Sample B531

NavDat sample number 45341 · DIORITE

Sample

Sample ID	B531
Rock name	DIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS
Collected by	Baird and others, 1979

Location

Latitude	33.1949
Longitude	-116.874
Location	Santa Ana Block
State / province	California
Location comment	Bonsall

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
105.2		94.68	115.72

Analyses

WHOLE ROCK

Item	Value	Std. dev.	Unit	Method
RB	76.1		PPM	EDXRF
SR	220		PPM	EDXRF
RB_SR	0.346			TIMS
RB87_SR86	1.001			TIMS
SR87_SR86	0.70545			TIMS
SR87_SR86_INITIAL	0.7038			TIMS
D18O	6.8		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.