Sample HM-615b

NavDat sample number 125493 · MINETTE

Sample

Sample ID	HM-615b
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	10.82		WT%	ICPAES
LA	50.5		PPM	ICPAES
CE	96		PPM	ICPAES
ND	44		PPM	ICPAES
SM	7.63		PPM	ICPAES
EU	2.26		PPM	ICPAES
GD	6.12		PPM	ICPAES
DY	3.61		PPM	ICPAES
YB	1.47		PPM	ICPAES
LU	0.19		PPM	ICPAES
RB	102		PPM	XRF
SR	1333		PPM	ICPAES
TH	9.9		PPM	XRF
PB	32.4		PPM	XRF
SM	7.78		PPM	ICPAES
ND	44.5		PPM	ICPAES
SR87_SR86	0.70799			MS
ND143_ND144	0.511678			MS
PB206_PB204	16.882			MS
PB207_PB204	15.409			MS
PB208_PB204	37.733			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