Sample HM-582

NavDat sample number 125504 · MINETTE

Sample

Sample ID	HM-582
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	0.84		WT%	ICPAES
LA	9.39		PPM	ICPAES
CE	13.8		PPM	ICPAES
ND	5.99		PPM	ICPAES
SM	1		PPM	ICPAES
EU	0.59		PPM	ICPAES
GD	0.78		PPM	ICPAES
DY	0.61		PPM	ICPAES
YB	0.33		PPM	ICPAES
LU	0.06		PPM	ICPAES
RB	92		PPM	XRF
SR	913		PPM	ICPAES
TH	2.4		PPM	XRF
PB	45.2		PPM	XRF
SM	1.02		PPM	ICPAES
ND	6.06		PPM	ICPAES
SR87_SR86	0.706971			MS
ND143_ND144	0.511568			MS
PB206_PB204	17.587			MS
PB207_PB204	15.484			MS
PB208_PB204	37.947			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