Sample 797-20E

NavDat sample number 13860

Sample

Sample ID	797-20E
Rock type	VOLCANIC
Material	IGNEOUS

Location

Latitude	45.7333
Longitude	-114.747
State / province	Idaho
Volcanic field	Challis epizonal plutonics and volcanics

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
46		44.4	47.6

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
RB	106.1		PPM	XRF
SR	318.1		PPM	XRF
SR87_SR86	0.71076			TIMS

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