Sample 837-27A

NavDat sample number 14087

Sample

Sample ID	837-27A
Rock type	PLUTONIC
Material	IGNEOUS

Location

Latitude	46.5817
Longitude	-115.755
State / province	Idaho
Volcanic field	Idaho Batholith, Bitterroot Lobe

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
65		58.5	71.5

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
RB	30.59		PPM	XRF
SR	728.3		PPM	XRF
SR87_SR86	0.70952			TIMS
DELTA_D	-79			MS

References

Criss, Robert E; Fleck, Robert J (1987) Petrogenesis, geochronology, and hydrothermal systems of the northern Idaho Batholith and adjacent areas based on (super 18?O/ (super 16?O, D/H, (super 87?Sr/ (super 86?Sr, K-Ar, and (super 40?Ar/ (super 39?Ar studies. U. S. Geological Survey Professional Paper, Report: P 1436, pp.95-137, 1987