Sample 807-31F

NavDat sample number 13929

Sample

Sample ID	807-31F
Rock type	PLUTONIC
Material	IGNEOUS

Location

Latitude	45.83
Longitude	-115.582
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	50.9		PPM	XRF
SR	1262		PPM	XRF
SR87_SR86	0.71683			TIMS
D18O	10.4		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