Sample 807-31K

NavDat sample number 13934

Sample

Sample ID	807-31K
Rock type	PLUTONIC
Material	IGNEOUS

Location

Latitude	45.83
Longitude	-115.557
State / province	Idaho
Volcanic field	Idaho Batholith, Bitterroot Lobe

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
85		76.5	93.5

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
RB	66.6		PPM	XRF
SR	91.2		PPM	XRF
SR87_SR86	0.73995			TIMS
D18O	8.7		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