Data file creator	
4/25/08	Lang Farmer/Michael Beach
GeoRef Data	2008-130672
DN	Georef
TI	Isotope geochemistry and petrogenesis of peralkaline middle Miocene ignimbrites from central Sonora; relationship with continental break-up and the birth of the Gulf of California
AU	"Vidal Solano, Jesus R; Lapierre, Henriette; Stock, Joann M; Demant, Alain; Paz Moreno, Francisco A; Bosch, Delphine; Brunet, Pierre; Amortegui, Andrea"
AF	"Universidad de Sonora, Departamento de Geologia, Sonora, Mexico (MEX)"
SO	"Bulletin de la Societe Geologique de France, vol. 179, no. 5, pp.453-464, Sep 2008"
RL	http://connectsciences.inist.fr/services/sgf/indexsgf.htm01
IS	0037-9409
LA	English
FE	"References: 89; illus. incl. strat. cols., 2 tables, geol. sketch maps"
PY	2008
PT	Serial; Analytic
CP	France (FRA)
CL	05A Igneous and metamorphic petrology; 02D Isotope geochemistry
CY	"GeoRef, Copyright 2008, American Geological Institute. Abstract, Copyright, Societe Geologique de France | Reference includes data from GeoScienceWorld, Alexandria, VA, United States"																																																											
UD	200824																																																											
AN	2008-130672																																																											
Sample Data																																																												
Item	Age	Max_age	Min_age	Age	Max_age	Min_age	Latitude	Longitude	Loc_prec	SiO2 	TiO2	Al2O3	Fe2O3	FeO	MnO	MgO	CaO	Na2O	K2O	P2O5	H2O+	H2O-	LOI	Total	Rb	Sr	Ba	Zr	Y	Nb	Cs	Th	Ta	U	Pb	Hf	La	Ce	Pr	Nd	Sm	Eu	Gd	Tb	Dy	Ho	Er	Yb	Lu	Sr87_Sr86	Nd143_Nd144	Pb206_Pb204	Pb207_Pb204	Pb208_Pb204	ROCK_CLASS	SAMPLE_COMMENT	LOCATION	ROCK_TYPE	MATERIAL	STATE
Unit	Ma	Ma	Ma	Ma	Ma	Ma	dd	dd		Wt%	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											
Method	1	1	1	8	8	8	2	2	2	3	3	3	3	5	3	3	3	4	4	3	3	3	3	3	4	3	3	3	3	3	3	3	3	3	7	3	6	6	6	6	6	6	6	6	6	6	6	6	6	7	7	9	9	9						
Sample name																																																												
H96-2	12.54	13.38	11.7				29.13775833	-111.0472139	0.0001	47.69	2.51	15.37	7.36	5.9	0.21	5.94	8.6	3.34	0.7	0.49	0.41	0.27		98.79	14	482	356	248	40	21	0.2	1	0.5	0.5	5	7	24.5	55.5	7.4	31.5	7.5	2.3	7.9	1.4	6.6	1.4	3.8	3.9	0.6	0.704499	0.512798	18.808	15.584	38.419	Basalt		Hermosillo	VOLCANIC	WHOLE ROCK	SONORA
JR03-1	12	12.1	11.9				28.77564545	-110.6353206	0.0001	61.41	0.85	13.34	9.97	2.9	0.11	1	2.22	3.12	3.48	0.22	1.85	0.12	2.1	100.59	136.3	187.4	1116.5	428.6	50.6	19.43	3.99	13.45	1.38	4.16	17.79	9.64	42.86	96.01	11.42	44.82	9.54	1.83	8.28	1.37	8.57	1.78	5.1	4.73	0.78	0.705414	0.512654	19.016	15.63	38.714	Andesite	Alternative rock names is icelandite	Cerro Chalapa	VOLCANIC	WHOLE ROCK	SONORA
JR04-49	12	12.1	11.9				28.47016843	-110.3566404	0.0001	65.96	0.86	13.99	4.91		0.09	1.01	2.77	3.8	4.12	0.24			3	99.86	134	195	1059.7	445	55.9	19.71	3.66	13.46	1.34	4.22	17.25	10.43	42.49	92.47	11.34	45.03	10	1.91	8.73	1.49	8.86	1.83	5.21	5.03	0.8						Trachyte	Alternative rock names is icelandite	Sierra San Antonio	VOLCANIC	WHOLE ROCK	SONORA
JR04-59B	12	12.1	11.9				28.5001197	-110.51562	0.0001	64.7	0.86	13.97	5.03		0.09	1.07	2.78	3.76	3.78	0.24				99.27	129.4	211.2	1033	430.7	46.7	15.35	3.88	12.53	1.38	3.99	17	9.59	41.75	88.15	10.88	42.15	9.01	1.78	8.21	1.31	7.99	1.56	4.56	4.64	0.72						Trachyte	Alternative rock names is icelandite	Sierra San Antonio	VOLCANIC	WHOLE ROCK	SONORA
JR03-9	12	12.4	11.6				28.74241592	-110.7170291	0.0001	73.6	0.17	11.89	0.8	0.85	0.04	0.09	0.55	3.81	3.83	0.03	3.35	0.04	3.52	99.05	178	13.8	48.1	317	53.1	23.7	6.58	18.9	1.8	5.74	26.8	9.52	56.9	118	13.7	50.2	9.74	0.12	8.47	1.43	8.68	1.83	5.41	5.12	0.78						Comendite	Ignimbrite	Mina Divisadero	VOLCANIC	WHOLE ROCK	SONORA
JR04-40	12	12.4	11.6				28.73712176	-110.7235463	0.0001	72.63	0.13	12.72	1.77	0.23	0.03	-0.09	0.5	3.49	5.19	-0.03			4.15	100.21	171	11.4	36	314	54.5	23.2	6.81	19.3	1.81	5.69	26.8	9.47	58.4	122	14.4	51.9	10.5	0.13	9.22	1.54	9.17	1.91	5.47	5.24	0.8						Comendite	Ignimbrite	Mina Divisadero	VOLCANIC	WHOLE ROCK	SONORA
JR04-30A	12	12.4	11.6				28.61199892	-110.6584825	0.0001	72.65	0.13	12.22	1.85	0.47	0.04	-0.09	0.76	4.09	3.93	-0.03			3.42	100.28	203	42.2	44.6	321	52.9	23.3	8.74	18.1	1.75	5.48	24.1	9.63	55.2	117	14	51.1	9.73	0.14	8.62	1.45	8.42	1.84	5.2	5.03	0.77	0.709598	0.512651	19.041	15.634	38.747	Comendite	Ignimbrite	Cerro Sarpullido	VOLCANIC	WHOLE ROCK	SONORA
JR04-35A	12.1	12.2	12				28.61541798	-110.664885	0.0001	74.18	0.14	11.75	1.8	0.63	0.03	-0.09	0.58	3.12	5.08	-0.03				100.72	188	10	170	272	58.4	22.4	6.76	20.8	1.85	7.33	25.9	8.51	55.3	119	14.4	54	10.9	0.55	9.32	1.63	9.93	2.03	5.89	5.7	0.87	0.714584	0.512592	19.063	15.631	38.743	Comendite	Rhyolite dome (lava)	Cerro Sarpullido	VOLCANIC	WHOLE ROCK	SONORA
JR02-19	12	12.1	11.9				28.77544487	-110.6345837	0.0001	74.31	0.24	12.89	2.09	0.39	0.07	0.15	0.51	3.85	5	0.08	0.15	0.32	1.08	100.05	148	31.1	451.6	499.2	50.9	22.17	2.86	16.72	1.66	4.62	54.33	11.28	47.57	105.06	12.15	46.06	9.17	0.54	8.53	1.4	8.16	1.73	5.08	4.99	0.71	0.706767					Comendite	Ignimbrite	Cerro Chalapa	VOLCANIC	WHOLE ROCK	SONORA
JR03-7				12.25	12.5	12	28.95000835	-110.6222334	0.0001	73.57	0.12	12.24	1.75		0.02	0.13	0.67	3.87	4.97	0.17			3.79	98.58	176.9	23.5	60.3	297.5	49.1	20.26	3.01	18.99	1.93	5.33	25.26	9.34	57.87	116.6	14.04	51.51	10.25	0.13	8.73	1.44	8.63	1.71	4.96	5.08	0.79						Comendite	Ignimbrite	Cerro La Lequa	VOLCANIC	WHOLE ROCK	SONORA
JR02-21A				12.25	12.5	12	28.98360353	-110.6220498	0.0001	72.67	0.12	12.42	1.75		0.04	0.08	0.65	4.06	4.5	-0.03			3.67	100.07	190.5	13	36	347.3	52.2	21.59	5.8	18.56	1.95	5.81	30.07	10.09	58.8	121.6	14.24	52.36	10.34	0.12	8.99	1.47	8.87	1.74	5.04	5.39	0.8	0.716566	0.512696				Comendite	Ignimbrite	Cerro La Lequa	VOLCANIC	WHOLE ROCK	SONORA
JR02-71c				12.25	12.5	12	29.45746112	-110.7419307	0.0001	71.91	0.11	12.18	1.74		0.03	0.1	0.48	3.25	5.22	-0.03				98.68	180.3	11.2	40.1	294.7	49	20.7	5.05	18.87	1.91	5.79	33.41	9.17	57.06	117.9	13.7	49.97	9.94	0.1	8.5	1.4	8.42	1.67	4.89	5.06	0.77	0.7187	0.512703				Comendite	Ignimbrite	San Miguel de Horcasitas	VOLCANIC	WHOLE ROCK	SONORA
JR04-12B				12.25	12.5	12	28.65190987	-110.2383344	0.0001	72.96	0.13	12.42	1.82	0.37	0.03	-0.09	0.57	3.07	5.78	-0.03			3.19	100.35	166	10.2	61.5	348	54.5	23.8	5.95	19.5	1.83	5.68	25	10.4	57.7	126	14.2	52.2	10.5	0.12	8.74	1.51	9.04	1.91	5.55	5.27	0.82						Comendite	Ignimbrite	San Jose de Pimas	VOLCANIC	WHOLE ROCK	SONORA
Method Data																																																												
1	AR-AR	2006-046653																																																										
2	PERCOM	2008-130672	Locations provided by Jesus Vidal Solano																																																									
3	ICP-AES	561																																																										
4	AA	561																																																										
5	TIT	561																																																										
6	ICPMS	562																																																										
7	TIMS	432																																																										
9	TIMS	270																																																										
8	REG COR	2008-130672	"No ages given for this samples by authors, but are assumed to be in age range of other peralkaline volcanic rocks in central Sonora"																																																									
Normalization Data																																																												
Item	Sr87_Sr86	Nd143_Nd144	207Pb_206Pb
Standard Name	NBS-987	La Jolla	NBS-981
Value	0.71025	0.51185	0.91464
Fractionation Data			
Item	Sr88_86Sr	Nd146_Nd144	
Value	0.1194	0.7219	
References Data			
Method Reference	1		
TI	"Middle Miocene peralkaline ignimbrites in the Hermosillo region (Sonora, Mexico); geodynamic implications"		
AU	"Vidal Solano, Jesus; Paz Moreno, Francisco A; Iriondo, Alexander; Demant, Alain; Cocheme, Jean-Jacques"		
AF	"Universidad de Sonora, Departamento de Geologia, Hermosillo, Mexico (MEX)"		
AF	"Universidad Nacional Autonoma de Mexico, Mexico (MEX); Universite Paul-Cezanne, France (FRA)"		
SO	"Comptes Rendus - Academie des Sciences. Geoscience, vol.337, no.16, pp.1421-1430, Dec 2005"		
IS	1631-0713		
CD	#03814		
PB	"Elsevier, Paris, France (FRA)"		
DE	Cenozoic; comendite; East Pacific; erosion features; extension; geochemistry; geodynamics; Gulf of California; Hermosillo Mexico; igneous rocks; ignimbrite; mesas; Mexico; middle Miocene;  Miocene;  Neogene; North Pacific; Northeast Pacific; outcrops; Pacific Ocean; peralkalic composition; pyroclastics; rhyolites; sea-floor spreading; Sonora Mexico; spreading centers; Tertiary; volcanic rocks; volcanism
LA	English
SL	French
FE	"References: 48; illus. incl. 2 tables, sketch map"
PY	2005
PT	Serial; Analytic
CP	France (FRA)
LL	"Latitude:N291500,N294500 Longitude:W1104500,W1113000"
CL	05A Igneous and metamorphic petrology; 18 Solid-earth geophysics
CY	"GeoRef, Copyright 2007, American Geological Institute. Reference  includes data from CAPCAS, Elsevier Scientific Publishers, Amsterdam, Netherlands"
UD	200613
AN	2006-046653