Sample P52-38

NavDat sample number 30104 · MINETTE

Sample

Sample ID	P52-38
Rock name	MINETTE
Rock type	PLUTONIC
Composition	EXOTIC
Material	IGNEOUS

Location

Latitude	48.2356
Longitude	-109.684
Location	Bearpaw Mountains
State / province	Montana

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
52		50	54

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
CO	31		PPM	INAA
CS	6		PPM	INAA
HF	3.4		PPM	INAA
TA	0.55		PPM	INAA
TH	8.1		PPM	INAA
U	1.6		PPM	INAA
LA	37		PPM	INAA
CE	74		PPM	INAA
ND	34		PPM	INAA
SM	8		PPM	INAA
EU	2.3		PPM	INAA
TB	0.82		PPM	INAA
YB	1.68		PPM	INAA
LU	0.25		PPM	INAA

References

MacDonald, R; Upton, B G J; Collerson, K D; Hearn, B C, Jr; James, D (1992) Potassic mafic lavas of the Bearpaw Mountains, Montana; mineralogy,chemistry, and origin. Journal of Petrology, vol.33, no.2, pp.305-346, Apr 1992