Sample GR-72

NavDat sample number 17359 · NOT-GIVEN

Sample

Sample ID	GR-72
Rock name	NOT-GIVEN
Rock type	PLUTONIC
Material	IGNEOUS
Comment	Pima Co., Gunsight Hills

Location

Latitude	32.1583
Longitude	-112.64
State / province	Arizona

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
171		153.9	188.1

Analyses

Whole-rock

Item	Value	Std. dev.	Unit	Method
RB	99		PPM	EDXRF
SR	655		PPM	EDXRF
RB_SR	0.151			MS-ID
RB87_SR86	0.44			MS
SR87_SR86	0.70775			MS
SR87_SR86_INITIAL	0.7087			MS

References

Kistler R W; Lee D E. Rubidium, strontium, and strontium isotopic data for a suite of granitoid rocks from the Basin and Range Province, Arizona, California, Nevada, and Utah. Kistler R W, Lee D E Rubidium, strontium, and strontium isotopic data for a suite of granitoid rocks from the Basin and Range Province, Arizona, California, Nevada, and Utah. [Serial, Report] Open-File Report - U. S. Geological Survey. 1989. Report # OF, 89-0199.