Sample 787-19B

NavDat sample number 13811

Sample

Sample ID	787-19B
Rock type	PLUTONIC
Material	IGNEOUS

Location

Latitude	46.1517
Longitude	-115.362
State / province	Idaho
Volcanic field	Idaho Batholith, Bitterroot Lobe

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
70		63	77

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
RB	42.2		PPM	XRF
SR	594		PPM	XRF
SR87_SR86	0.71103			TIMS
D18O	8.5		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