Sample HM-652a

NavDat sample number 125507 · MINETTE

Sample

Sample ID	HM-652a
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	18.07		WT%	ICPAES
LA	190.5		PPM	ICPAES
CE	412		PPM	ICPAES
ND	171		PPM	ICPAES
SM	22.6		PPM	ICPAES
EU	4.79		PPM	ICPAES
GD	11.8		PPM	ICPAES
DY	4.78		PPM	ICPAES
YB	1.18		PPM	ICPAES
LU	0.17		PPM	ICPAES
RB	36		PPM	XRF
SR	2347		PPM	ICPAES
SM	21.6		PPM	ICPAES
ND	161		PPM	ICPAES
SR87_SR86	0.706545			MS
ND143_ND144	0.51179			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