Sample B400

NavDat sample number 45220 · DIORITE

Sample

Sample ID	B400
Rock name	DIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS
Collected by	Baird and others, 1979

Location

Latitude	33.426
Longitude	-116.802
Location	Perris block
State / province	California
Location comment	unassigned

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
107		96.3	117.7

Analyses

WHOLE ROCK

Item	Value	Std. dev.	Unit	Method
RB	44.2		PPM	EDXRF
SR	535		PPM	EDXRF
RB_SR	0.083			TIMS
RB87_SR86	0.239			TIMS
SR87_SR86	0.70538			TIMS
SR87_SR86_INITIAL	0.7049			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.