Sample 73

NavDat sample number 51700 · PYROXENITE

Sample

Sample ID	73
Rock name	PYROXENITE
Rock type	PLUTONIC
Composition	ULTRAMAFIC
Material	IGNEOUS

Location

Latitude	45.3528
Longitude	-113.719
Location	Carmen Creek Stock
State / province	Montana

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
65		50	80

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
LA	5.46		PPM	INAA
SM	1.83		PPM	INAA
EU	0.5		PPM	INAA
TB	0.16		PPM	INAA
YB	1.22		PPM	INAA
LU	0.22		PPM	INAA
CS	0.4		PPM	INAA
HF	1.1		PPM	INAA
TA	0.1		PPM	INAA
TH	1.6		PPM	INAA
CO	89.6		PPM	INAA
CR	2547		PPM	INAA
SC	30.2		PPM	INAA
FEO	10.14		WT%	INAA
NA2O	0.3		WT%	INAA

References

Kilroy, Kathryn C (1981) (super 40) Ar/ (super 39) Ar geochronology and geochemistry of the Carmen Creek Stock, and related intrusions of the northern Beaverhead Mountains, Idaho-Montana.