Sample HM-538

NavDat sample number 125503 · MINETTE

Sample

Sample ID	HM-538
Rock name	MINETTE
Rock type	PLUTONIC
Composition	EXOTIC
Material	IGNEOUS

Location

Latitude	47.4631
Longitude	-110.56
Location	Highwood Mountains
State / province	Montana

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
51		50	53

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
MGO	1.51		WT%	MS-ID
LA	33.1		PPM	MS-ID
CE	53.74		PPM	MS-ID
ND	18.845		PPM	MS-ID
SM	3.099		PPM	MS-ID
EU	1		PPM	MS-ID
GD	2.31		PPM	MS-ID
DY	1.651		PPM	MS-ID
ER	0.857		PPM	MS-ID
YB	0.884		PPM	MS-ID
LU	0.137		PPM	MS-ID
RB	230		PPM	XRF
SR	1371		PPM	ICPAES
SM	3.038		PPM	ICPAES
ND	18.48		PPM	ICPAES
SR87_SR86	0.707814			MS
ND143_ND144	0.511601			MS

References

O'Brien, Hugh E; Irving, Anthony J; McCallum, I S; Thirlwall, MatthewF (1995) Strontium, neodymium, and lead isotope evidence for the interaction ofpost-subduction asthenospheric potassic mafic magmas of the HighwoodMountains, Montana, USA, with ancient Wyoming craton lithosphericmantle. Geochimica et Cosmochimica Acta, vol.59, no.21, pp.4539-4556, Nov1995 doi:10.1016/0016-7037(95)99266-J