotite	conventional K-Ar	40B-MW-60	"4.72E-04, 0.585E-04, 1.19E-04*"	8.66	10.98	90				+60 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3354	1	120.88	5	biotite	conventional K-Ar	22-MW-60	"4.72E-04, 0.585E-04, 1.19E-04*"	8	14.4	98				-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3354	2	143.17	6	muscovite	conventional K-Ar	22-MW-60	"4.72E-04, 0.585E-04, 1.19E-04*"	9.5	20.38	96			minimum age of intrusion	-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3355	1	142.89	5	muscovite	conventional K-Ar	389-DL-67	"4.72E-04, 0.585E-04, 1.19E-04*"	9.3	19.91	90			minimum age of intrusion	+60 MESH		AGE OF MINERALIZATION(?) OR A REDUCED AGE DUE TO THERMAL STRESS DURING THRUST FAULTING
3356	1	73.86	2.2	muscovite	conventional K-Ar	396-DL-67	"4.72E-04, 0.585E-04, 1.19E-04*"	10.88	11.81	94				+60 MESH		MINIMUM AGE OF MINERALIZATION OR REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3357	1	133.45	6	muscovite	conventional K-Ar	62-MW-60	"4.72E-04, 0.585E-04, 1.19E-04*"	10.08	20.1	98			minimum age of intrusion	-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3358	1	145.23	4	muscovite	conventional K-Ar	195-DL-62	"4.72E-04, 0.585E-04, 1.19E-04*"	10.38	22.6	94				-50+100 MESH		MINIMUM AGE OF MINERALIZATION.  REDUCED AGE DUE TO LOSS OF ARGON DURING THERMAL STRESS DUE TO THRUST FAULTING
3359	1	159.27	6	muscovite	conventional K-Ar	392-DL-67	"4.72E-04, 0.585E-04, 1.19E-04*"	9.44	22.63	90				+60 MESH		AGE OF MINERALIZATION OR A REDUCED AGE DUE TO LOSS OF ARGON DURING THERMAL STRESS DUE TO THRUST FAULTING
3360	1	96.59	5	biotite	conventional K-Ar	71-MW-60	"4.72E-04, 0.585E-04, 1.19E-04*"	9.03	12.9	89				-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3361	1	31.7	2	muscovite	conventional K-Ar	121-MW-60	"4.72E-04, 0.585E-04, 1.19E-04*"	10.1	4.65	82			minimum age of intrusion	-100 MESH		
3362	1	33.31	1.4	biotite	conventional K-Ar	122-DL-62	"4.72E-04, 0.585E-04, 1.19E-04*"	9.14	4.424	84				-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON; PRIMARY AGE IS PROBABLY JURASSIC
3362	2	53.09	1.5	muscovite	conventional K-Ar	122-DL-62	"4.72E-04, 0.585E-04, 1.19E-04*"	10.3	7.989	88				-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3363	1	23.1	1.3	biotite	conventional K-Ar	135-DL-62	"4.72E-04, 0.585E-04, 1.19E-04*"	8.72	2.919	50				-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3363	2	72.68	2	muscovite	conventional K-Ar	135-DL-62	"4.72E-04, 0.585E-04, 1.19E-04*"	10.48	11.19	92			age of volcanism	-100 MESH		
3364	1	55.17	1.5	muscovite	conventional K-Ar	199-MW-61	"4.72E-04, 0.585E-04, 1.19E-04*"	10.77	8.687	94				-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3365	1	31.58	2.1	biotite	conventional K-Ar	226-MW-61	"4.72E-04, 0.585E-04, 1.19E-04*"	7.32	3.357	38				-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3365	2	79.51	2.2	muscovite	conventional K-Ar	226-MW-61	"4.72E-04, 0.585E-04, 1.19E-04*"	10.1	11.82	90				-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3366	1	34.85	1	muscovite	conventional K-Ar	119-MW-60	"4.72E-04, 0.585E-04, 1.19E-04*"	10.06	5.096	82			age of intrusion	-100 MESH		
3367	1	23.1	1.3	biotite	conventional K-Ar	98-DL-62	"4.72E-04, 0.585E-04, 1.19E-04*"	8.5	2.848	66			age of metamorphic crystallization	+100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3368	1	17.4	0.8	muscovite	conventional K-Ar	184-MW-61	"4.72E-04, 0.585E-04, 1.19E-04*"	3.62	0.9112	80			age of later metamorphism	ALSO CONTAINS QUARTZ; -100 MESH		THERMAL METAMORPHISM; REDUCED AGE DUE TO LOSS OF ARGON; PRIMARY AGE IS PROBABLY JURASSIC
3369	1	31.61	1.5	biotite	conventional K-Ar	126-MW-61	"4.72E-04, 0.585E-04, 1.19E-04*"	8.52	3.912	84				+100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3370	1	19.01	1	muscovite	conventional K-Ar	188-MW-61	"4.72E-04, 0.585E-04, 1.19E-04*"	6.14	1.689	86			age of later metamorphism	ALSO CONTAINS QUARTZ; -100 MESH		THERMAL METAMORPHISM; REDUCED AGE DUE TO LOSS OF ARGON
3371	1	30.61	1.4	biotite	conventional K-Ar	230-MW-61	"4.72E-04, 0.585E-04, 1.19E-04*"	8.92	3.964	73				-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON DURING THRUST FAULTING
3372	1	51.16	2	phlogopite	conventional K-Ar	224-DL-63	"4.72E-04, 0.585E-04, 1.19E-04*"	9.54	7.127	83				-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3373	1	77.9	2.9	biotite	conventional K-Ar	177-MW-60	"4.72E-04, 0.585E-04, 1.19E-04*"	9.04	10.36	89				+100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3374	1	77.22	2.9	biotite	conventional K-Ar	371-DL-66	"4.72E-04, 0.585E-04, 1.19E-04*"	8.48	9.632	84				+60 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3375	1	105.84	4	biotite	conventional K-Ar	334-DL-66	"4.72E-04, 0.585E-04, 1.19E-04*"	9.22	14.47	91				-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3375	2	115.87	4	muscovite	conventional K-Ar	334-DL-66	"4.72E-04, 0.585E-04, 1.19E-04*"	9.24	15.92	90				-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3376	1	123.34	4	biotite	conventional K-Ar	295-DL-64	"4.72E-04, 0.585E-04, 1.19E-04*"	8.76	16.1	96				-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3376	2	153.82	4	muscovite	conventional K-Ar	295-DL-64	"4.72E-04, 0.585E-04, 1.19E-04*"	10.01	23.14	85			minimum age of intrusion	-100 MESH		
3377	1	26.09	1.3	biotite	conventional K-Ar	287-DL-63	"4.72E-04, 0.585E-04, 1.19E-04*"	9.28	3.511	75				-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3377	2	31.82	1.7	muscovite	conventional K-Ar	287-DL-63	"4.72E-04, 0.585E-04, 1.19E-04*"	10.38	4.798	47				-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3378	1	22.68	1.3	phengite	conventional K-Ar	419-DL-67	"4.72E-04, 0.585E-04, 1.19E-04*"	10.58	3.476	61				+80 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS DURING THRUST FAULTING
3379	1	25.31	1.7	muscovite	conventional K-Ar	250-DL-63	"4.72E-04, 0.585E-04, 1.19E-04*"	7.76	2.848	47				ALSO CONTAINS SOME QUARTZ; -60 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3380	1	25.8	1.2	biotite	conventional K-Ar	418-DL-67	"4.72E-04, 0.585E-04, 1.19E-04*"	8.75	3.274	55				-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS DURING THRUST FAULTING
3380	2	55.42	1.5	phengite	conventional K-Ar	418-DL-67	"4.72E-04, 0.585E-04, 1.19E-04*"	10.66	8.637	91				-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS DURING THRUST FAULTING
3381	1	61.43	3	biotite	conventional K-Ar	35A-MW-60	"4.72E-04, 0.585E-04, 1.19E-04*"	9.87	8.88	93				-60 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS DURING THRUST FAULTING
3382	1	62.65	1.8	phengite	conventional K-Ar	146-DL-62	"4.72E-04, 0.585E-04, 1.19E-04*"	10.8	9.912	91				-100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3383	1	66.19	1.8	phengite	conventional K-Ar	380-DL-66	"4.72E-04, 0.585E-04, 1.19E-04*"	10.91	10.59	91				-100 MESH		REDUCED AGE
3384	1	125.44	5	muscovite	conventional K-Ar	330-DL-66	"4.72E-04, 0.585E-04, 1.19E-04*"	7.32	13.69	94				ALSO CONTAINS QUARTZ; -100 MESH		REDUCED AGE DUE TO LOSS OF ARGON FROM THERMAL STRESS
3385	1	264.49	9	muscovite	conventional K-Ar	329-DL-66	"4.72E-04, 0.585E-04, 1.19E-04*"	6.92	28.38	96			age of volcanism	ALSO CONTAINS SOME QUARTZ; -100 MESH		
3393	1	93.86	1.8	sericite	conventional K-Ar	JDL-1-69	"4.76E-04, 0.589E-04, 1.18E-04*"	9.3	12.9	93						MINIMUM AGE OF ALTERATION
3394	1	69.75	1.7	microcline	conventional K-Ar	JDL-1-70	"4.76E-04, 0.589E-04, 1.18E-04*"	13	13.31	86						AGE IS PROBABLY SPURIOUS; MICROCLINE PROBABLY LEAKED RADIOGENIC ARGON
3395	1	97.36	2.4	sericite	conventional K-Ar	JDL-2-70	"4.76E-04, 0.589E-04, 1.18E-04*"	8.11	11.68	92						PROBABLE AGE OF ALTERATION; MAY BE CLOSE TO AGE OF CRYSTALLIZATION
3397	1	153.11	5	hornblende	conventional K-Ar	W-307	"4.72E-04, 0.585E-04, 1.19E-04*"	0.539	1.24	90			maximum age of intrusion			
3398	1	35.27	1.2	biotite	conventional K-Ar	J-250	"4.72E-04, 0.585E-04, 1.19E-04*"	8.56	4.39	81			age of intrusion			
3398	2	35.11	1.1	sanidine	conventional K-Ar	J-250	"4.72E-04, 0.585E-04, 1.19E-04*"	10.62	5.42	96			age of intrusion			
3399	1	34.77	1.1	biotite	conventional K-Ar	J-259	"4.72E-04, 0.585E-04, 1.19E-04*"	8.25	4.17	82			age of intrusion			
3399	2	35.78	1.2	sanidine	conventional K-Ar	J-259	"4.72E-04, 0.585E-04, 1.19E-04*"	12.34	6.42	95			age of intrusion			
3400	1	35.82	1	biotite	conventional K-Ar	J-269	"4.72E-04, 0.585E-04, 1.19E-04*"	8.39	4.37	85			age of intrusion			
3400	2	35.31	1.1	sanidine	conventional K-Ar	J-269	"4.72E-04, 0.585E-04, 1.19E-04*"	10.52	5.4	92			age of intrusion			
3401	1	35.25	1.1	biotite	conventional K-Ar	J-272	"4.72E-04, 0.585E-04, 1.19E-04*"	8.37	4.29	80			age of volcanism			
3401	2	33.45	1	sanidine	conventional K-Ar	J-272	"4.72E-04, 0.585E-04, 1.19E-04*"	11.85	5.76	94			age of volcanism			
3402	1	16.71	0.9	plagioclase	conventional K-Ar	W-304	"4.72E-04, 0.585E-04, 1.19E-04*"	0.295	0.0713	19			age of volcanism			
3403	1	15.61	0.4	sanidine	conventional K-Ar	W-302	"4.72E-04, 0.585E-04, 1.19E-04*"	10.1	2.28	92			age of volcanism			
3404	1	160.14	2	hornblende	conventional K-Ar	YU-SW341	"4.72E-04, 0.584E-04, 1.19E-04*"	0.618	1.49	4758			age of intrusion	"97.5% HORNBLENDE, 2.5% AMPHIBOLE AND EPIDOTE"	REPLICATE ANALYSES	
3405	1	154.19	4	hornblende	conventional K-Ar	YU-BV100	"4.72E-04, 0.584E-04, 1.19E-04*"	0.252	0.584	2228				"96% HORNBLENDE, 4% ALTERED AMPLIBOLE"	REPLICATE ANALYSES	AGE OF MINERALIZATION AND INTRUSION
3406	1	105.27	2	biotite	conventional K-Ar	YU-CA140	"4.72E-04, 0.584E-04, 1.19E-04*"	8.65	13.5	83			age of intrusion	"99% BIOTITE, +80 MESH"	REPLICATE POTASSIUM ANALYSES	
3407	1	89.66	2	biotite	conventional K-Ar	YU-CA150	"4.72E-04, 0.584E-04, 1.19E-04*"	7.39	9.78	83			age of intrusion	"99% BIOTITE, +80 MESH"	REPLICATE POTASSIUM ANALYSES	
3408	1	77.92	1.5	biotite	conventional K-Ar	YU-WH23	"4.72E-04, 0.584E-04, 1.19E-04*"	7.92	9.08	82			age of intrusion	"99% BIOTITE, +80 MESH"	REPLICATE POTASSIUM ANALYSES	
3409	1	59	3	biotite	conventional K-Ar	USGS(M)-NKS7-3	"4.72E-04, 0.584E-04, 1.19E-04*"	7.95	6.86	83			age of intrusion	"99% BIOTITE, +60 MESH"	POTASSIUM VALUE IS AVERAGE OF 4 ANALYSES	"K-AR AGE OF 69.1+/-1.4 FOR BIOTITE REPORTED FOR THIS SAMPLE BY SILBERMAN AND MCKEE, 1971"
3410	1	257.22	3	hornblende		YU-M1	"4.72E-04, 0.584E-04, 1.19E-04*"	0.912	3.63	6374			age of volcanism	"92% HORNBLENDE, 8% EPIDOTE AND CHLORITE; +100 MESH"	REPLICATE ANALYSES	
3411	1	291	3	hornblende	conventional K-Ar	YU-M2	"4.72E-04, 0.584E-04, 1.19E-04*"	0.713	3.24	66			age of volcanism	"98.3% BROWN HORNBLENDE, 1.7% EPIDOTE AND CHLORITE; +100 MESH"	REPLICATE ANALYSES	
3412	1	259.56	3	hornblende	conventional K-Ar	YU-EXC68	"4.72E-04, 0.584E-04, 1.19E-04*"	1.1	4.421	7382			age of volcanism	"96% HORNBLENDE, 4% OTHER MINERALS, CHIEFLY CHLORITE; +100 MESH"	REPLICATE ANALYSES	
3413	1	215.98	3	hornblende	conventional K-Ar	YU-EXC1	"4.72E-04, 0.584E-04, 1.19E-04*"	1.22	4.03	7984				"96.9% HORNBLENDE, 3% CHLORITE, EPIDOTE, AND FELDSPAR; +100 MESH"	REPLICATE ANALYSES	"SPURIOUS AGE, PROBABLY; PRIMARY AGE MAY BE 253 M.Y."
3414	1	24.01	5	pyroxenes	conventional K-Ar	YU-AUG1	"4.72E-04, 0.584E-04, 1.19E-04*"	0.05	0.0174	23			age of volcanism	"99% CLINOPYREXENE, +100 MESH"	REPLICATE ANALYSES	
3415	1	20	2	biotite	conventional K-Ar	I-SW193	"4.72E-04, 0.584E-04, 1.19E-04*"	8.32	2.4	69		Page (1965)	age of intrusion	"99% BIOTITE, +80 MESH"		AGE LISTED BY PAGE (1965)
3416	1	100.15	3.5	biotite	conventional K-Ar	1(SA-1)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.105	13.5	90			age of intrusion			
3416	2	101.63	5	hornblende	conventional K-Ar	1(SA-1)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.485	0.73	56			age of intrusion			
3417	1	98.64	3.5	biotite	conventional K-Ar	7(BATTL)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.345	13.64	90			age of intrusion			
3418	1	96.5	3.7	biotite	conventional K-Ar	8(TP-1)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.955	12.78	77			age of intrusion			
3419	1	92.76	3.2	biotite	conventional K-Ar	9(D-8)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.085	12.45	71			age of intrusion			
3420	1	80.89	2.8	biotite	conventional K-Ar	14(52-3)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.53	10.16	82					POTASSIUM VALUE IS AVERAGE OF 4 ANALYSES	AGE IS PROBABLY A HYBRID AGE
3420	2	101.41	5	hornblende	conventional K-Ar	14(52-3)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.839	1.26	67			age of intrusion			
3420	3	105.32	5	hornblende	conventional K-Ar	14(52-3)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.839	1.31	69			age of intrusion			
3421	1	150.4	7.5	hornblende	conventional K-Ar	15(D-11)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.496	1.12	49			minimum age of intrusion			
3422	1	177.52	8	hornblende	conventional K-Ar	16(BC-1)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.35	0.94	51			age of intrusion			
3422	2	98.63	3.5	biotite	conventional K-Ar	16(BC-1)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.9	12.99	88						AGE IS APPARENTLY A HYBRID AGE
3423	1	98.56	3.5	biotite	conventional K-Ar	17(35-4)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.195	13.41	90			age of intrusion			
3424	1	94.16	3.9	biotite	conventional K-Ar	18(T1010)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.99	12.51	81			age of intrusion			
3424	2	97.45	6.3	hornblende	conventional K-Ar	18(T1010)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.77	1.11	94			age of intrusion			
3425	1	95.97	3.9	biotite	conventional K-Ar	19(T946)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.175	13.02	94			age of intrusion			
3425	2	91.72	5.9	hornblende	conventional K-Ar	19(T946)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.75	1.016	92			age of intrusion			
3426	1	104.99	4	biotite	conventional K-Ar	20(T972)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.25	12.84	91			age of intrusion			
3427	1	106.38	4	biotite	conventional K-Ar	21(T968)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.405	13.26	96			age of intrusion			
3428	1	87.02	3.6	biotite	conventional K-Ar	22(T961)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.655	9.826	93			age of intrusion			
3428	2	90.75	6	hornblende	conventional K-Ar	22(T961)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.675	0.9045	87			age of intrusion			
3429	1	89.31	3.7	biotite	conventional K-Ar	23(T944)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.975	11.83	95			age of intrusion			
3429	2	92.32	6.1	hornblende	conventional K-Ar	23(T944)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.69	0.941	77			age of intrusion			
3430	1	93.41	3.8	biotite	conventional K-Ar	24(T1047)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.585	13.23	95			age of intrusion			
3430	2	96.14	6	hornblende	conventional K-Ar	24(T1047)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.83	1.18	92			age of intrusion			
3431	1	93.3	3.1	biotite	conventional K-Ar	25(T975)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.06	12.49	96			age of intrusion			
3431	2	94.04	6.1	hornblende	conventional K-Ar	25(T975)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.56	0.7783	76			age of intrusion			
3432	1	92.1	1.8	biotite	conventional K-Ar	1. USGS(M)-MB33B	"4.72E-04, 0.585E-04, 1.19E-04*"	8.88	12.08	89			age of intrusion	1% CHLORITE		
3433	1	94.47	1.8	biotite	conventional K-Ar	2. USGS(M)-MB34	"4.72E-04, 0.585E-04, 1.19E-04*"	8.73	12.19	86			age of intrusion			
3433	2	90.49	1.8	hornblende	conventional K-Ar	2. USGS(M)-MB34	"4.72E-04, 0.585E-04, 1.19E-04*"	0.694	0.9272	62			age of intrusion	3% PYROXENE		"HORNBLENDE AGE REVISED TO 89.5 M.Y. BY SILBERMAN, BERGER, AND KOSKI, 1974, BASED ON NEW POTASSIUM ANALYSES"
3434	1	92.1	1.8	biotite	conventional K-Ar	3. USGS(M)-MB32	"4.72E-04, 0.585E-04, 1.19E-04*"	8.52	11.59	92			age of intrusion			
3435	1	149.48	3	biotite	conventional K-Ar	4. USGS(M)-MB1	"4.72E-04, 0.585E-04, 1.19E-04*"	8.08	18.13	89			age of intrusion	1% CHLORITE		
3435	2	148.4	3	hornblende	conventional K-Ar	4. USGS(M)-MB1	"4.72E-04, 0.585E-04, 1.19E-04*"	0.78	1.737	74			age of intrusion	1% PYROXENE		
3436	1	160.99	3	biotite	conventional K-Ar	5. USGS(M)-MB3	"4.72E-04, 0.585E-04, 1.19E-04*"	9.05	21.94	95			age of intrusion		REPLICATE ARGON ANALYSES	
3436	2	163.76	3	hornblende	conventional K-Ar	5. USGS(M)-MB3	"4.72E-04, 0.585E-04, 1.19E-04*"	0.641	1.582	78			age of intrusion	"5% PYROXENE, 1% BIOTITE"		
3437	1	156.87	3	biotite	conventional K-Ar	6. USGS(M)-MB4	"4.72E-04, 0.585E-04, 1.19E-04*"	7.87	18.57	67			age of intrusion	1% CHLORITE		
3438	1	153.99	3	biotite	conventional K-Ar	7. USGS(M)-MB27	"4.72E-04, 0.585E-04, 1.19E-04*"	9.16	21.2	92			age of intrusion			
3439	1	35.68	0.7	biotite	conventional K-Ar	8. USGS(M)-M125	"4.72E-04, 0.585E-04, 1.19E-04*"	8.24	4.275	8084			age of intrusion		REPLICATE ARGON ANALYSES	
3439	2	35.59	0.7	sanidine	conventional K-Ar	8. USGS(M)-M125	"4.72E-04, 0.585E-04, 1.19E-04*"	11.6	6.003	98			age of intrusion			
3440	1	38.18	0.8	biotite	conventional K-Ar	9. USGS(M)-M124	"4.72E-04, 0.585E-04, 1.19E-04*"	8.79	4.883	7855			age of intrusion		REPLICATE ARGON ANALYSES	
3441	1	38.31	0.8	biotite	conventional K-Ar	10. USGS(M)-M123	"4.72E-04, 0.585E-04, 1.19E-04*"	7.99	4.454	8183			age of intrusion	5% CHLORITE	REPLICATE ARGON ANALYSES	
3441	2	39.13	0.8	hornblende	conventional K-Ar	10. USGS(M)-M123	"4.72E-04, 0.585E-04, 1.19E-04*"	1.077	0.6133	71			age of intrusion	"1% BIOTITE, 1% PYROXENE"		
3442	1	38.91	0.8	biotite	conventional K-Ar	11. USGS(M)-MB7	"4.72E-04, 0.585E-04, 1.19E-04*"	7.66	4.338	63			age of intrusion	5% CHLORITE		
3442	2	37.67	0.7	hornblende	conventional K-Ar	11. USGS(M)-MB7	"4.72E-04, 0.585E-04, 1.19E-04*"	0.953	0.5223	55			age of intrusion	4% BIOTITE		
3443	1	37.95	0.7	biotite	conventional K-Ar	12. USGS(M)-M119	"4.72E-04, 0.585E-04, 1.19E-04*"	7.25	4.003	38			age of intrusion	2% CHLORITE		
3443	2	36.96	0.7	hornblende	conventional K-Ar	12. USGS(M)-M119	"4.72E-04, 0.585E-04, 1.19E-04*"	0.892	0.4796	63			age of intrusion	LESS THAN 1% BIOTITE PRESENT		
3444	1	39.09	0.8	hornblende	conventional K-Ar	13. USGS(M)-MB8	"4.72E-04, 0.585E-04, 1.19E-04*"	1.021	0.5809	40			age of intrusion	"4% PYROXENE, 2% CHLORITE"		
3445	1	35.99	0.7	biotite	conventional K-Ar	14. USGS(M)-M103B	"4.72E-04, 0.585E-04, 1.19E-04*"	7.61	3.983	71			age of intrusion	7% CHLORITE		
3446	1	95.06	1.9	sericite	conventional K-Ar	15. USGS(M)-MGW72	"4.72E-04, 0.585E-04, 1.19E-04*"	9.97	14.01	89						POSSIBLE AGE OF ALTERATION ACCOMPANIED BY GOLD DEPOSITION
3446	2	101.21	2	biotite	conventional K-Ar	15. USGS(M)-MGW72	"4.72E-04, 0.585E-04, 1.19E-04*"	8.22	12.32	86			minimum age of intrusion	12% CHLORITE		
3447	1	96.56	1.9	sericite	conventional K-Ar	16. USGS(M)-M5	"4.72E-04, 0.585E-04, 1.19E-04*"	8.34	11.91	95						POSSIBLE AGE OF ALTERATION ACCOMPANIED BY GOLD DEPOSITION
3448	1	89.32	1.7	biotite	conventional K-Ar	17. USGS(M)-MB25	"4.72E-04, 0.585E-04, 1.19E-04*"	7.38	9.729	79			age of intrusion	3% CHLORITE		
3449	1	89.08	1.7	biotite	conventional K-Ar	18. USGS(M)-M26	"4.72E-04, 0.585E-04, 1.19E-04*"	8.2	10.78	76			age of intrusion			
3450	1	38.15	0.7	biotite	conventional K-Ar	19. USGS(M)-MB12	"4.72E-04, 0.585E-04, 1.19E-04*"	8.45	4.69	66			age of intrusion			
3451	1	39.14	0.8	biotite	conventional K-Ar	20. USGS(M)-MB23	"4.72E-04, 0.585E-04, 1.19E-04*"	9.05	5.155	82			minimum age of intrusion			
3452	1	39.42	0.8	biotite	conventional K-Ar	21. USGS(M)-M18	"4.72E-04, 0.585E-04, 1.19E-04*"	8.54	4.9	87			minimum age of intrusion			
3453	1	38.18	0.7	whole rock	conventional K-Ar	22. USGS(M)-MRB6500	"4.72E-04, 0.585E-04, 1.19E-04*"	9.51	5.283	81			age of metamorphic crystallization	SULFIDES REMOVED BEFORE ANALYSIS		APPARENT AGE OF MINERALIZATION
3454	1	38.03	0.7	whole rock	conventional K-Ar	23. USGS(M)-MB52	"4.72E-04, 0.585E-04, 1.19E-04*"	2.55	1.411	52			age of metamorphic crystallization	SULFIDES REMOVED BEFORE ANALYSIS		APPARENT AGE OF MINERALIZATION
3455	1	105.99	2	biotite	conventional K-Ar	24. USGS(M)-MB42	"4.72E-04, 0.585E-04, 1.19E-04*"	6.91	10.86	7882			age of intrusion		REPLICATE ARGON ANALYSES	
3456	1	156.8	3	biotite	conventional K-Ar	25. USGS(M)-MB41	"4.72E-04, 0.585E-04, 1.19E-04*"	9.15	21.58	8992			age of intrusion		REPLICATE ARGON ANALYSES	
3457	1	133.97	3	biotite	conventional K-Ar	26. USGS(M)-MB45	"4.72E-04, 0.585E-04, 1.19E-04*"	9.2	18.42	93			initial age disturbed by later metamorphism	2% CHLORITE		
3457	2	152.75	3	hornblende	conventional K-Ar	26. USGS(M)-MB45	"4.72E-04, 0.585E-04, 1.19E-04*"	1.078	2.474	83			age of intrusion	"2% PYROXENE, 2% BIOTITE"		
3458	1	156.66	3	biotite	conventional K-Ar	28. USGS(M)-M273	"4.72E-04, 0.585E-04, 1.19E-04*"	9.32	21.96	91			age of intrusion			
3459	1	158.66	3	biotite	conventional K-Ar	29. USGS(M)-M272	"4.72E-04, 0.585E-04, 1.19E-04*"	7.35	17.55	89			age of intrusion			
3460	1	73.06	1.4	biotite	conventional K-Ar	30. USGS(M)-M274	"4.72E-04, 0.585E-04, 1.19E-04*"	7.63	8.19	77			age of intrusion			
3461	1	69.61	2.7	biotite	conventional K-Ar	31. USGS(M)-M335	"4.72E-04, 0.585E-04, 1.19E-04*"	8.73	8.92	23			age of intrusion			
3462	1	172.25	3	biotite	conventional K-Ar	32. USGS(M)-M050	"4.72E-04, 0.585E-04, 1.19E-04*"	8.32	21.65	76			age of intrusion			
3463	1	154.43	3	biotite	conventional K-Ar	33. USGS(M)-M275	"4.72E-04, 0.585E-04, 1.19E-04*"	6.63	15.39	90			age of intrusion			
3464	1	157.92	3	biotite	conventional K-Ar	34. USGS(M)-M3-13	"4.72E-04, 0.585E-04, 1.19E-04*"	8.27	19.65	9788			age of intrusion		REPLICATE ARGON ANALYSES	
3465	1	80.12	1.6	muscovite	conventional K-Ar	35. USGS(M)-M25-5	"4.72E-04, 0.585E-04, 1.19E-04*"	10.2	12.03	8475			age of intrusion		REPLICATE ARGON ANALYSES	
3466	1	34.28	0.7	biotite	conventional K-Ar	36. USGS(M)-M14	"4.72E-04, 0.585E-04, 1.19E-04*"	8.7	4.335	3236			age of intrusion		REPLICATE ARGON ANALYSES	
3467	1	36.5	0.7	biotite	conventional K-Ar	37. USGS(M)-66B87	"4.72E-04, 0.585E-04, 1.19E-04*"	8.64	4.587	77			age of intrusion			
3468	1	102.16	2	biotite	conventional K-Ar	38. USGS(M)-AD39	"4.72E-04, 0.585E-04, 1.19E-04*"	6.76	10.23	85			minimum age of intrusion	13% CHLORITE PRESENT		AGE MAY NOT BE PRIMARY AGE
3469	1	114.07	4	biotite	conventional K-Ar	G-BO464	"4.72E-04, 0.585E-04, 1.19E-04*"	7.35	12.46				age of intrusion			
3470	1	112.65	3	biotite	conventional K-Ar	G-BO446	"4.72E-04, 0.585E-04, 1.19E-04*"	6.31	10.56				age of intrusion			ALSO A MINIMUM AGE FOR THE COPPER MINERALIZATION
3471	1	24.31	0.9	sanidine	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04*"	8.06	2.84	81			age of volcanism			
3472	1	23.88	0.9	sanidine	conventional K-Ar	2	"4.72E-04, 0.585E-04, 1.19E-04*"	7.57	2.62	77			age of volcanism			
3473	1	24.57	1	sanidine	conventional K-Ar	3	"4.72E-04, 0.585E-04, 1.19E-04*"	10.39	3.7	86			age of volcanism			
3474	1	25.39	1	sanidine	conventional K-Ar	4	"4.72E-04, 0.585E-04, 1.19E-04*"	10.05	3.7	96			age of volcanism			
3475	1	27.02	1	biotite	conventional K-Ar	5	"4.72E-04, 0.585E-04, 1.19E-04*"	4.67	1.83	67			age of volcanism			
3476	1	27.68	1	sanidine	conventional K-Ar	6	"4.72E-04, 0.585E-04, 1.19E-04*"	8.94	3.59	83			age of volcanism			
3477	1	27.57	1	sanidine	conventional K-Ar	7	"4.72E-04, 0.585E-04, 1.19E-04*"	9.05	3.62	94			age of volcanism			
3478	1	28.74	1.1	biotite	conventional K-Ar	8	"4.72E-04, 0.585E-04, 1.19E-04*"	8.44	3.52	39			age of volcanism			
3479	1	31.72	1.2	biotite	conventional K-Ar	9	"4.72E-04, 0.585E-04, 1.19E-04*"	8.64	3.98	77			age of volcanism			
3479	2	29.17	1.1	sanidine	conventional K-Ar	9	"4.72E-04, 0.585E-04, 1.19E-04*"	11.22	4.75	88			age of volcanism			
3480	1	24.17	0.9	biotite	conventional K-Ar	10	"4.72E-04, 0.585E-04, 1.19E-04*"	7.48	2.62	73			age of volcanism			
3481	1	22.48	0.9	sanidine	conventional K-Ar	11	"4.72E-04, 0.585E-04, 1.19E-04*"	8.32	2.71	84			age of volcanism			
3482	1	26.85	1	biotite	conventional K-Ar	12	"4.72E-04, 0.585E-04, 1.19E-04*"	7.6	2.96	79			age of volcanism			
3483	1	24.73	1	biotite	conventional K-Ar	13	"4.72E-04, 0.585E-04, 1.19E-04*"	6.89	2.47	57			age of volcanism			
3484	1	25.44	1	sanidine	conventional K-Ar	14	"4.72E-04, 0.585E-04, 1.19E-04*"	9.87	3.64	87			age of volcanism			
3485	1	25.77	1	sanidine	conventional K-Ar	15	"4.72E-04, 0.585E-04, 1.19E-04*"	10.33	3.86	93			age of volcanism			
3486	1	26.14	1	sanidine	conventional K-Ar	16	"4.72E-04, 0.585E-04, 1.19E-04*"	10.5	3.98	85			age of volcanism			
3487	1	27.19	1	biotite	conventional K-Ar	17	"4.72E-04, 0.585E-04, 1.19E-04*"	7.91	3.12	75			age of volcanism			
3487	2	25.84	1	sanidine	conventional K-Ar	17	"4.72E-04, 0.585E-04, 1.19E-04*"	11.05	4.14	88			age of volcanism			
3488	1	15.69	0.8	sanidine	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04*"	9.92	2.25	88			age of volcanism			"THIS AGE PUBLISHED BY J. GILLULY, 1967, IN USGS MAP GQ-656; AGE ONLY"
3489	1	34.48	1.1	sanidine	conventional K-Ar	2	"4.72E-04, 0.585E-04, 1.19E-04*"	11.95	5.99	91			age of volcanism			
3491	1	25.02		biotite	conventional K-Ar	67W261	"4.72E-04, 0.585E-04, 1.19E-04*"	7.605	2.758	79			age of volcanism			
3491	2	24.13		biotite	conventional K-Ar	67W262	"4.72E-04, 0.585E-04, 1.19E-04*"	7.65	2.675	85			age of volcanism			
3492	1	19.82	0.6	biotite	conventional K-Ar	18	"4.72E-04, 0.585E-04, 1.19E-04*"	8.19	2.35	48			age of volcanism			
3493	1	23.66	0.7	sanidine	conventional K-Ar	19	"4.72E-04, 0.585E-04, 1.19E-04*"	5.98	2.05	53			age of volcanism			
3494	1	32.7	1.3	sanidine	conventional K-Ar	39	"4.72E-04, 0.585E-04, 1.19E-04"	11.71	2.46	89			age of volcanism		(*)	
3495	1	39.61	0.8	biotite	conventional K-Ar	73	"4.72E-04, 0.585E-04, 1.19E-04*"	8.22	4.74	87			age of volcanism			
3496	1	33.94	0.7	sanidine	conventional K-Ar	76	"4.72E-04, 0.585E-04, 1.19E-04*"	4.46	2.2	74			age of volcanism			
3496	2	35.78	0.7	biotite	conventional K-Ar	76	"4.72E-04, 0.585E-04, 1.19E-04*"	6.17	3.21	80			age of volcanism			
3497	1	34.78	0.9	biotite	conventional K-Ar	77	"4.72E-04, 0.585E-04, 1.19E-04*"	7.99	4.04	45			age of volcanism			
3498	1	40.35	0.8	biotite	conventional K-Ar	78	"4.72E-04, 0.585E-04, 1.19E-04*"	8	4.7	88			age of volcanism			
3499	1	31.38	1.1	biotite	conventional K-Ar	87	"4.72E-04, 0.585E-04, 1.19E-04*"	7.68	3.5	71			age of volcanism			
3500	1	30.8	1	biotite	conventional K-Ar	92	"4.72E-04, 0.585E-04, 1.19E-04*"	7.58	3.39	54			age of volcanism			
3501	1	31.87	1.1	sanidine	conventional K-Ar	93	"4.72E-04, 0.585E-04, 1.19E-04*"	9.96	4.61	85			age of volcanism			
3502	1	33.13	1.1	sanidine	conventional K-Ar	94	"4.72E-04, 0.585E-04, 1.19E-04*"	10.2	4.91	92			age of volcanism			
3503	1	36.16	0.8	biotite	conventional K-Ar	95	"4.72E-04, 0.585E-04, 1.19E-04*"	7.72	4.06	90			age of volcanism			
3503	2	33.81	0.8	sanidine	conventional K-Ar	95	"4.72E-04, 0.585E-04, 1.19E-04*"	12.07	5.93	98			minimum age of volcanism			
3504	1	36.08	1.1	biotite	conventional K-Ar	97	"4.72E-04, 0.585E-04, 1.19E-04*"	8.12	4.26	86			age of volcanism			
3505	1	36.07	1.9	hornblende	conventional K-Ar	98(PS66B-59)	"4.72E-04, 0.585E-04, 1.19E-04*"	1.22	0.64	65			age of volcanism			
3506	1	35.68	1.4	biotite	conventional K-Ar	99(PS66B-55)	"4.72E-04, 0.585E-04, 1.19E-04*"	6.94	3.6	78			age of volcanism			
3507	1	35.13	1	biotite	conventional K-Ar	100(PS66B-31)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.97	4.07	79			age of volcanism			
3508	1	35.61	0.7	biotite	conventional K-Ar	101(E-13)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.41	4.354	89			age of intrusion			
3509	1	34.6	1.9	biotite	conventional K-Ar	102(PS66B-81)	"4.72E-04, 0.585E-04, 1.19E-04"	8.11	3.29	69			age of volcanism		(*)	
3510	1	36.19	0.7	biotite	conventional K-Ar	103(E-29)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.57	4.51	86			age of volcanism			
3511	1	38.73	1.3	hornblende	conventional K-Ar	104(PS68-5)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.621	0.35	54			age of intrusion			
3512	1	35.45	0.7	sanidine	conventional K-Ar	105(E-14)	"4.72E-04, 0.585E-04, 1.19E-04*"	11.39	5.87	97			age of intrusion			
3513	1	33.83	1	biotite	conventional K-Ar	106(E-15)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.83	3.85	34			age of volcanism			
3513	2	35.54	0.7	sanidine	conventional K-Ar	106(E-15)	"4.72E-04, 0.585E-04, 1.19E-04*"	11.92	6.16	92			age of volcanism			
3514	1	36.39	0.7	biotite	conventional K-Ar	107(E-19)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.69	4.07	88			age of intrusion			
3514	2	35.86	0.7	sanidine	conventional K-Ar	107(E-19)	"4.72E-04, 0.585E-04, 1.19E-04*"	12.33	6.43	98			age of intrusion			
3515	1	38.98	0.8	biotite	conventional K-Ar	109(PS64B-17)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.58	4.3	91			age of volcanism			
3516	1	35.93	0.8	biotite	conventional K-Ar	110A	"4.72E-04, 0.585E-04, 1.19E-04*"	8.44	4.41	95			age of volcanism			
3517	1	35.9	0.8	biotite	conventional K-Ar	110B(PS64B-18)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.7	4.02	83			age of volcanism			
3518	1	37.11	0.7	biotite	conventional K-Ar	111(E-16)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.78	4.74	89			age of volcanism			
3519	1	37.65	1.3	biotite	conventional K-Ar	112(PS68-1)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.38	4.59	74			age of volcanism			
3520	1	36.47	1.3	hornblende	conventional K-Ar	113(PS68-6)	"4.72E-04, 0.585E-04, 1.19E-04*"	1.15	0.61	57			age of volcanism			
3521	1	34.66	1	whole rock	conventional K-Ar	114(E-8)	"4.72E-04, 0.585E-04, 1.19E-04*"	3.85	1.94	94			age of volcanism		(HIGH POTASSIUM VALUE FOR BASALT--COMPILER)	
3522	1	34.71	0.7	biotite	conventional K-Ar	115(E-27)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.77	3.92	74			age of volcanism			
3523	1	37.32	1.3	biotite	conventional K-Ar	116(PS68-2)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.94	4.31	85			age of intrusion			
3524	1	35.35	1.4	biotite	conventional K-Ar	117(E64B-3)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.49	3.85	75			age of intrusion			
3525	1	34.56	0.7	sanidine	conventional K-Ar	119(E-32)	"4.72E-04, 0.585E-04, 1.19E-04*"	12.52	6.29	96			age of volcanism			
3526	1	33.94	1	whole rock	conventional K-Ar	120(E-12)	"4.72E-04, 0.585E-04, 1.19E-04*"	2.21	1.09	59			age of volcanism			
3527	1	23.62	0.9	sanidine	conventional K-Ar	122(B68-119)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.84	3.71	82			age of volcanism			
3528	1	22.64	0.9	sanidine	conventional K-Ar	123(PS65B-27)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.02	2.63	82			age of volcanism			
3529	1	35.48	1.3	hornblende	conventional K-Ar	125(PS68-3)	"4.72E-04, 0.585E-04, 1.19E-04*"	1.26	0.65	52			age of volcanism			
3530	1	36.02	1.9	plagioclase	conventional K-Ar	126(PS65B-35)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.42	0.22	10			age of volcanism			
3531	1	35.24	0.7	biotite	conventional K-Ar	127(E-21)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.55	4.38	93			age of volcanism			
3532	1	35.94	1.4	biotite	conventional K-Ar	136	"4.72E-04, 0.585E-04, 1.19E-04*"	8.65	4.52	72			age of volcanism			
3533	1	36.44	1.4	biotite	conventional K-Ar	137	"4.72E-04, 0.585E-04, 1.19E-04*"	8.34	4.42	80			age of volcanism			
3534	1	35.46	1.9	biotite	conventional K-Ar	138	"4.72E-04, 0.585E-04, 1.19E-04*"	8.38	4.32	62			age of volcanism			
3535	1	35.61	1.4	biotite	conventional K-Ar	139	"4.72E-04, 0.585E-04, 1.19E-04*"	8.69	4.5	21			age of volcanism			
3536	1	33.99	0.7	biotite	conventional K-Ar	140	"4.72E-04, 0.585E-04, 1.19E-04*"	5.79	2.86	65			age of volcanism			
3537	1	35.36	0.7	biotite	conventional K-Ar	141	"4.72E-04, 0.585E-04, 1.19E-04*"	8.5	4.37	3281			age of intrusion		AVERAGE OF TWO ARGON ANALYSES	
3538	1	24.9	0.6	sanidine	conventional K-Ar	145	"4.72E-04, 0.585E-04, 1.19E-04*"	9.91	3.57	95			age of volcanism			
3538	2	28.35	0.5	biotite	conventional K-Ar	145	"4.72E-04, 0.585E-04, 1.19E-04*"	7.34	3.02	77			age of volcanism			
3539	1	37.47	0.7	biotite	conventional K-Ar	146	"4.72E-04, 0.585E-04, 1.19E-04*"	8.77	4.78	90			age of intrusion			
3540	1	14.55	0.3	sanidine	conventional K-Ar	147	"4.72E-04, 0.585E-04, 1.19E-04*"	7.7	1.62	88			age of volcanism			
3541	1	38.03	0.7	sanidine	conventional K-Ar	148	"4.72E-04, 0.585E-04, 1.19E-04*"	11.26	6.23	92			age of intrusion			
3541	2	38	0.7	biotite	conventional K-Ar	148	"4.72E-04, 0.585E-04, 1.19E-04*"	8.7	4.81	84			age of intrusion			
3542	1	42.45	0.8	biotite	conventional K-Ar	149	"4.72E-04, 0.585E-04, 1.19E-04*"	7.26	4.49	82			age of intrusion			
3543	1	81.54	2	biotite	conventional K-Ar	G-B0553/NBM-AD11	"4.72E-04, 0.585E-04, 1.19E-04*"	9.16	11	6973			minimum age of intrusion		REPLICATE ANALYSES	
3544	1	11.02	1.2	biotite	conventional K-Ar	G-B0642/NBM-AD13	"4.72E-04, 0.585E-04, 1.19E-04*"	8.36	1.33	3040			minimum age of intrusion		REPLICATE ANALYSES	A DIKE SWARM CUTS THIS PLUTON; AGE REFLECTS REHEATING
3545	1	48.34	2	biotite	conventional K-Ar	G-B0805/NBM-AD17	"4.72E-04, 0.585E-04, 1.19E-04*"	3.87	2.73	5658			minimum age of intrusion		REPLICATE ANALYSES (LOW POTASSIUM VALUE FOR BIOTITE--COMPILER)	
3546	1	90.98	2.7	biotite	conventional K-Ar	G-B0835/NBM-AD18	"4.72E-04, 0.585E-04, 1.19E-04*"	9.23	12.4	9195			age of intrusion		REPLICATE ANALYSES	
3547	1	78.73	2.8	biotite	conventional K-Ar	G-B0836/NBM-AD19	"4.72E-04, 0.585E-04, 1.19E-04*"	8.89	10.3	8693			age of intrusion		REPLICATE ANALYSES	
3548	1	161.26	6	biotite	conventional K-Ar	G-B0837/NBM-AD20	"4.72E-04, 0.585E-04, 1.19E-04*"	7	17	8895			age of intrusion		REPLICATE ANALYSES	
3549	1	14.36	0.6	biotite	conventional K-Ar	G-B0920/NBM-AD23	"4.72E-04, 0.585E-04, 1.19E-04*"	7.47	1.55	6061			age of intrusion		REPLICATE ANALYSES	
3550	1	89.67	2.7	biotite	conventional K-Ar	G-B0921/NBM-AD24	"4.72E-04, 0.585E-04, 1.19E-04*"	8.84	11.7	8990			age of intrusion		REPLICATE ANALYSES	
3551	1	92.67	2.7	biotite	conventional K-Ar	G-B0922/NBM-AD25	"4.72E-04, 0.585E-04, 1.19E-04*"	8.4	11.5	9093			age of intrusion		REPLICATE ANALYSES	
3552	1	92.56	2.7	biotite	conventional K-Ar	G-B0997/NBM-AD28	"4.72E-04, 0.585E-04, 1.19E-04*"	8.63	11.8	8182			age of intrusion		REPLICATE ANALYSES	
3553	1	95.3	2.9	biotite	conventional K-Ar	G-B1291/NBM-AD33	"4.72E-04, 0.585E-04, 1.19E-04*"	8.53	12.02	92			age of intrusion		REPLICATE ANALYSES	
3554	1	105.62	6	hornblende	conventional K-Ar	G-A1328/NBM-AD36	"4.72E-04, 0.585E-04, 1.19E-04*"	1.06	1.66	7479			age of intrusion		REPLICATE ANALYSES	
3555	1	97.98	3	biotite	conventional K-Ar	G-B1329/NBM-AD38	"4.72E-04, 0.585E-04, 1.19E-04*"	7.85	11.38	8184			age of intrusion		REPLICATE ANALYSES	
3556	1	127.04	9	hornblende	conventional K-Ar	G-A1525/NBM-SCP28	"4.72E-04, 0.585E-04, 1.19E-04*"	0.428	0.811	3336			age of intrusion		REPLICATE ANALYSES	
3557	1	150.3	8	hornblende	conventional K-Ar	G-A1526/NBM-SCP120	"4.72E-04, 0.585E-04, 1.19E-04*"	0.417	0.941	4955			age of intrusion		REPLICATE ANALYSES	
3558	1	102.4	3	biotite	conventional K-Ar	G-B0919/NBM-AD22	"4.72E-04, 0.585E-04, 1.19E-04*"	8.57	13	92			minimum age of intrusion	HYDROBIOTITE FROM MINERALIZING SOLUTIONS		"AGE OF MINERALIZATION, ALTERATION, AND INTRUSION"
3571	1	39.63	1.3	K feldspar	conventional K-Ar	146	"4.72E-04, 0.585E-04, 1.19E-04*"	5.96	3.438	80			age of intrusion		"ANALYTICAL DATA SUPPLIED BY R.F. MARVIN, USGS, DENVER, COLORADO"	
3571	2	39.27	1.3	biotite	conventional K-Ar	146	"4.72E-04, 0.585E-04, 1.19E-04*"	7.41	4.235	81			age of intrusion		"ANALYTICAL DATA SUPPLIED BY R.F. MARVIN, USGS, DENVER, COLORADO"	
3572	1	42.44	1.4	biotite	conventional K-Ar	188	"4.72E-04, 0.585E-04, 1.19E-04*"	7.26	4.488	82			age of volcanism		"ANALYTICAL DATA SUPPLIED BY R.F. MARVIN, USGS, DENVER, COLORADO"	
3573	1	38.02	1.3	biotite	conventional K-Ar	174	"4.72E-04, 0.585E-04, 1.19E-04*"	8.7	4.813	84			age of volcanism		"ANALYTICAL DATA SUPPLIED BY R.F. MARVIN, USGS, DENVER, COLORADO"	
3573	2	38.03	1	sanidine	conventional K-Ar	174	"4.72E-04, 0.585E-04, 1.19E-04*"	11.26	6.231	92			age of volcanism		"UNPUBLISHED AGE AND ANALYTICAL DATA SUPPLIED BY R.F. MARVIN, USGS, DENVER, COLORADO"	
3574	1	26.28	1.3	K feldspar	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04*"	6.9	2.63	78			age of volcanism			
3575	1	23.8	0.8	biotite	conventional K-Ar	2	"4.72E-04, 0.585E-04, 1.19E-04*"	7.66	2.642	62			age of volcanism			
3576	1	21.9	4	plagioclase	conventional K-Ar	3	"4.72E-04, 0.585E-04, 1.19E-04*"	0.457	0.145	24			age of volcanism			
3577	1	20.08	0.6	K feldspar	conventional K-Ar	4	"4.72E-04, 0.585E-04, 1.19E-04*"	5.95	1.73	68			age of volcanism			
3578	1	27.02	1.2	biotite	conventional K-Ar	5	"4.72E-04, 0.585E-04, 1.19E-04*"	8.37	3.28	30			age of volcanism			
3578	2	26.36	1.3	biotite	conventional K-Ar	5	"4.72E-04, 0.585E-04, 1.19E-04*"	8.37	3.2	71			age of volcanism			
3579	1	27		hornblende	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.584E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
3580	1	18.6	1.5	biotite	conventional K-Ar	KA-52	"4.72E-04, 0.585E-04, 1.19E-04"	7					"age of uplift and cooling, initial age disturbed by later metamorphism"		"POTASSIUM VALUE SUPPLIED BY C.H. THORMAN, USGS, DENVER, COLORADO"	
3581	1	42.4	3.4	biotite	conventional K-Ar	KA-53	"4.76E-04, 0.586E-04"	5.06					"age of uplift and cooling, initial age disturbed by later metamorphism"		"POTASSIUM VALUE SUPPLIED BY C.H. THORMAN, USGS, DENVER, COLORADO"	
3582	1	29.8	2.4	biotite	conventional K-Ar	KA-54	"4.72E-04, 0.585E-04, 1.19E-04"	3.29					age of uplift and cooling		"POTASSIUM VALUE SUPPLIED BY C.H. THORMAN, USGS, DENVER, COLORADO"	
3583	1	29.7	2.4	biotite	conventional K-Ar	KA-55	"4.72E-04, 0.585E-04, 1.19E-04"	7.02					initial age disturbed by later metamorphism		"POTASSIUM VALUE SUPPLIED BY C.H. THORMAN, USGS, DENVER, COLORADO"	
3584	1	41.5	3.3	biotite	conventional K-Ar	KA-68	"4.72E-04, 0.585E-04, 1.19E-04"	8.59					initial age disturbed by later metamorphism		"POTASSIUM VALUE SUPPLIED BY C.H. THORMAN, USGS, DENVER, COLORADO"	
3585	1	105	0.5	Unk		(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"						age of intrusion		NO ANALYTICAL DATA GIVEN	
3588	1	34		Unk	conventional K-Ar	(NOT GIVEN)	no decay constants given						age of volcanism		NO ANALYTICAL DATA GIVEN	
3589	1	15.27	0.5	biotite	conventional K-Ar	8(G/UCD-GAX17)	"4.72E-04, 0.585E-04, 1.19E-04*"	6.93	1.53	17			age of volcanism	MINERAL CONCENTRATE FROM ONE LARGE PUMICE BLOCK	ARGON VALUE IS AVERAGE OF FOUR ANALYSES	
3590	1	12.76	0.2	biotite	conventional K-Ar	9(USGS(M)-C1)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.09	1.492	48			age of volcanism			
3591	1	16.91	0.5	plagioclase	conventional K-Ar	11(USGS(M)-C9)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.359	0.0878	39			age of volcanism			
3592	1	13.81	0.3	hornblende	conventional K-Ar	22(USGS(M)-711-67)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.708	0.1413	49			age of volcanism	4% PYROXENE PRESENT		
3593	1	14.75	0.3	hornblende	conventional K-Ar	23(USGS(M)-668-G10)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.658	0.1403	43			age of volcanism	4% PYROXENE PRESENT		
3594	1	15.4	0.3	plagioclase	conventional K-Ar	24(USGS(M)-711-8)	"4.72E-04, 0.585E-04, 1.19E-04"	0.993	0.7144	43			age of intrusion		(*)	"MAY BE VOLCANIC NECK--VENT FOR ANDESITE FLOWS, NOW MINERALIZED"
3595	1	11.49	0.2	biotite	conventional K-Ar	26(USGS(M)712-1)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.47	1.405	50			age of intrusion			ANDESITE FLOWS COME FROM THIS INTRUSIVE VENT
3595	2	11.21	0.3	plagioclase	conventional K-Ar	26(USGS(M)712-1)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.594	0.0962	45			age of intrusion			
3595	3	11.9	0.3	hornblende	conventional K-Ar	26(USGS(M)-712-1)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.69	0.1186	38			age of intrusion			
3596	1	11.54	0.2	biotite	conventional K-Ar	27(USGS(M)710-7)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.36	1.393	74			age of volcanism			
3597	1	11.23	0.2	biotite	conventional K-Ar	28(USGS(M)-NTS10B)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.37	1.357	56			age of volcanism			
3597	2	11.25	0.2	sanidine	conventional K-Ar	28(USGS(M)-NTS10B)	"4.72E-04, 0.585E-04, 1.19E-04*"	11.3	1.836	64			age of volcanism			
3598	1	10.13	0.3	sanidine	conventional K-Ar	29(USGS(M)-BAGHDAD)	"4.72E-04, 0.585E-04, 1.19E-04*"	11.4	1.668	33			age of intrusion			
3598	2	10.47	0.4	plagioclase	conventional K-Ar	29(USGS(M)-BAGHDAD)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.693	0.1048	23			age of intrusion			
3599	1	2.58	0.1	biotite	conventional K-Ar	30(USGS(M)-670G4)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.75	0.3252	25			age of intrusion			
3600	1	2.58	0.2	biotite	conventional K-Ar	31(USGS(M)-610-1B)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.65	0.2844	25			age of intrusion			
3600	2	2.77	0.2	hornblende	conventional K-Ar	31(USGS(M)-610-1B)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.948	0.0379	18			age of intrusion			
3601	1	0.26	0.05	whole rock	conventional K-Ar	32(USGS(M)-672-2)	"4.72E-04, 0.585E-04, 1.19E-04*"	3.27	0.0121	7			age of volcanism			
3602	1	2.25	0.1	whole rock	conventional K-Ar	33(USGS(M)-611-5)	"4.72E-04, 0.585E-04, 1.19E-04*"	4.48	0.1451	29			age of volcanism			
3602	2	2.54	0.2	hornblende	conventional K-Ar	33(USGS(M)-611-5)	"4.72E-04, 0.585E-04, 1.19E-04*"	1.09	0.0399	21			age of volcanism	5% PYROXENE PRESENT		
3603	1	21.99	0.4	biotite	conventional K-Ar	70(Z15326-9A)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.57	2.73	76			age of volcanism			
3604	1	22.63	0.7	sanidine	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	10.42	3.417	59			age of volcanism			
3605	1	29.17	1	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.28	3.506	54			age of volcanism			
3607	1	30.62	1	sanidine	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.36	3.717	71			age of volcanism	"MCKEE AND OTHERS, 1971, REPORT MINERAL AS BIOTITE FOR THIS ANALYSIS--COMPILER"		
3608	1	35.63	1.2	hornblende	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.965	0.5	57			age of volcanism			
3609	1	25.13	0.8	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.36	3.046	47			age of volcanism			
3610	1	30.7	1	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	6.69	2.982	65			age of volcanism			
3612	1	36.13	3.3	hornblende	conventional K-Ar	G-A1674/NBM-AD40	"4.72E-04, 0.585E-04, 1.19E-04*"	0.59	0.31	1720			age of intrusion			
3613	1	96.98	3.2	sericite	conventional K-Ar	G-M1675/NBM-AD41	"4.72E-04, 0.585E-04, 1.19E-04*"	5.34	7.66	7273			minimum age of intrusion			METALLIZATION EITHER CONTEMPORANEOUS OR YOUNGER THAN ALTERATION; AGE OF ALTERATION
3614	1	22.6	0.6	sanidine	conventional K-Ar	C4	"4.72E-04, 0.585E-04, 1.19E-04*"	11	3.6	82			age of volcanism			
3615	1	23.62	0.6	sanidine	conventional K-Ar	B17	"4.72E-04, 0.585E-04, 1.19E-04*"	10.84	3.71	82			age of volcanism			
3616	1	31.75	0.8	sanidine	conventional K-Ar	W1	"4.72E-04, 0.585E-04, 1.19E-04*"	12.36	5.7	62			age of volcanism			
3617	1	31.08	0.8	sanidine	conventional K-Ar	W3	"4.72E-04, 0.585E-04, 1.19E-04*"	12.85	5.8	83			age of volcanism			
3617	2	32.46	0.8	biotite	conventional K-Ar	W3	"4.72E-04, 0.585E-04, 1.19E-04*"	8.78	4.14	49			age of volcanism			
3618	1	30.58	0.8	sanidine	conventional K-Ar	W4	"4.72E-04, 0.585E-04, 1.19E-04*"	13.04	5.79	84			age of volcanism			
3618	2	32.45	0.8	biotite	conventional K-Ar	W4	"4.72E-04, 0.585E-04, 1.19E-04*"	8.74	4.12	40			age of volcanism			
3619	1	30.93	0.8	sanidine	conventional K-Ar	W8	"4.72E-04, 0.585E-04, 1.19E-04*"	13.09	5.88	69			age of volcanism			
3619	2	31.43	0.8	biotite	conventional K-Ar	W8	"4.72E-04, 0.585E-04, 1.19E-04*"	8.85	4.04	81			age of volcanism			
3620	1	31.17	0.8	sanidine	conventional K-Ar	W9	"4.72E-04, 0.585E-04, 1.19E-04*"	12.35	5.59	73			age of volcanism			
3620	2	31.46	0.8	biotite	conventional K-Ar	W9	"4.72E-04, 0.585E-04, 1.19E-04*"	8.36	3.82	77			age of volcanism			
3621	1	32.06	0.8	sanidine	conventional K-Ar	P1	"4.72E-04, 0.585E-04, 1.19E-04*"	12.09	5.63	91			age of volcanism			
3622	1	30.89	0.8	sanidine	conventional K-Ar	P2	"4.72E-04, 0.585E-04, 1.19E-04*"	12.04	5.4	78			age of volcanism			
3622	2	31.47	0.8	biotite	conventional K-Ar	P2	"4.72E-04, 0.585E-04, 1.19E-04*"	8.38	3.83	41			age of volcanism			
3623	1	33.38	0.8	sanidine	conventional K-Ar	P3	"4.72E-04, 0.585E-04, 1.19E-04*"	12.41	6.02	89			age of volcanism			
3623	2	34.75	0.9	biotite	conventional K-Ar	P3	"4.72E-04, 0.585E-04, 1.19E-04*"	8.75	4.42	68			age of volcanism			
3624	1	32.79	0.8	biotite	conventional K-Ar	P4/PS65B-1	"4.72E-04, 0.585E-04, 1.19E-04*"	8.48	4.04	82			age of volcanism			
3624	2	33.46	0.8	biotite	conventional K-Ar	P4	"4.72E-04, 0.585E-04, 1.19E-04*"	8.7	4.23	75			age of volcanism			
3625	1	33.99	0.8	sanidine	conventional K-Ar	S2	"4.72E-04, 0.585E-04, 1.19E-04*"	12.59	6.22	86			age of volcanism			
3625	2	35.76	0.9	biotite	conventional K-Ar	S2	"4.72E-04, 0.585E-04, 1.19E-04*"	7.77	4.04	48			age of volcanism			
3626	1	34.09	0.8	sanidine	conventional K-Ar	S3	"4.72E-04, 0.585E-04, 1.19E-04*"	13.04	6.46	90			age of volcanism			
3626	2	35.84	0.9	biotite	conventional K-Ar	S3	"4.72E-04, 0.585E-04, 1.19E-04*"	8.25	4.3	42			age of volcanism			
3627	1	25.88	1	biotite	conventional K-Ar	G-B1945/NBM-AD45	"4.72E-04, 0.585E-04, 1.19E-04*"	8.66	3.25	45			age of volcanism			
3628	1	29.35	1.1	biotite	conventional K-Ar	G-B1788/NBM-AD43	"4.72E-04, 0.585E-04, 1.19E-04*"	8.522	3.63	43			age of volcanism			
3629	1	82.37	3	biotite	conventional K-Ar	G-B1928/NBM-AD46	"4.72E-04, 0.585E-04, 1.19E-04*"	7.796	9.46	68			age of intrusion			
3630	1	146.67	8	hornblende	conventional K-Ar	G-A1787/NBM-AD42	"4.72E-04, 0.585E-04, 1.19E-04*"	0.891	1.96	51			age of intrusion			
3631	1	15.03	0.4	adularia	conventional K-Ar	BUCKHORN	"4.72E-04, 0.585E-04, 1.19E-04*"	12.47	2.709	52						AGE OF MINERALIZATION
3632	1	89.32	1.7	biotite	conventional K-Ar	1. (MB-25)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.38	9.729	79			age of intrusion	3% CHLORITE; -20+60 MESH SAMPLE		
3633	1	89.08	1.7	biotite	conventional K-Ar	2. (MB-26)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.2	10.78	76			age of intrusion	LESS THAN 1% CHLORITE; -20+140 MESH SAMPLE		
3634	1	42.14	1.4	hornblende	conventional K-Ar	3. (MB-20)	"4.72E-04, 0.585E-04, 1.19E-04*"	0.685	0.4205	23			age of intrusion	LESS THAN 1% PYROXENE; -100+150 MESH SAMPLE		
3634	2	40.15	0.8	biotite	conventional K-Ar	3. (MB-20)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.2	4.209	62			age of intrusion	2% CHLORITE; -50+150 MESH SAMPLE		
3635	1	38.24	0.7	biotite	conventional K-Ar	4. (MB-12)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.43	4.691	66			age of intrusion	LESS THAN 1% CHLORITE; -48+80 MESH SAMPLE		
3636	1	38.22	0.7	biotite	conventional K-Ar	5. (MB-16)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.45	4.699	74			age of intrusion	LESS THAN 1% CHLORITE; -42+60 MESH SAMPLE		
3637	1	38.48	0.8	biotite	conventional K-Ar	6. (MB-21)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.82	4.939	60			age of intrusion	LESS THAN 1% SERICITE; -35+60 MESH SAMPLE		
3638	1	40.01	0.8	biotite	conventional K-Ar	7. (MB-9)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.78	4.532	83			age of intrusion	LESS THAN 1% IMPURITY; -80+100 MESH SAMPLE		
3638	2	39.75	0.8	hornblende	conventional K-Ar	7. (MB-9)	"4.72E-04, 0.585E-04, 1.19E-04*"	2.8	1.62	80			age of intrusion	10% BIOTITE; -80+100 MESH SAMPLE		
3639	1	39.19	0.8	biotite	conventional K-Ar	8. (MB-19)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.92	4.518	79			age of intrusion	1% CHLORITE; -60+150 MESH SAMPLE		
3640	1	39.42	0.8	biotite	conventional K-Ar	9. (MB-18)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.54	4.9	87			age of intrusion	LESS THAN 1% CHLORITE; -60+100 MESH SAMPLE		
3641	1	39.14	0.8	biotite	conventional K-Ar	10. (MB-23)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.05	5.155	82			age of intrusion	-40+80 MESH		
3642	1	38.96	0.8	biotite	conventional K-Ar	11. (MB-30)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.38	5.318	63			age of intrusion	-80+100 MESH		
3643	1	38.54	0.8	biotite	conventional K-Ar	11. (MB-40)	"4.72E-04, 0.585E-04, 1.19E-04*"	9	5.048	78			minimum age of intrusion	2% CHLORITE; -42+65 MESH SAMPLE		MAY BE AGE OF MINERALIZATION
3644	1	38.18	0.7	whole rock	conventional K-Ar	13. (MB-6500)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.51	5.283	81				"-100+150 MESH MATERIAL CONSISTING OF BIOTITE, K-FELDSPAR, WHITE MICA, QUARTZ, AND PLAGIOCLASE SEPARATED FROM PYRITE AND CHALCOPYRITE"		ALTERATION AGE; AGE OF MINERALIZATION
3645	1	38.03	0.7	whole rock	conventional K-Ar	14. (MB-52)	"4.72E-04, 0.585E-04, 1.19E-04*"	2.55	1.411	52				"-100+150 MESH MATERIAL CONSISTING OF BIOTITE, K-FELDSPAR, WHITE MICA, QUARTZ, AND PLAGIOCLASE SEPARATED FROM PYRITE AND CHALCOPYRITE"		ALTERATION AGE; AGE OF MINERALIZATION
3646	1	16.69	0.5	adularia	conventional K-Ar	REO MINE	"4.72E-04, 0.585E-04, 1.19E-04*"	15.57	3.758	85				ADULARIA HAS SANIDINE-FELDSPAR STRUCTURE ACCORDING TO X-RAY ANALYSIS		AGE OF MINERALIZATION
3647	1	14.64	0.4	adularia	conventional K-Ar	CROWN MINE	"4.72E-04, 0.585E-04, 1.19E-04*"	12.48	2.641	64				ADULARIA HAS SANIDINE-FELDSPAR STRUCTURE ACCORDING TO X-RAY ANALYSIS		AGE OF MINERALIZATION
3648	1	74.95	2	microcline	conventional K-Ar	BLACK CANYON MINE	"4.72E-04, 0.585E-04, 1.19E-04*"	15.32	16.88	95						MINIMUM AGE OF MINERALIZATION BECAUSE OF POSSIBLE LOSS OF ARGON BY MICROCLINE
3649	1	14.03	0.4	orthoclase	conventional K-Ar	KINDEGARTEN MINE	"4.72E-04, 0.585E-04, 1.19E-04*"	11.58	2.349	80						AGE OF MINERALIZATION
3650	1	22.11	0.6	orthoclase	conventional K-Ar	NEVADA WONDER MINE	"4.72E-04, 0.585E-04, 1.19E-04*"	7.68	2.46	81						AGE OF MINERALIZATION
3651	1	109.71	4	hornblende	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04*"	0.743	1.21	80			minimum age of intrusion	BETTER THAN 99% PURE; NO BIOTITE PRESENT		HORNBLENDE K-AR AGE MAY HAVE BEEN AFFECTED BY SUBSEQUENT THERMAL EVENT(S)
3651	2	83.4	3	biotite	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04*"	8.3	10.2	88			age of later metamorphism	BETTER THAN 99% PURE		
3652	1	15.35	0.8	biotite	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04*"	8.23	1.826	4359						AGE APPEARS TOO YOUNG
3652	2	22.36	1.2	sanidine	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04*"	10.66	3.453	6176			minimum age of volcanism			AGE APPEARS TOO YOUNG
3653	1	26.74	0.8	biotite	conventional K-Ar	2	"4.72E-04, 0.585E-04, 1.19E-04*"	8.52	3.304	75			age of volcanism			AGE ALSO PUBLISHED BY MARVIN (1968)
3653	2	25.31	0.7	sanidine	conventional K-Ar	2	"4.72E-04, 0.585E-04, 1.19E-04*"	4.56	1.673	85			minimum age of volcanism			AGE ALSO PUBLISHED BY MARVIN (1968)
3654	1	35.15	0.9	sanidine	conventional K-Ar	3	"4.72E-04, 0.585E-04, 1.19E-04*"	12.56	6.419	97			age of intrusion			
3655	1	36.37	1.1	biotite	conventional K-Ar	4	"4.72E-04, 0.585E-04, 1.19E-04*"	8.23	4.353	6467			age of volcanism			
3655	2	33.37	1	sanidine	conventional K-Ar	4	"4.72E-04, 0.585E-04, 1.19E-04*"	11.97	5.805	8995						AGE APPEARS TOO YOUNG
3656	1	25.57	1.5	glass	conventional K-Ar	5	"4.72E-04, 0.585E-04, 1.19E-04*"	4.79	1.776	84			minimum age of volcanism	NONHYDRATED		
3657	1	21.22	1	biotite	conventional K-Ar	6	"4.72E-04, 0.585E-04, 1.19E-04*"	7.72	2.372	4049			age of volcanism			
3657	2	21.35	1	sanidine	conventional K-Ar	6	"4.72E-04, 0.585E-04, 1.19E-04*"	10.52	3.253	8844			age of volcanism			
3658	1	22.23	0.8	sanidine	conventional K-Ar	10	"4.72E-04, 0.585E-04, 1.19E-04*"	10.49	3.378	6866			age of volcanism			
3659	1	29.49	1.1	biotite	conventional K-Ar	11	"4.72E-04, 0.585E-04, 1.19E-04*"	8.3	3.553	4952			age of volcanism			
3659	2	28.24	1	sanidine	conventional K-Ar	11	"4.72E-04, 0.585E-04, 1.19E-04*"	11.42	4.679	8272			age of volcanism			
3660	1	33.58	1.3	biotite	conventional K-Ar	16	"4.72E-04, 0.585E-04, 1.19E-04*"	8.44	4.118	7268			age of volcanism			
3660	2	31.63	0.9	sanidine	conventional K-Ar	16	"4.72E-04, 0.585E-04, 1.19E-04*"	11.72	5.384	8848			age of volcanism			
3661	1	38.31	1.3	biotite	conventional K-Ar	17	"4.72E-04, 0.585E-04, 1.19E-04*"	8.26	4.604	6162			age of volcanism			
3662	1	32.1	0.9	biotite	conventional K-Ar	18	"4.72E-04, 0.585E-04, 1.19E-04*"	8.94	4.169	8052			age of volcanism			
3663	1	26.65	1.8	biotite	conventional K-Ar	19	"4.72E-04, 0.585E-04, 1.19E-04*"	8.35	3.228	38			age of volcanism			
3664	1	31.62	1.1	biotite	conventional K-Ar	20	"4.72E-04, 0.585E-04, 1.19E-04*"	8.4	3.858	6236			age of volcanism			
3664	2	30.83	0.9	sanidine	conventional K-Ar	20	"4.72E-04, 0.585E-04, 1.19E-04*"	11.96	5.354	7658			age of volcanism			
3665	1	30.92	0.9	biotite	conventional K-Ar	21	"4.72E-04, 0.585E-04, 1.19E-04*"	8.41	3.776	6361			age of volcanism			
3665	2	30.56	0.9	sanidine	conventional K-Ar	21	"4.72E-04, 0.585E-04, 1.19E-04*"	11.67	5.179	8082			age of volcanism			
3666	1	10.48	0.9	whole rock	conventional K-Ar	22	"4.72E-04, 0.585E-04, 1.19E-04*"	1.62	0.2452	2123			age of volcanism			
3667	1	31.45	0.9	biotite	conventional K-Ar	23	"4.72E-04, 0.585E-04, 1.19E-04*"	8.52	3.891	5755			age of volcanism			
3667	2	30.65	0.9	sanidine	conventional K-Ar	23	"4.72E-04, 0.585E-04, 1.19E-04*"	11.47	5.104	9082			age of volcanism			
3668	1	31.34	1.1	biotite	conventional K-Ar	24	"4.72E-04, 0.585E-04, 1.19E-04*"	8.08	3.678	1675			age of volcanism			
3669	1	24.03	1.6	biotite	conventional K-Ar	25	"4.72E-04, 0.585E-04, 1.19E-04*"	8.37	2.915	5560			age of volcanism			
3670	1	30.27	1	biotite	conventional K-Ar	26	"4.72E-04, 0.585E-04, 1.19E-04*"	8.46	3.718	86			age of volcanism		USGS ANALYSIS	
3670	2	31.67	1	biotite	conventional K-Ar	26	"4.72E-04, 0.585E-04, 1.19E-04*"	8.7	4.002	62			age of volcanism		GEOCHRON LABORATORIES ANALYSIS	
3670	3	28.16	1.1	sanidine	conventional K-Ar	26	"4.72E-04, 0.585E-04, 1.19E-04*"	11.3	4.618	96			age of volcanism		USGS ANALYSIS	
3670	4	29.91	0.7	sanidine	conventional K-Ar	26	"4.72E-04, 0.585E-04, 1.19E-04*"	11.3	4.906	7763			age of volcanism		GEOCHRON LABORATORIES ANALYSIS	
3671	1	28.88	1.8	biotite	conventional K-Ar	27	"4.72E-04, 0.585E-04, 1.19E-04*"	8.18	3.428	6879			age of volcanism			
3671	2	14.77	0.7	sanidine	conventional K-Ar	27	"4.72E-04, 0.585E-04, 1.19E-04*"	10.43	2.227	5159						SPURIOUS AGE
3672	1	29.36	2	biotite	conventional K-Ar	28	"4.72E-04, 0.585E-04, 1.19E-04*"	8.22	3.503	6678			age of volcanism			
3673	1	25.87	1	biotite	conventional K-Ar	30	"4.72E-04, 0.585E-04, 1.19E-04*"	7.87	2.952	4845			age of volcanism			
3673	2	24.76	0.9	sanidine	conventional K-Ar	30	"4.72E-04, 0.585E-04, 1.19E-04*"	12.13	4.353	7185			age of volcanism			
3674	1	20.97	1.2	biotite	conventional K-Ar	32	"4.72E-04, 0.585E-04, 1.19E-04*"	8.24	2.502	6970						AGE APPEARS TOO YOUNG
3674	2	23.28	0.9	sanidine	conventional K-Ar	32	"4.72E-04, 0.585E-04, 1.19E-04*"	11.79	3.978	9287			minimum age of volcanism			
3675	1	29.43	1.3	biotite	conventional K-Ar	33	"4.72E-04, 0.585E-04, 1.19E-04*"	8.61	3.678	3672			age of volcanism		GEOCHRON LABORATORIES ANALYSIS	
3675	2	27.01	1	biotite	conventional K-Ar	33	"4.72E-04, 0.585E-04, 1.19E-04*"	8.83	3.46	89			age of volcanism		USGS ANALYSIS	
3675	3	29.05	0.8	sanidine	conventional K-Ar	33	"4.72E-04, 0.585E-04, 1.19E-04*"	12.1	5.102	94			age of volcanism		USGS ANALYSIS	
3676	1	5.85	0.2	whole rock	conventional K-Ar	34	"4.72E-04, 0.585E-04, 1.19E-04*"	1.465	0.1236	51			age of volcanism			
3677	1	19.26	0.8	sanidine	conventional K-Ar	35	"4.72E-04, 0.585E-04, 1.19E-04*"	12.12	3.378	6972			age of intrusion			
3678	1	25.94	1.1	biotite	conventional K-Ar	36	"4.72E-04, 0.585E-04, 1.19E-04*"	8.28	3.114	85			age of volcanism			
3678	2	25.49	0.6	sanidine	conventional K-Ar	36	"4.72E-04, 0.585E-04, 1.19E-04*"	11.72	4.331	96			age of volcanism			
3679	1	26.78	1.3	glass	conventional K-Ar	37	"4.72E-04, 0.585E-04, 1.19E-04*"	4.83	1.876	8485			age of volcanism	NONHYDRATED		
3680	1	26.04	0.6	biotite	conventional K-Ar	38	"4.72E-04, 0.585E-04, 1.19E-04*"	8.58	3.24	77			age of volcanism			AGE ALSO PUBLISHED BY MARVIN (1968)
3680	2	24.44	0.6	sanidine	conventional K-Ar	38	"4.72E-04, 0.585E-04, 1.19E-04*"	5.42	1.92	85			age of volcanism			AGE ALSO PUBLISHED BY MARVIN (1968)
3681	1	24.27	1	biotite	conventional K-Ar	40	"4.72E-04, 0.585E-04, 1.19E-04*"	7.61	2.677	554819			age of volcanism		ARGON VALUE IS AVERAGE OF 3 ANALYSES	
3681	2	22.81	0.8	sanidine	conventional K-Ar	40	"4.72E-04, 0.585E-04, 1.19E-04*"	10.75	3.553	2021			age of volcanism			
3682	1	26.11	1.3	biotite	conventional K-Ar	41	"4.72E-04, 0.585E-04, 1.19E-04*"	8.46	3.203	7274			age of volcanism			
3683	1	28.31	0.9	biotite	conventional K-Ar	42	"4.72E-04, 0.585E-04, 1.19E-04*"	7.54	3.097	6370			age of volcanism		GEOCHRON LABORATORIES ANALYSIS	
3683	2	26.18	1	biotite	conventional K-Ar	42	"4.72E-04, 0.585E-04, 1.19E-04*"	7.83	2.973	87			age of volcanism		USGS ANALYSIS	
3683	3	22.56	0.7	sanidine	conventional K-Ar	42	"4.72E-04, 0.585E-04, 1.19E-04*"	11.36	3.713	8690			minimum age of volcanism		GEOCHRON LABORATORIES ANALYSIS	
3683	4	23.06	0.6	sanidine	conventional K-Ar	42	"4.72E-04, 0.585E-04, 1.19E-04*"	11.72	3.916	97			minimum age of volcanism		USGS ANALYSIS	
3684	1	30.65	1.2	biotite	conventional K-Ar	43	"4.72E-04, 0.585E-04, 1.19E-04*"	8.44	3.756	7472			age of volcanism		GEOCHRON LABORATORIES ANALYSIS	
3684	2	30.57	1	biotite	conventional K-Ar	43	"4.72E-04, 0.585E-04, 1.19E-04*"	8.22	3.649	87			age of volcanism		USGS ANALYSIS	
3684	3	27.82	1.1	sanidine	conventional K-Ar	43	"4.72E-04, 0.585E-04, 1.19E-04*"	11.63	4.694	9092			age of volcanism		GEOCHRON LABORATORIES ANALYSIS	
3684	4	30.39	0.7	sanidine	conventional K-Ar	43	"4.72E-04, 0.585E-04, 1.19E-04*"	11.48	5.066	96			age of volcanism		USGS ANALYSIS	
3685	1	27.65	0.8	biotite	conventional K-Ar	44	"4.72E-04, 0.585E-04, 1.19E-04*"	8.85	3.55	8789			age of volcanism			
3686	1	32.49	0.9	biotite	conventional K-Ar	45	"4.72E-04, 0.585E-04, 1.19E-04*"	8.3	3.918	7771			age of volcanism			
3686	2	32.79	1.4	sanidine	conventional K-Ar	45	"4.72E-04, 0.585E-04, 1.19E-04*"	12.29	5.855	6867			age of volcanism			
3687	1	31.23	0.9	biotite	conventional K-Ar	46	"4.72E-04, 0.585E-04, 1.19E-04*"	7.96	3.61	7270			age of volcanism			
3687	2	29.3	0.9	sanidine	conventional K-Ar	46	"4.72E-04, 0.585E-04, 1.19E-04*"	11.69	4.971	7690			age of volcanism			
3688	1	12.5	0.4	biotite	conventional K-Ar	60A	"4.72E-04, 0.585E-04, 1.19E-04"	7.66	1.71	62			age of volcanism		(*)	
3689	1	19.92	0.9	sanidine	conventional K-Ar	63	"4.72E-04, 0.585E-04, 1.19E-04*"	6.45	1.86	57			age of volcanism			
3690	1	23.37	1.3	sanidine	conventional K-Ar	64	"4.72E-04, 0.585E-04, 1.19E-04*"	5.7	1.93	40			age of volcanism			
3691	1	2.1	0.6	whole rock	conventional K-Ar	71	"4.72E-04, 0.585E-04, 1.19E-04*"	1.82	0.055	23			age of volcanism			
3692	1	23.12	0.7	biotite	conventional K-Ar	94	"4.72E-04, 0.585E-04, 1.19E-04*"	8.21	2.75	60			age of volcanism			AGE ALSO PUBLISHED BY MARVIN (1968)
3693	1	34.84	1.3	biotite	conventional K-Ar	95	"4.72E-04, 0.585E-04, 1.19E-04*"	8.55	4.33	74			age of volcanism			
3694	1	13.04	0.5	sanidine	conventional K-Ar	117	"4.72E-04, 0.585E-04, 1.19E-04*"	9.02	1.7	95			age of volcanism			
3695	1	14.38	0.2	biotite	conventional K-Ar	120	"4.72E-04, 0.585E-04, 1.19E-04*"	8.68	1.804	82			age of volcanism			
3696	1	13.96	0.2	biotite	conventional K-Ar	121	"4.72E-04, 0.585E-04, 1.19E-04*"	8.28	1.671	74			age of volcanism			
3697	1	13.48	0.2	biotite	conventional K-Ar	122	"4.72E-04, 0.585E-04, 1.19E-04*"	7.93	1.545	67			age of volcanism			
3698	1	14.03	0.2	biotite	conventional K-Ar	123	"4.72E-04, 0.585E-04, 1.19E-04*"	8.54	1.732	76			age of volcanism			
3699	1	12.3	0.4	whole rock	conventional K-Ar	124	"4.72E-04, 0.585E-04, 1.19E-04*"	4.78	0.8491				age of volcanism			
3700	1	13.9	0.3	biotite	conventional K-Ar	125	"4.72E-04, 0.585E-04, 1.19E-04*"	7.64	1.535	50			age of volcanism			
3701	1	31.66	3	biotite	conventional K-Ar	131	"4.72E-04, 0.585E-04, 1.19E-04*"	6.96	3.2	62			age of volcanism			AGE ALSO PUBLISHED BY MARVIN (1968)
3702	1	34.42	1.2	biotite	conventional K-Ar	134	"4.72E-04, 0.585E-04, 1.19E-04*"	8.08	4.043	5740					GEOCHRON LABORATORIES ANALYSIS	AGE APPEARS TOO OLD
3702	2	29.41	1.8	hornblende	conventional K-Ar	134	"4.72E-04, 0.585E-04, 1.19E-04*"	0.86	0.3671	74			age of volcanism		USGS ANALYSIS	
3703	1	34.04	1.2	sanidine	conventional K-Ar	135	"4.72E-04, 0.585E-04, 1.19E-04*"	10.12	5.006	8476						AGE APPEARS TOO OLD IN COMPARISON WITH OTHER AGES IN STRATIGRAPHIC SEQUENCE
3704	1	20.06	0.8	sanidine	conventional K-Ar	140	"4.72E-04, 0.585E-04, 1.19E-04*"	10.81	3.14	91			age of volcanism			THE RESULTS OF THIS SAME ANALYSIS IS REPORTED AS 19.6+/-2.8 IN EKRON AND OTHERS (1977)
3705	1	25.99	1	sanidine	conventional K-Ar	146	"4.72E-04, 0.585E-04, 1.19E-04*"	4.75	1.79	82			age of volcanism			
3706	1	15.49	0.6	sanidine	conventional K-Ar	147	"4.72E-04, 0.585E-04, 1.19E-04*"	6.52	1.46	72			age of volcanism			
3707	1	13.29	0.2	biotite	conventional K-Ar	155	"4.72E-04, 0.585E-04, 1.19E-04*"	7.66	1.471	75			age of volcanism			
3708	1	13.42	0.2	biotite	conventional K-Ar	158	"4.72E-04, 0.585E-04, 1.19E-04*"	6.39	1.239	78			age of volcanism			
3709	1	10.19	0.5	whole rock	conventional K-Ar	167	"4.72E-04, 0.585E-04, 1.19E-04*"	5.83	0.858	12			age of volcanism			
3710	1	12.62	0.4	whole rock	conventional K-Ar	172	"4.72E-04, 0.585E-04, 1.19E-04*"	2.45	0.4466	60			age of volcanism			
3711	1	12.79	0.2	biotite	conventional K-Ar	173	"4.72E-04, 0.585E-04, 1.19E-04*"	6.21	1.148	71			age of volcanism			
3712	1	14.19	0.2	biotite	conventional K-Ar	176	"4.72E-04, 0.585E-04, 1.19E-04*"	8	1.641	57			age of volcanism			
3713	1	15.74	0.47	hornblende	conventional K-Ar	KA2493	"4.72E-04, 0.585E-04, 1.19E-04*"	0.7891	0.1796	41			age of volcanism			
3714	1	12.41	0.39	plagioclase	conventional K-Ar	KA2362	"4.72E-04, 0.585E-04, 1.19E-04*"	0.6478	0.1161	41			age of volcanism			
3714	2	12.36	0.5	hornblende	conventional K-Ar	KA2364	"4.72E-04, 0.585E-04, 1.19E-04*"	0.742	0.1325	29			age of volcanism			
3714	3	12.64	0.31	biotite	conventional K-Ar	KA2368	"4.72E-04, 0.585E-04, 1.19E-04*"	7.376	1.3469	31			age of volcanism			
3715	1	12.73	0.17	biotite	conventional K-Ar	KA2372	"4.72E-04, 0.585E-04, 1.19E-04*"	6.612	1.2161	42			age of intrusion			
3715	2	13.25	0.45	hornblende	conventional K-Ar	KA2373	"4.72E-04, 0.585E-04, 1.19E-04*"	0.76	0.1456	36			age of intrusion			
3716	1	11.69	0.54	biotite	conventional K-Ar	KA2379R	"4.72E-04, 0.585E-04, 1.19E-04*"	7.362	1.2426	18			age of volcanism			
3717	1	13.29	0.39	plagioclase	conventional K-Ar	KA2375	"4.72E-04, 0.585E-04, 1.19E-04*"	0.6311	0.1212	46			age of volcanism			
3717	2	12	0.5	hornblende	conventional K-Ar	KA2380	"4.72E-04, 0.585E-04, 1.19E-04*"	0.8059	0.1147	28			age of volcanism		(*)	
3718	1	12	0.34	plagioclase	conventional K-Ar	KA2381	"4.72E-04, 0.585E-04, 1.19E-04*"	0.6981	0.121	49			age of volcanism			
3718	2	13.17	0.67	hornblende	conventional K-Ar	KA2440	"4.72E-04, 0.585E-04, 1.19E-04*"	0.7032	0.1338	22			age of volcanism			
3719	1	10.98	1.45	plagioclase	conventional K-Ar	KA2438	"4.72E-04, 0.585E-04, 1.19E-04*"	0.5004	0.0793	8			minimum age of volcanism			AGE APPEARS LOW
3719	2	13.49	0.45	hornblende	conventional K-Ar	KA2503	"4.72E-04, 0.585E-04, 1.19E-04*"	0.7942	0.1548	36			age of volcanism			
3720	1	11.8	0.24	hornblende	conventional K-Ar	KA2501	"4.72E-04, 0.585E-04, 1.19E-04*"	0.868	0.148	64			age of volcanism			
3720	2	9.84	0.09	biotite	conventional K-Ar	KA2434	"4.72E-04, 0.585E-04, 1.19E-04*"	7.983	1.1342	61						AGE APPEARS SOMEWHAT LOW
3721	1	11.79	0.52	plagioclase	conventional K-Ar	KA2581	"4.72E-04, 0.585E-04, 1.19E-04*"	0.7427	0.1265	26			age of volcanism			
3722	1	9.74	0.44	plagioclase	conventional K-Ar	KA2431	"4.72E-04, 0.585E-04, 1.19E-04*"	0.7289	0.1025	29			age of volcanism			
3722	2	10.87	0.49	hornblende	conventional K-Ar	KA2432	"4.72E-04, 0.585E-04, 1.19E-04*"	0.7805	0.1225	25			age of volcanism			
3723	1	9.68	0.44	hornblende	conventional K-Ar	KA2439	"4.72E-04, 0.585E-04, 1.19E-04*"	0.6671	0.0932	24			age of volcanism			
3724	1	6.98	0.3	whole rock	conventional K-Ar	KA2341	"4.72E-04, 0.585E-04, 1.19E-04*"	2.426	0.2443	19			age of volcanism			
3725	1	6.93	0.06	whole rock	conventional K-Ar	KA2365	"4.72E-04, 0.585E-04, 1.19E-04*"	2.197	0.2195	64			age of volcanism			
3726	1	6.74	0.27	whole rock	conventional K-Ar	KA2366	"4.72E-04, 0.585E-04, 1.19E-04*"	2.562	0.2489	20			age of volcanism			
3727	1	6.75	0.12	whole rock	conventional K-Ar	KA2367	"4.72E-04, 0.585E-04, 1.19E-04*"	2.296	0.2235	41			age of volcanism			
3728	1	7.38	0.07	whole rock	conventional K-Ar	KA2369	"4.72E-04, 0.585E-04, 1.19E-04*"	2.096	0.223	66			age of volcanism			
3729	1	7.84	0.15	whole rock	conventional K-Ar	KA2496	"4.72E-04, 0.585E-04, 1.19E-04*"	1.9498	0.2206	42			age of volcanism			
3730	1	7.54	0.24	whole rock	conventional K-Ar	KA2497	"4.72E-04, 0.585E-04, 1.19E-04*"	1.667	0.1812	25			age of volcanism			
3731	1	7.67	0.3	whole rock	conventional K-Ar	KA2582	"4.72E-04, 0.585E-04, 1.19E-04*"	1.269	0.1403	26			age of volcanism			
3732	1	7.57	0.24	biotite	conventional K-Ar	KA2370	"4.72E-04, 0.585E-04, 1.19E-04*"	7.556	0.8255	25			age of volcanism			
3732	2	5.85	0.06	sanidine - plagioclase	conventional K-Ar	KA2502	"4.72E-04, 0.585E-04, 1.19E-04*"	3.113	0.2625	60			minimum age of volcanism			
3733	1	7.21	0.12	biotite	conventional K-Ar	KA2435	"4.72E-04, 0.585E-04, 1.19E-04*"	7.9563	0.827	42			age of volcanism			
3733	2	6.82	0.34	sanidine - plagioclase	conventional K-Ar	KA2437	"4.72E-04, 0.585E-04, 1.19E-04*"	4.563	0.4488	17			age of volcanism			
3734	1	7.32	0.16	biotite	conventional K-Ar	KA2428R	"4.72E-04, 0.585E-04, 1.19E-04*"	7.71	0.814	33			age of volcanism			
3734	2	6.09	0.05	sanidine - plagioclase	conventional K-Ar	KA2427	"4.72E-04, 0.585E-04, 1.19E-04*"	5.039	0.4425	74			minimum age of volcanism			
3735	1	5.91	0.7	plagioclase	conventional K-Ar	KA2494	"4.72E-04, 0.585E-04, 1.19E-04*"	0.8054	0.0686	9			age of volcanism			
3736	1	6.94	0.05	biotite	conventional K-Ar	KA2436	"4.72E-04, 0.585E-04, 1.19E-04*"	8.631	0.8636	60			age of volcanism			
3737	1	5.02	0.26	hornblende	conventional K-Ar	KA2491	"4.72E-04, 0.585E-04, 1.19E-04"	0.8872	0.042	21			age of volcanism		(*)	
3737	2	5.13	0.35	biotite	conventional K-Ar	KA2513	"4.72E-04, 0.585E-04, 1.19E-04*"	6.991	0.5169	13			age of volcanism			
3738	1	10.82	0.3	adularia	conventional K-Ar	USGS(M)-TA-1	"4.72E-04, 0.585E-04, 1.19E-04*"	8.15	1.273	2327						AGE OF MINERALIZATION
3739	1	32.61	1.2	biotite	conventional K-Ar	UCMP D-3426	"4.72E-04, 0.585E-04, 1.19E-04*"	8.423	3.991	6971			age of volcanism			"THIS AGE IS NEAR THE UPPER LIMIT OF THE CHADRONIAN NORTH AMERICAN LAND MAMMAL AGE (EVERNDEN AND OTHERS, 1964)"
3740	1	129.9	3	biotite	conventional K-Ar	YAG 767	"4.72E-04, 0.584E-04, 1.19E-04*"	8.38	16.25	90			age of intrusion			"AGREES WITH 124 M.Y. DATE BY MCDOWELL, 1966, BUT NOT WITH 150 M.Y. DATE REPORTED BY COATS AND OTHERS, 1965"
3741	1	153.1	3	biotite	conventional K-Ar	YAG 86	"4.72E-04, 0.584E-04, 1.19E-04*"	4.46	10.26	89			age of intrusion	A BIOTITE-HORNBLENDE MIXTURE		
3742	1	157.07	3	biotite - muscovite	conventional K-Ar	YAG 85	"4.72E-04, 0.584E-04, 1.19E-04*"	8.74	20.65	82			age of intrusion	5% CHLORITE PRESENT		
3743	1	154.18	3	biotite	conventional K-Ar	YAG 133	"4.72E-04, 0.584E-04, 1.19E-04*"	6.87	15.92	83			age of volcanism	7% GROUNDMASS PRESENT		
3744	1	136.73	3	hornblende	conventional K-Ar	YAG 131	"4.72E-04, 0.584E-04, 1.19E-04*"	0.489	1	4051			minimum age of intrusion	5% CHLORITE AND 5% ROCK IMPURITIES PRESENT		"THE LOW AGE MAY BE DUE TO ""DUTERIC"" ALTERATION"
3745	1	127.58	3	hornblende	conventional K-Ar	YAG 127	"4.72E-04, 0.584E-04, 1.19E-04*"	0.403	0.767	3842			minimum age of intrusion	3% CHLORITE AND 5% ROCK IMPURITIES PRESENT		"LOW AGE MAY BE DUE TO ""DUTERIC"" ALTERATION"
3746	1	143.95	3	hornblende	conventional K-Ar	YAG 126	"4.72E-04, 0.584E-04, 1.19E-04*"	0.89	1.92	46			minimum age of intrusion	2% CHLORITE AND 5% ROCK PRESENT		
3747	1	108.51	2	hornblende	conventional K-Ar	YAG 38	"4.72E-04, 0.584E-04, 1.19E-04*"	2.36	3.8	84			age of intrusion	4% BIOTITE AND 3% ROCK PRESENT		"AGREES WITH 109 M.Y. DATE OF MCDOWELL AND KULP, 1967"
3748	1	108.65	2	muscovite	conventional K-Ar	YAG 181	"4.72E-04, 0.584E-04, 1.19E-04*"	11.27	18.17	87						K-AR AGE HAS BEEN REDUCED BY A TERTIARY THERMAL
3749	1	67.73	1.4	muscovite	conventional K-Ar	YAG 184	"4.72E-04, 0.584E-04, 1.19E-04*"	8.29	8.237	77				5% BIOTITE AND 7% CHLORITE PRESENT		AGE HAS BEEN REDUCED BY SOME RECENT THERMAL EVENT
3750	1	113.47	2	muscovite - biotite	conventional K-Ar	YAG 190M	"4.72E-04, 0.584E-04, 1.19E-04*"	7.74	13.05	79				5% CHLORITE AND 5% ROCK PRESENT		AGE IS PROBABLY A HYBRID AGE DUE TO A TERTIARY THERMAL EVENT--THRUST FAULTING
3751	1	84.54	1	muscovite	conventional K-Ar	YAG 186	"4.72E-04, 0.584E-04, 1.19E-04*"	10.04	12.51	82						AGE IS PROBABLY A HYBRID AGE
3752	1	83.65	1.6	muscovite	conventional K-Ar	YAG 187	"4.72E-04, 0.584E-04, 1.19E-04*"	9.63	11.87	82				5% ROCK PRESENT		PROBABLY A HYBRID AGE
3753	1	12.48		hornblende	conventional K-Ar	66C422	"4.72E-04, 0.584E-04, 1.19E-04*"	0.517	0.0932	23			age of volcanism			
3754	1	12.96		biotite	conventional K-Ar	67W85	"4.72E-04, 0.584E-04, 1.19E-04*"	8.28	1.55	50			age of intrusion			
3755	1	12.22		hornblende	conventional K-Ar	67W86	"4.72E-04, 0.584E-04, 1.19E-04*"	0.748	0.132	33			age of volcanism			
3756	1	18.08		hornblende	conventional K-Ar	66CH213	"4.72E-04, 0.584E-04, 1.19E-04*"	0.558	0.146	34			age of volcanism			
3757	1	21.68		hornblende	conventional K-Ar	66CH159	"4.72E-04, 0.584E-04, 1.19E-04*"	0.742	0.233	36			age of intrusion			
3758	1	27.61		hornblende	conventional K-Ar	67W152	"4.72E-04, 0.584E-04, 1.19E-04*"	0.644	0.258	39			age of volcanism			
3759	1	137.45	1.5	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.691	17.87	92			age of intrusion	"FRESH, UNALTERED BIOTITE"		
3760	1	139.3	2	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.691	18.12	85			age of intrusion	FRESH BIOTITE FROM DIAMOND DRILL-CORE		
3761	1	90.01	3.4	sericite	conventional K-Ar	KIR-114	"4.72E-04, 0.585E-04, 1.19E-04*"	4.87	6.471	6357				2M(SUB 1) MUSCOVITE		AGE OF MINERALIZATION & ALTERATION
3762	1	90.79	3.3	sericite	conventional K-Ar	MAR-103	"4.72E-04, 0.585E-04, 1.19E-04*"	8.69	11.65	7079				2M(SUB 1) MUSCOVITE		AGE OF MINERALIZATION & ALTERATION
3763	1	94.74	2.8	sericite	conventional K-Ar	MB55	"4.72E-04, 0.585E-04, 1.19E-04*"	9.19	12.87	97			age of intrusion	2M(SUB 1) MUSCOVITE		ALSO AGE OF MINERALIZATION AND ALTERATION(?)
3764	1	94.44	2.8	sericite	conventional K-Ar	SEC. 4	"4.72E-04, 0.585E-04, 1.19E-04*"	10.33	14.42	98			age of intrusion	2M(SUB 1) MUSCOVITE		ALSO AGE OF MINERALIZATION AND ALTERATION(?)
3765	1	76.5	2.2	orthoclase	conventional K-Ar	GL-3A	"4.72E-04, 0.585E-04, 1.19E-04*"	14.39	16.19	96			age meaning uncertain (geologic factors)			
3765	2	68.68	2	sericite	conventional K-Ar	GL-3A	"4.72E-04, 0.585E-04, 1.19E-04*"	9.17	9.242	86			age meaning uncertain (geologic factors)	"FINE GRAINED, LESS THAN 0.01 MM"		
3765	3	82.86	3.3	sericite	conventional K-Ar	GL-3A	"4.72E-04, 0.585E-04, 1.19E-04*"	5.94	7.251	89			age meaning uncertain (geologic factors)	COARSE-GRAINED 0.1 TO 0.6 MM		
3766	1	14.5	1.4	glass	conventional K-Ar	3	"4.72E-04, 0.585E-04, 1.19E-04*"	6.06	1.27	24			minimum age of volcanism			AGE MAY BE TOO YOUNG
3766	2	16.65	1.3	sanidine	conventional K-Ar	3	"4.72E-04, 0.585E-04, 1.19E-04*"	7.31	1.76	31			age of volcanism			
3766	3	22.83	1.8	K feldspar	conventional K-Ar	3	"4.72E-04, 0.585E-04, 1.19E-04*"	5.35	1.77	31						AUTHORS CONSIDER THIS AGE UNREASONABLE WHEN COMPARED WITH AGES OF OTHER VOLCANIC UNITS
3767	1	17.1	1.5	plagioclase	conventional K-Ar	5	"4.72E-04, 0.585E-04, 1.19E-04*"	0.54	0.1334	14			age of volcanism			
3768	1	25.4	2	plagioclase	conventional K-Ar	6	"4.72E-04, 0.585E-04, 1.19E-04*"	0.52	0.1907	7			maximum age of volcanism			AGE MAY BE CONSIDERABLY TOO OLD
3769	1	16.47	0.5	K feldspar	conventional K-Ar	7	"4.72E-04, 0.585E-04, 1.19E-04*"	6.13	1.46	70			age of volcanism			
3770	1	18.33	0.5	K feldspar	conventional K-Ar	8	"4.72E-04, 0.585E-04, 1.19E-04*"	5.43	1.44	70			age of volcanism			
3771	1	18.33	0.5	sanidine	conventional K-Ar	9	"4.72E-04, 0.585E-04, 1.19E-04*"	8.22	2.18	71			age of volcanism			
3772	1	18.08	0.5	K feldspar	conventional K-Ar	10	"4.72E-04, 0.585E-04, 1.19E-04*"	2.37	0.62	56			age of volcanism			
3773	1	18.01	0.5	K feldspar	conventional K-Ar	11	"4.72E-04, 0.585E-04, 1.19E-04*"	5.45	1.42	67			age of volcanism			
3774	1	13.9	0.6	glass	conventional K-Ar	12	"4.72E-04, 0.585E-04, 1.19E-04*"	4.5	0.909	11			age of intrusion	NONHYDRATED		
3776	1	14.82	0.7	biotite	conventional K-Ar	27	"4.72E-04, 0.585E-04, 1.19E-04*"	7.98	1.71	14			age of volcanism			
3777	1	15.21	0.7	biotite	conventional K-Ar	28	"4.72E-04, 0.585E-04, 1.19E-04*"	7.96	1.75	77			age of volcanism			
3777	2	14.07	1.7	hornblende	conventional K-Ar	28	"4.72E-04, 0.585E-04, 1.19E-04*"	0.88	0.179	61			age of volcanism			
3778	1	28.62	0.8	biotite	conventional K-Ar	30	"4.72E-04, 0.585E-04, 1.19E-04*"	7.03	2.92	30			age of volcanism			
3779	1	15.14	0.5	plagioclase	conventional K-Ar	31	"4.72E-04, 0.585E-04, 1.19E-04*"	1.32	0.289	76			age of volcanism			
3780	1	30.4		biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
3781	1	99	5	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"						age of intrusion		NO ANALYTICAL DATA GIVEN	
3782	1	27.12	0.7	biotite	conventional K-Ar	LFL-66-GLD-71	"4.72E-04, 0.585E-04, 1.19E-04*"	7.645	3.008	76			age of volcanism		POTASSIUM VALUE DETERMINED BY ISOTOPE DILUTION	ANALYTICAL DATA CAME FROM MARVIN AND COLE (1978). NEW DECAY CONSTANTS CHANGE THE AGE TO 27.1 M.Y.
3783	1	65.09	1.2	muscovite	conventional K-Ar	5	"4.72E-04, 0.585E-04, 1.19E-04*"	10.475	9.995	82			initial age disturbed by later metamorphism		"8.70, 8.69% K"	
3784	1	48.35	1	muscovite	conventional K-Ar	8	"4.72E-04, 0.585E-04, 1.19E-04*"	10.246	7.228	80			initial age disturbed by later metamorphism		"8.50, 8.51% K"	
3785	1	34.46	1	biotite	conventional K-Ar	W1421	"4.72E-04, 0.585E-04, 1.19E-04*"	8.59	4.303	89			age of intrusion			
3785	2	33.65	1	sanidine	conventional K-Ar	W1421	"4.72E-04, 0.585E-04, 1.19E-04*"	12.46	6.093	76			age of intrusion			
3786	1	32.89	1	biotite	conventional K-Ar	W1416	"4.72E-04, 0.585E-04, 1.19E-04*"	8.39	4.009	81			age of volcanism			
3786	2	33.57	1	sanidine	conventional K-Ar	W1416	"4.72E-04, 0.585E-04, 1.19E-04*"	11.19	5.459	90			age of volcanism			
3787	1	32.3		Unk		(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism			
3790	1	39.4	1.5	adularia	conventional K-Ar	USGS(M)01063(67NC13)	"4.72E-04, 0.585E-04, 1.19E-04*"	14.82	8.5	75						AGE OF MINERALIZATION
3791	1	41		biotite		(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
3792	1	26.76	0.8	sanidine	conventional K-Ar	USGS RM1	"4.72E-04, 0.585E-04, 1.19E-04*"	12.26	4.758	76			age of volcanism			
3793	1	16.41	0.5	adularia	conventional K-Ar	USGS-DRS 120-68	"4.72E-04, 0.585E-04, 1.19E-04*"	15.97	3.79	90				SANIDINE STRUCTURE		AGE OF MINERALIZATION; THIS AGE ALSO PUBLISHED BY SILBERMAN AND MCKEE (1974) WITHOUT DEFINITE LOCATION OR ANALYTICAL DATA
3794	1	25.88	0.8	adularia	conventional K-Ar	USGS-DRS 146-68	"4.72E-04, 0.585E-04, 1.19E-04*"	15.76	5.915	72				SANIDINE STRUCTURE		AGE OF MINERALIZATION; THIS AGE ALSO PUBLISHED BY SILBERMAN AND MCKEE (1974) WITHOUT DEFINITE LOCATION OR ANALYTICAL DATA
3795	1	128.68	4	muscovite	conventional K-Ar	CAN-1	"4.72E-04, 0.585E-04, 1.19E-04*"	9.28	17.82	96						AGE OF ALTERATION (MINERALIZATION)
3796	1	23.38	0.7	sanidine	conventional K-Ar	CAN-3	"4.72E-04, 0.585E-04, 1.19E-04*"	11.18	3.788	98			age of volcanism			
3797	1	4.03	0.4	whole rock	conventional K-Ar	CAN-2	"4.72E-04, 0.585E-04, 1.19E-04*"	2.12	0.1231	1520			minimum age of volcanism		TWO ARGON ANALYSES	
3798	1	8.75	0.3	whole rock	conventional K-Ar	2701-2	"4.72E-04, 0.585E-04, 1.19E-04*"	1.69	0.2135	51			age of volcanism			
3799	1	14.96	0.4	biotite	conventional K-Ar	R-11	"4.72E-04, 0.585E-04, 1.19E-04*"	8.09	1.75	69			age of volcanism			
3799	2	15.05	0.4	sanidine	conventional K-Ar	R-11	"4.72E-04, 0.585E-04, 1.19E-04*"	8.93	1.943	90			age of volcanism			
3800	1	15.93	0.5	muscovite	conventional K-Ar	R-7	"4.72E-04, 0.585E-04, 1.19E-04*"	6.07	1.398	70						MINIMUM AGE OF ALTERATION
3801	1	15.72	0.5	biotite	conventional K-Ar	CD-31	"4.72E-04, 0.585E-04, 1.19E-04*"	9.1	2.068	47			age of volcanism			
3801	2	16.12	0.7	plagioclase	conventional K-Ar	CD-31	"4.72E-04, 0.585E-04, 1.19E-04*"	1.17	0.2727	34			age of volcanism			
3802	1	15.43	0.5	adularia	conventional K-Ar	CD-8	"4.72E-04, 0.585E-04, 1.19E-04*"	9.8	2.187	71				ORTHOCLASE STRUCTURE DETERMINED BY X-RAY		AGE OF MINERALIZATION
3803	1	158.94	3	biotite	conventional K-Ar	MB43	"4.72E-04, 0.585E-04, 1.19E-04*"	9.08	21.72	94			age not evaluated			
3803	2	171.97	3	hornblende	conventional K-Ar	MB43	"4.72E-04, 0.585E-04, 1.19E-04*"	0.701	1.821	87			age of intrusion			
3804	1	8.41	0.6	whole rock	conventional K-Ar	E-15	"4.72E-04, 0.585E-04, 1.19E-04*"	0.2	0.0243	13			age of volcanism			
3805	1	8.01	0.5	whole rock	conventional K-Ar	54NC93	"4.72E-04, 0.585E-04, 1.19E-04*"	0.19	0.022	20			age of volcanism			
3806	1	10.87	1	whole rock	conventional K-Ar	61NC18	"4.72E-04, 0.585E-04, 1.19E-04*"	0.35	0.0549	7			age of intrusion			
3807	1	8.69	0.7	whole rock	conventional K-Ar	6238-2J	"4.72E-04, 0.585E-04, 1.19E-04*"	0.34	0.0427	10			age of volcanism			
3808	1	23.04	0.7	biotite	conventional K-Ar	6-147	"4.72E-04, 0.585E-04, 1.19E-04*"	8.245	2.753	62			age of volcanism			
3809	1	14.76	0.4	plagioclase	conventional K-Ar	6-144	"4.72E-04, 0.585E-04, 1.19E-04*"	0.3395	0.0725	46			age of volcanism			
3810	1	15.24	0.4	hornblende	conventional K-Ar	May-71	"4.72E-04, 0.585E-04, 1.19E-04*"	0.6065	0.1336	20			age of intrusion			
3810	2	14.51	0.4	biotite	conventional K-Ar	May-71	"4.72E-04, 0.585E-04, 1.19E-04*"	8.03	1.684	53			age of intrusion			
3811	1	14.16	0.3	biotite	conventional K-Ar	5-267	"4.72E-04, 0.585E-04, 1.19E-04*"	5.97	1.222	60			age of volcanism			
3812	1	14.01	1.6	hornblende	conventional K-Ar	Apr-57	"4.72E-04, 0.585E-04, 1.19E-04*"	0.523	0.1059	8			minimum age of volcanism			
3813	1	13.01	0.4	biotite	conventional K-Ar	6-153	"4.72E-04, 0.585E-04, 1.19E-04*"	6.54	1.229	57			age of intrusion			
3813	2	13.24	0.4	hornblende	conventional K-Ar	6-153	"4.72E-04, 0.585E-04, 1.19E-04*"	0.58	0.111	37			age of intrusion			
3814	1	12.73	0.3	biotite	conventional K-Ar	96-159	"4.72E-04, 0.585E-04, 1.19E-04*"	8.2	1.508	41			age of intrusion			
3815	1	12.63	0.2	biotite	conventional K-Ar	99-157	"4.72E-04, 0.585E-04, 1.19E-04*"	7.38	1.347	65			age of volcanism			
3816	1	14.08	0.4	adularia	conventional K-Ar	May-89	"4.72E-04, 0.585E-04, 1.19E-04*"	15.82	3.22	91						AGE OF MINERALIZATION
3817	1	13.15	0.4	adularia	conventional K-Ar	May-41	"4.72E-04, 0.585E-04, 1.19E-04*"	16.14	3.066	70						AGE OF MINERALIZATION
3819	1	31.97	1	sanidine	conventional K-Ar	SR-476	"4.72E-04, 0.585E-04, 1.19E-04*"	7.075	3.285	90			age of volcanism		"ANALYTICAL DATA SUPPLIED BY R.F. MARVIN, USGS"	
3820	1	32.65	1.1	whole rock	conventional K-Ar	SR-425	"4.72E-04, 0.585E-04, 1.19E-04*"	2.475	1.174	86			age of intrusion		"ANALYTICAL DATA SUPPLIED BY R.F. MARVIN, USGS"	
3821	1	38.5	1.3	biotite	conventional K-Ar	SR-377	"4.72E-04, 0.585E-04, 1.19E-04*"	6.6	3.698	85			age of volcanism		"ANALYTICAL DATA SUPPLIED BY R.F. MARVIN, USGS"	
3822	1	37.8	1	biotite	conventional K-Ar	SR-442	"4.72E-04, 0.585E-04, 1.19E-04*"	8.79	4.83	82			age of intrusion		"ANALYTICAL DATA SUPPLIED BY R.F. MARVIN, USGS"	
3822	2	36.3	1.1	sanidine	conventional K-Ar	SR-442	"4.72E-04, 0.585E-04, 1.19E-04*"	11.76	6.21	92			age of intrusion		"ANALYTICAL DATA SUPPLIED BY R.F. MARVIN, USGS"	
3824	1	27.1	0.9	biotite	conventional K-Ar	267	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
3825	1	28	1	biotite	conventional K-Ar	675	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
3825	2	25.1	1.8	plagioclase	conventional K-Ar	675	"4.72E-04, 0.585E-04, 1.19E-04"						minimum age of volcanism		NO ANALYTICAL DATA GIVEN	
3826	1	27.8	1	biotite	conventional K-Ar	661	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
3826	2	26.1	0.9	sanidine	conventional K-Ar	661	"4.72E-04, 0.585E-04, 1.19E-04"						minimum age of volcanism		NO ANALYTICAL DATA GIVEN	
3827	1	27.2	1.1	biotite	conventional K-Ar	S-29	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
3827	2	31.7	1.8	hornblende	conventional K-Ar	S-29	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
3828	1	24.1	0.9	biotite	conventional K-Ar	662	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
3828	2	23.6	2	plagioclase	conventional K-Ar	662	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
3829	1	18.7	1.9	hornblende	conventional K-Ar	671	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
3829	2	17	2.5	plagioclase	conventional K-Ar	671	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
3830	1	17.7	2.4	hornblende	conventional K-Ar	665	"4.72E-04, 0.585E-04, 1.19E-04"						age of volcanism		NO ANALYTICAL DATA GIVEN	
3831	1	18.5	2.5	hornblende	conventional K-Ar	602	"4.72E-04, 0.585E-04, 1.19E-04"						age of intrusion		NO ANALYTICAL DATA GIVEN	
3831	2	18.9	2.8	plagioclase	conventional K-Ar	602	"4.72E-04, 0.585E-04, 1.19E-04"						age of intrusion		NO ANALYTICAL DATA GIVEN	
3832	1	18.7	2.5	hornblende	conventional K-Ar	664	"4.72E-04, 0.585E-04, 1.19E-04"						age of intrusion		NO ANALYTICAL DATA GIVEN	
3832	2	18.5	2.7	plagioclase	conventional K-Ar	664	"4.72E-04, 0.585E-04, 1.19E-04"						age of intrusion		NO ANALYTICAL DATA GIVEN	
3832	3	14.2	0.6	biotite	conventional K-Ar	664	"4.72E-04, 0.585E-04, 1.19E-04"								NO ANALYTICAL DATA GIVEN	AGE SEEMS RATHER LOW IN COMPARISON WITH HORNBLENDE AND PLAGIOCLASE AGES
3833	1	28.8		biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04"						minimum age of volcanism		NO ANALYTICAL DATA GIVEN	
3834	1	164.39	5	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	7.68	19.03	90			age of intrusion			
3835	1	164.04	5	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	9.06	22.4	92			age of intrusion			
3837	1	22.73	0.6	sanidine	conventional K-Ar	1	"4.72E-04, 0.585E-04, 1.19E-04*"	8.17	2.69	67			age of volcanism			
3838	1	24.32	0.6	sanidine	conventional K-Ar	2	"4.72E-04, 0.585E-04, 1.19E-04*"	10.47	3.69	84			age of volcanism			
3839	1	28.4	0.7	biotite	conventional K-Ar	(NOT GIVEN)	"4.72E-04, 0.585E-04, 1.19E-04*"	8.3	3.42	78			age of volcanism			
3840	1	31.38	0.8	biotite	conventional K-Ar	3	"4.72E-04, 0.585E-04, 1.19E-04*"	7.68	3.5	71			age of volcanism			
3841	1	30.8		biotite	conventional K-Ar	4	"4.72E-04, 0.585E-04, 1.19E-04*"	7.58	3.39	54			age of volcanism			
3842	1	31.87	0.8	sanidine	conventional K-Ar	5	"4.72E-04, 0.585E-04, 1.19E-04*"	9.96	4.61	85			age of volcanism			
3843	1	32.06	0.8	sanidine	conventional K-Ar	6	"4.72E-04, 0.585E-04, 1.19E-04*"	12.09	5.63	91			age of volcanism			
3844	1	33.13	0.8	sanidine	conventional K-Ar	7	"4.72E-04, 0.585E-04, 1.19E-04*"	10.2	4.91	92			age of volcanism			
3845	1	14.14	0.8	biotite	conventional K-Ar	62NC130	"4.72E-04, 0.585E-04, 1.19E-04*"	9.01	1.841	91			age of volcanism			
3846	1	40.6	2	sanidine	conventional K-Ar	62NC55	"4.72E-04, 0.585E-04, 1.19E-04*"	11.03	6.52	62			age of volcanism			
3847	1	15.93	0.7	plagioclase	conventional K-Ar	62NC182	"4.72E-04, 0.585E-04, 1.19E-04*"	1.885	0.4343	80			age of volcanism		"1.87%, 1.90% K2O"	
3848	1	16.36	0.7	plagioclase	conventional K-Ar	62NC181	"4.72E-04, 0.585E-04, 1.19E-04*"	2.825	0.6685	92			age of volcanism		"2.75%, 2.90% K2O"	
3849	1	34.23	3.3	biotite	conventional K-Ar	59NC143	"4.72E-04, 0.585E-04, 1.19E-04*"	5.69	2.831	18			age of volcanism			
3850	1	40.6	2	biotite	conventional K-Ar	60NC81	"4.72E-04, 0.585E-04, 1.19E-04*"	8.61	5.09	80			age of volcanism			
3851	1	16.59	0.7	plagioclase	conventional K-Ar	62NC183	"4.72E-04, 0.585E-04, 1.19E-04*"	2.96	0.7101	78			age of volcanism		"2.93%, 2.99% K2O"	
3852	1	15.37	0.7	plagioclase	conventional K-Ar	62NC184	"4.72E-04, 0.585E-04, 1.19E-04*"	3.66	0.8135	81			age of volcanism		"3.62%, 3.70% K2O"	
3853	1	41.06	1.2	biotite	conventional K-Ar	65NC