Sample HM-547

NavDat sample number 125494 · MINETTE

Sample

Sample ID	HM-547
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	9.28		WT%	ICPAES
LA	43.2		PPM	ICPAES
CE	98.3		PPM	ICPAES
ND	39.7		PPM	ICPAES
SM	7.41		PPM	ICPAES
EU	2.06		PPM	ICPAES
GD	5.51		PPM	ICPAES
DY	3.49		PPM	ICPAES
YB	1.3		PPM	ICPAES
LU	0.2		PPM	ICPAES
RB	158		PPM	XRF
SR	1208		PPM	ICPAES
TH	5.9		PPM	XRF
PB	30.5		PPM	XRF
SM	7.54		PPM	ICPAES
ND	40		PPM	ICPAES
SR87_SR86	0.708336			MS
ND143_ND144	0.511727			MS
PB206_PB204	17.418			MS
PB207_PB204	15.487			MS
PB208_PB204	37.979			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