Sample 21

NavDat sample number 51693 · GRANODIORITE

Sample

Sample ID	21
Rock name	GRANODIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	45.3569
Longitude	-113.79
Location	Carmen Creek Stock
State / province	Montana

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
49.4		48.6	50.2

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
LA	36.3		PPM	INAA
CE	71.3		PPM	INAA
SM	4.98		PPM	INAA
EU	1.09		PPM	INAA
TB	0.59		PPM	INAA
YB	1.57		PPM	INAA
LU	0.27		PPM	INAA
CS	2.5		PPM	INAA
HF	4.9		PPM	INAA
TA	0.9		PPM	INAA
TH	14.4		PPM	INAA
BA	95		PPM	INAA
CO	10.8		PPM	INAA
CR	115		PPM	INAA
SC	9.4		PPM	INAA
FEO	3.46		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.