Sample 807-28A

NavDat sample number 13894

Sample

Sample ID	807-28A
Rock type	PLUTONIC
Material	IGNEOUS

Location

Latitude	45.835
Longitude	-115.965
State / province	Idaho
Volcanic field	plutonic rocks of the transition zone

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
78.1		77.2	79

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
RB	51.9		PPM	XRF
SR	513		PPM	XRF
SR87_SR86	0.7042			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