Sample 15

NavDat sample number 51691 · DIORITE

Sample

Sample ID	15
Rock name	DIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	45.3583
Longitude	-113.708
Location	Carmen Creek Stock
State / province	Montana

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
83.2		74.88	91.52

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
LA	14.9		PPM	INAA
SM	3.32		PPM	INAA
EU	0.89		PPM	INAA
TB	0.55		PPM	INAA
YB	1.8		PPM	INAA
LU	0.31		PPM	INAA
CS	2.5		PPM	INAA
HF	3.8		PPM	INAA
TA	0.4		PPM	INAA
TH	5.4		PPM	INAA
BA	404		PPM	INAA
CO	36.6		PPM	INAA
CR	852		PPM	INAA
SC	26.6		PPM	INAA
FEO	6.59		WT%	INAA
NA2O	2.36		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.