Sample GZ-1

NavDat sample number 45372

Sample

Sample ID	GZ-1
Rock type	PLUTONIC
Material	IGNEOUS
Collected by	Premo and others, 1997

Location

Latitude	33.7765
Longitude	-117.318
State / province	California
Location comment	Gavilan

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
109		98.1	119.9

Analyses

WHOLE ROCK

Item	Value	Std. dev.	Unit	Method
RB	74.8		PPM	EDXRF
SR	285		PPM	EDXRF
PB	0.00833		PPM	ICPMS
U	0.00331		PPM	ICPMS
TH	0.00423		PPM	ICPMS
RB_SR	0.262			TIMS
RB87_SR86	0.758			TIMS
SR87_SR86	0.70523			TIMS
SR87_SR86_INITIAL	0.7041			TIMS
PB206_PB204	19.188			EDXRF
PB207_PB204	15.636			EDXRF
PB208_PB204	38.673			EDXRF
D18O	7.1		PERMILL	MS

References

Kistler, R W; Wooden, J L; Morton, D M (2003) Isotopes and ages in the northern Peninsular Ranges Batholith, Southern California. Open-File Report - U. S. Geological Survey. 2003.