Data file creator																																																											
10/19/11	Lang Farmer																																																										
Georef Data	2007-064006																																																										
TI	Isotopic and geophysical constraints on the structure and evolution of the Clear Lake volcanic system																																																										
AU	"Hammersley, L; DePaolo, Donald J"																																																										
AF	"California State University, Department of Geology, Sacramento, CA, United States (USA); University of California at Berkeley, United States (USA)"																																																										
SO	"Journal of Volcanology and Geothermal Research, vol.153, no.3-4, pp.331-356, 15 May 2006"																																																										
IS	0377-0273																																																										
LA	English																																																										
PY	2006																																																										
PT	Serial; Analytic																																																										
CP	Netherlands (NLD)																																																										
CL	24 Quaternary geology; 02D Isotope geochemistry																																																										
CY	"GeoRef, Copyright 2007, American Geological Institute. Reference includes data from CAPCAS, Elsevier Scientific Publishers, Amsterdam, Netherlands"																																																										
UD	200716																																																										
AN	2007-064006																																																										
Sample Data																																																											
Item	Age	Max_age	Min_age	Latitude	Longitude	Loc_prec	SiO2	TiO2	 Al203	Fe203	FeO	MnO	MgO	CaO	Na2O	K2O	P2O5	H2O+ 	H2O	TOTAL	Cs 	Rb 	Ba 	Th 	U 	Ta 	La 	Ce 	Sr 	Nd 	Sm 	Zr 	Hf 	Eu 	Yb 	Lu 	Cs 	Rb 	Ba 	Th 	U 	Ta 	La 	Ce 	Sr 	Nd 	Sm 	Zr 	Hf 	Eu 	Yb 	Lu 	Sr87_Sr86	Nd143_Nd144	ROCK_TYPE	LOCATION	ROCK_CLASS	MATERIAL	STATE
Unit	Ma	Ma	Ma	dd	dd		Wt%	Wt%	Wt%	Wt%	Wt%	Wt%	Wt%	Wt%	Wt%	Wt%	Wt%	Wt%	Wt%	Wt%	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm	ppm							
Method	1	1	1	2	2	2	3	3	3	3	3	3	3	3	3	3	3	3	3	3	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	6	6					
Sample name																																																											
H75.42 	0.1	0.12	0.08	38.922368	-122.656747	0.01	54.3	1.1	16.7	4.2	2.8	0.1	6.6	8.5	3	0.8	0.24	0.5	0.05	98.89	1.2	19	362	3.9	0	0.65	20	37	497	18	4.8	133	2.8	1.41	1.9	0.32																	0.70369	0.512074	VOLCANIC	ROUNDTOP MOUNTAIN	BASALTIC ANDESITE	WHOLE ROCK	CALIFORNIA
FG73-76 	0.01	0.03	-0.01	39.039606	-122.667589	0.01	55.8	0.83	16.8	1.8	4.8	0.09	4.9	7.6	2.6	1.2	0.27	1.2	0.82	98.71	2.1	34	476	4.4	1.5	0.71	13	35	379	20	4.6	0	3.3	1.23	1.9	0.33																	0.70399	0.511996	VOLCANIC	HIGH VALLEY	BASALTIC ANDESITE	WHOLE ROCK	CALIFORNIA
FG74-76 	0.01	0.03	-0.01	39.043558	-122.633975	0.01	57	0.89	17.1	1.1	5.2	0.09	4.8	7.2	2.8	1.7	0.25	0.96	0.23	99.32	2.7	37	466	5.5	2.1	0.64	13	38	401	25	5.3	277	3.8	1.29	2	0.35																	0.70392	0.512013	VOLCANIC	HIGH VALLEY	BASALTIC ANDESITE	WHOLE ROCK	CALIFORNIA
H72.71B-1 	0.04	0.06	0.02	38.989846	-122.766174	0.01	57.1	0.8	16.7	1.6	4.2	0.11	6.3	7.9	2.8	1.2	0.14	0.55	0.26	99.66	1.1	25	308	3.2	0	0.45	15	32	502	13	3.6	434	2.4	1.11	1.4	0.29																	0.70328	0.512094	VOLCANIC	BUCKINGHAM PEAK	BASALTIC ANDESITE	WHOLE ROCK	CALIFORNIA
H72.60D 	0.01	0.03	-0.01	39.052192	-122.635382	0.01	57.4	0.88	16.7	3.5	3.2	0.11	5.1	7.2	2.9	1.6	0.21	1	0.06	99.86	2.8	51	428	4.9	0	0.67	22	41	359	16	4.4	420	3.4	1.28	2.2	0.34																	0.70396	0.511989	VOLCANIC	HIGH VALLEY	BASALTIC ANDESITE	WHOLE ROCK	CALIFORNIA
FG72-76 	0.01	0.03	-0.01	39.045019	-122.66783	0.01	57.5	0.88	16.9	1.3	4.8	0.1	4.8	7.2	2.7	1.4	0.22	1.1	0.42	99.32	2.7	37	571	5.4	2	0.77	16	40	395	24	5.5	0	3.8	1.34	2.2	0.35																	0.70392	0.512005	VOLCANIC	HIGH VALLEY	BASALTIC ANDESITE	WHOLE ROCK	CALIFORNIA
CL500 	0.1	0.12	0.08	38.971641	-122.654877	0.01	58.9	1.2	14.7	3.3	3.6	0.1	4.7	6.7	3.3	2.1	0.24	1	0.15	99.99	5.6	67	170	6.1	0	0.94	21	35	186	20	6.2	118	3.5	1.17	3.5	0.54																	0.70343	0.51214	VOLCANIC	ARROWHEAD ROAD	BASALTIC ANDESITE	WHOLE ROCK	CALIFORNIA
H75.40 	0.1	0.12	0.08	38.972628	-122.643745	0.01	64.3	0.85	14.1	0.58	4.4	0.08	3.4	5	3.4	2.8	0.18	0.39	0.04	99.52	8.5	116	137	10.1	0	1.13	25	45	131	23	7	155	3.9	0.9	3.9	0.6																	0.70335	0.512068	VOLCANIC	CLEARLAKE PARK	DACITE	WHOLE ROCK	CALIFORNIA
H72.52 	0.09	0.11	0.07	38.968675	-122.648395	0.01	76.3	0.03	12.9	0.31	0.72	0	0.45	0.67	3.6	4.5	0.03	0.21	0.04	99.76	15.1	217	138	16.8	0	1.45	38	53	13	31	6.9	168	3.7	0.14	4.1	0.58																	0.70791	0.511916	VOLCANIC	BORAX LAKE	RHYOLITE	WHOLE ROCK	CALIFORNIA
H74.34 	0.44	0.46	0.42	38.923801	-122.800458	0.01	58	1.9	16.8	2.5	5.3	0.12	2.7	5.8	4.1	1.9	0.47	0.37	0.02	99.98	2.8	58	557	5.6	0	1.2	29	60	332	20	6	444	4.4	1.92	3.1	0.49																	0.70377	0.512086	VOLCANIC	MCINTIRE CREEK	BASALTIC ANDESITE	WHOLE ROCK	CALIFORNIA
CL267 	0.45	0.47	0.43	38.962442	-122.73203	0.01	64.2	0.62	15.7	0.6	3.3	0.07	3.8	5.1	3.3	2.3	0.22	0.56	0.04	99.81	4.9	78	513	8.9	0	0.85	27	47	512	0	4.7	0	4	1.03	2	0.36																	0.70352	0.511964	VOLCANIC	KONOCTI BAY	DACITE	WHOLE ROCK	CALIFORNIA
H76.17D 	0.35	0.37	0.33	38.982512	-122.762784	0.01	65.2	0.54	16.9	0.67	2.7	0.05	2.7	4.8	3.4	2.5	0.17	0.44	0.17	100.24	5.4	76	450	10.3	3.5	0.75	20	49	467	22	5	129	3.7	0.99	1.8	0.34																	0.70348	0.512022	VOLCANIC	MT. KONOCTI 	DACITE	WHOLE ROCK	CALIFORNIA
H73.18A 	0.57	0.59	0.55	38.93204	-122.76049	0.01	68	0.39	15.2	2.1	0.88	0.02	1.2	1.8	3	3.4	0.11	2.4	1.1	99.6	6.2	127	622	16.7	0	1.04	39	61	231	25	7.4	136	4.1	0.57	1.4	0.26																	0.70387	0.511985	VOLCANIC	SULFUR MOUND MINE	RHYODACITE	WHOLE ROCK	CALIFORNIA
H75.21F 	0.59	0.61	0.57	38.947555	-122.833419	0.01	69.5	0.36	14	1.5	0.88	0.04	2.7	3.3	3.6	1.5	0.11	0.2	0.2	97.89	10.4	143	626	16.7	0	1.15	37	62		26	6.8	151	4.1	0.67	3.1	0.47																	0.7036	0.511989	VOLCANIC	CAMEL'S HUMP	RHYODACITE	WHOLE ROCK	CALIFORNIA
H76.46A 	0.6	0.62	0.58	38.938194	-122.748919	0.01	69.9	0.44	14.9	2.5	0.4	0.04	1.1	2	3.5	3.8	0.1	0.81	0.44	97.89	7.4	141	529	19.8	5.7	1.1	38	64	156	23	4.9	190	4.3	0.68	3	0.42																	0.70376	0.511986	VOLCANIC	SUGARLOAF	RHYODACITE	WHOLE ROCK	CALIFORNIA
H72.53C 	0.5	0.52	0.48	38.962103	-122.828105	0.01	72.4	0.26	13.8	0.46	0.76	0.01	0.14	1	3.1	4.6	0.01	2.8	0.26	99.6	13.7	186	516	22.6	0	1.21	48	71	87	29	5.5	124	4.5	0.43	2.3	0.46																	0.70475	0.511952	VOLCANIC	COLE CREEK	RHYOLITE	WHOLE ROCK	CALIFORNIA
H73.13 	0.84	0.86	0.82	38.893049	-122.729865	0.01	61.8	0.51	16.2	0.7	3.6	0.12	3.5	6	3.6	2.5	0.16	1.3	0.11	100.1	4.9	82	704	8.9	3.3	0.67	28	39	432	24	4.9	0	3	1.06	2.3	0.35																	0.70403	0.511902	VOLCANIC	SPLIT TOP RIDGE	ANDESITE	WHOLE ROCK	CALIFORNIA
CL243 	1	1.02	0.98	38.884134	-122.714943	0.01	61.9	0.89	18.3	1.4	3.3	0.07	2.5	5	3.2	2	0.37	0.84	0.16	99.93	1.1	60	916	7.1	0	0.76	35	47	457	0	5.5	0	4	1.81	3	0.49																	0.70485	0.511888	VOLCANIC	SALMINA FLAT	ANDESITE	WHOLE ROCK	CALIFORNIA
H74.91 	0.95	0.97	0.93	38.867421	-122.641032	0.01	62.8	0.6	16.6	1.3	3.6	0.06	3.9	5	3.1	2.1	0.25	0.53	0.19	100.03	1.8	54	654	6.2	0	0.54	25	47	624	16	4.2	0	3.5	1.19	1.3	0.28																	0.7041	0.511901	VOLCANIC	PERINI HILL	ANDESITE	WHOLE ROCK	CALIFORNIA
H75.09B 	1.08	1.1	1.06	38.822061	-122.737328	0.01	65.3	0.53	15.7	0.67	2.7	0.05	3.1	3.5	3.8	2.5	0.19	0.49	0.05	98.58	6.1	87	919	8.5	0	0.5	29	47	426	20	4.8	152	4	1.05	1.7	0.26																	0.70518	0.511861	VOLCANIC	COBB VALLEY	DACITE	WHOLE ROCK	CALIFORNIA
H75.08C 	1.05	1.07	1.03	38.814018	-122.7297	0.01	66.1	0.65	16.2	2.08	1.7	0.07	1.8	3.73	3.6	2.96	0.1	0.89	0.76	100.65	4.8	115	670	12.6	4.2	0.78	25	45	307	22	4	140	3.7	0.93	2.3	0.32																	0.70437	0.511982	VOLCANIC	COBB MTN.	RHYODACITE	WHOLE ROCK	CALIFORNIA
B1427 	0.9	0.92	0.88	38.902936	-122.770086	0.01	67.8	0.47	15.7	0.7	2.5	0.06	2.2	3.6	3.2	2.8	0.09	1.6	0.38	101.1	7.3	87	788	11.5	4	0.71	24	46	324	22	4.3	131	3.7	0.74	2.2	0.32																	0.70417	0.511948	VOLCANIC	MT. HANNAH	DACITE	WHOLE ROCK	CALIFORNIA
MH860 	0.9	0.92	0.88	38.895824	-122.739142	0.01	68.9	0.42	15.2	1.5	1.5	0.03	2	3.5	3.3	3.1	0.12	0.54	0.38	100.49	6.2	95	956	13	0	0.8	33	54	314	23	5.6	122	3.8	0.86	2.3	0.36																	0.70414	0.511955	VOLCANIC	MT. HANNAH	DACITE	WHOLE ROCK	CALIFORNIA
H76.17 	1.1	1.12	1.08	38.794336	-122.724296	0.01	74.4	0.22	14.2	1.1	0.52	0.03	0.5	1.2	3.6	4.2	0.03	0.67	0.15	100.52	13.6	184	733	20.4	7.8	0.92	24	47	106	18	3.3	170	3.3	0.38	2.1	0.33																	0.70424	0.512006	VOLCANIC	ALDER CREEK	RHYOLITE	WHOLE ROCK	CALIFORNIA
B1952 	1.02	1.04	1	38.906465	-122.77023	0.01	75.4	0.09	12.9	0.2	0.64	0.03	0.1	0.87	2.7	4.2	0	3.2	0.33	100.66	10	136	1080	15.6	6.1	1.04	31	69	104	27	5.9	145	3.7	0.38	2.7	0.38																	0.70512	0.511906	VOLCANIC	BONANZA SPRINGS	RHYOLITE	WHOLE ROCK	CALIFORNIA
H76.60 	1.2	1.22	1.18	38.809676	-122.794051	0.01					1.2							0.19	0.08		13.2	218	651	19.5	7.8	1.17	20	35	76	16	3.1	96	3.1	0.35	2.3	0.33																	0.70567	0.511902	INTRUSIVE	GEYSERS	GRANITE	WHOLE ROCK	CALIFORNIA
H72.48B 	1.66	1.68	1.64	38.842732	-122.813055	0.01	50.2	0.58	15	1.7	6.2	0.06	12.9	8.7	2.2	0.44	0.13	0.49	0.51	99.11																	0.32	9	171	1.12	0.4	0.2	5	13	402	5	1.7	47	1.2	0.65	1.94	0.17	0.70311	0.512124	VOLCANIC	CALDWELL PINES	BASALT	WHOLE ROCK	CALIFORNIA
H74.08D 	1.45	1.47	1.43	38.797564	-122.477033	0.01	54.6	0.79	14.8	0.77	6	0.09	10.1	6.7	2.5	1.4	0.2	0.62	0.25	98.82	2.5	37	534	4.9	0	0.51	18	35	271	14	3.7	125	2.4	1.02	1.2	0.3																	0.70465	0.511949	VOLCANIC	CLEAR LAKE	BASALT	WHOLE ROCK	CALIFORNIA
H74.11 	1.66	1.68	1.64	38.959091	-122.597322	0.01	55.9	0.77	15.6	2.3	5.1	0.11	8.7	7	2.6	1.4	0.21	0.58	0.52	100.79	1.8	48	581	5	0	0.46	23	38	308	17	5.7	0	2.6	1.26	1.6	0.34																	0.705	0.51191	VOLCANIC	CLEAR LAKE	BASALT	WHOLE ROCK	CALIFORNIA
H74.13 	1.66	1.68	1.64	38.958921	-122.619053	0.01	58.2	0.96	15.2	0.8	5.4	0.13	9	6.5	3.2	1.4	0.21	0.23	0.02	101.25	2.9	58	690	5.2	0	0.58	22	37	420	13	5.1	0	2.7	1.07	1.3	0.22																	0.70449	0.511988	VOLCANIC	CLEAR LAKE	BASALT	WHOLE ROCK	CALIFORNIA
CL583 	2.05	2.07	2.03	38.73887	-122.687889	0.01	59.5	0.58	15.6	0.77	4.2	0.08	6.6	5.2	3.3	1.9	0.22	1.7	0.32	99.97	9.1	89	842	10.7	3.7	0.83	32	50	298	26	4.6	238	3.3	1.04	2	0.33																	0.70496	0.511918	VOLCANIC	HELEN MINE	ANDESITE	WHOLE ROCK	CALIFORNIA
CL486 	2.06	2.08	2.04	38.734125	-122.699222	0.01	69.6	0.31	13.9	0.55	1.5	0.03	0.81	1.7	3.4	4.4	0.1	2	0.2	98.5	12.5	164	975	13.3	0	0.93	31	47	410	21	5.3	130	4.9	0.61	2.6	0.4																	0.70541	0.511914	VOLCANIC	PINE MTN	RHYOLITE	WHOLE ROCK	CALIFORNIA
Method Data																																																											
1	TABLE	1982-005926	These are K-Ar ages from 1982-005926; errors estimated from those given in this source																																																								
2	MAP	2007-064006																																																									
3	RAPID ROCK METHODS	63																																																									
4	INAA	63																																																									
5	INAA	 1991-055787																																																									
6	TIMS	191																																																									
Fractionation Data																																																											
Item	Sr88_Sr86	Nd146_Nd142																																																									
Value	0.1194	0.636151																																																									
References Data																																																											
Method Reference	1																																																										
TI	 Geochronology and evolution of the Clear Lake Volcanics																																																										
AU	" Donnelly-Nolan, Julie M; Hearn, B Carter, Jr; Curtis, Garniss H; Drake, Robert E"																																																										
AF	" U. S. Geol. Surv., USA,  (United States); Univ. Calif. at Berkeley, United States (USA)"																																																										
AF	" Univ. Calif. at Berkeley, United States (USA)"																																																										
SO	" U. S. Geological Survey Professional Paper, Report"	" P 1141, pp.47-60, 1981"																																																									
IS	 1044-9612																																																										
LA	 English																																																										
FE	 References	" 42; illus. incl. 43 anals., 1 table, sketch map"																																																									
PY	1981																																																										
PT	 Serial; Report; Analytic																																																										
CP	 United States (USA)																																																										
CL	" 24, Quaternary geology"																																																										
CY	" GeoRef, Copyright 2007, American Geological Institute."																																																										
UD	1982																																																										
AN	1982-005926																																																										
Method Reference	5																																																										
TI	" Evolution of the silicic magmatic system at Clear Lake, California, 0.6 to 0.3 Ma"																																																										
AU	" Stimac, James Alan"																																																										
LA	 English																																																										
PY	1991																																																										
PT	 Thesis or dissertation; Doctoral; Monographic																																																										
ON	" Queen's University, Kingston, ON, Canada (CAN)"																																																										
CP	 Canada (CAN)																																																										
CL	" 05A, Igneous and metamorphic petrology"																																																										
CY	" GeoRef, Copyright 2007, American Geological Institute."																																																										
AN	 1991-055787