Sample 818-14B

NavDat sample number 14007

Sample

Sample ID	818-14B
Rock type	PLUTONIC
Material	IGNEOUS

Location

Latitude	45.5083
Longitude	-115.015
State / province	Idaho
Volcanic field	Challis epizonal plutonics and volcanics

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
45		40.5	49.5

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
RB	231		PPM	XRF
SR	216		PPM	XRF
SR87_SR86	0.7103			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