Sample SMZ

NavDat sample number 45384

Sample

Sample ID	SMZ
Rock type	PLUTONIC
Material	IGNEOUS
Collected by	Premo and others, 1997

Location

Latitude	33.5122
Longitude	-117.339
State / province	California
Location comment	Squaw Mountain

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
120		108	132

Analyses

WHOLE ROCK

Item	Value	Std. dev.	Unit	Method
RB	75.6		PPM	EDXRF
SR	142		PPM	EDXRF
PB	0.00556		PPM	ICPMS
U	0.00379		PPM	ICPMS
TH	0.01142		PPM	ICPMS
RB_SR	0.532			TIMS
RB87_SR86	1.539			TIMS
SR87_SR86	0.7069			TIMS
SR87_SR86_INITIAL	0.7043			TIMS
PB206_PB204	19.34			EDXRF
PB207_PB204	15.65			EDXRF
PB208_PB204	38.95			EDXRF
D18O	5.9		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.