Sample 807-31E

NavDat sample number 13928

Sample

Sample ID	807-31E
Rock type	PLUTONIC
Material	IGNEOUS

Location

Latitude	45.8233
Longitude	-115.583
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	49.7		PPM	XRF
SR	805		PPM	XRF
SR87_SR86	0.7182			TIMS
D18O	10.1		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