Sample 787-21B

NavDat sample number 13821

Sample

Sample ID	787-21B
Rock type	PLUTONIC
Material	IGNEOUS

Location

Latitude	45.9833
Longitude	-114.965
State / province	Idaho
Volcanic field	Challis epizonal plutonics and volcanics

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
48		43.2	52.8

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
RB	237		PPM	XRF
SR	8.2		PPM	XRF
SR87_SR86	0.7636			TIMS
D18O	9		PERMILL	MS
SIO2	76.3		WT%	RAPID_ROCK
AL2O3	12.5		WT%	RAPID_ROCK
FE2O3	0.64		WT%	RAPID_ROCK
FEO	0.4		WT%	RAPID_ROCK
MGO	0.01		WT%	RAPID_ROCK
CAO	0.29		WT%	RAPID_ROCK
NA2O	3.6		WT%	RAPID_ROCK
K2O	5.1		WT%	RAPID_ROCK
H2O_PLUS	0.64		WT%	RAPID_ROCK
H2O_MINUS	0.18		WT%	RAPID_ROCK
TIO2	0.09		WT%	RAPID_ROCK
P2O5	0.1		WT%	RAPID_ROCK
MNO	0.01		WT%	RAPID_ROCK
CO2	0.01		WT%	RAPID_ROCK
TOTAL	100		WT%	RAPID_ROCK

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