Sample 807-31D

NavDat sample number 13927

Sample

Sample ID	807-31D
Rock type	PLUTONIC
Material	IGNEOUS

Location

Latitude	45.825
Longitude	-115.595
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	57.9		PPM	XRF
SR	397		PPM	XRF
SR87_SR86	0.71787			TIMS
D18O	11.1		PERMILL	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