Sample B542

NavDat sample number 45352 · GRANODIORITE

Sample

Sample ID	B542
Rock name	GRANODIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS
Collected by	Baird and others, 1979

Location

Latitude	33.0546
Longitude	-116.901
Location	Santa Ana Block
State / province	California
Location comment	Woodson Mountain

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
124		111.6	136.4

Analyses

WHOLE ROCK

Item	Value	Std. dev.	Unit	Method
RB	16.1		PPM	EDXRF
SR	220		PPM	EDXRF
RB_SR	0.073			TIMS
RB87_SR86	0.212			TIMS
SR87_SR86	0.70388			TIMS
SR87_SR86_INITIAL	0.7036			TIMS

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.