Sample HM-406

NavDat sample number 125505 · MINETTE

Sample

Sample ID	HM-406
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	12.49		WT%	ICPAES
LA	55		PPM	ICPAES
CE	122.2		PPM	ICPAES
ND	59.2		PPM	ICPAES
SM	12.36		PPM	ICPAES
EU	3.26		PPM	ICPAES
GD	9.18		PPM	ICPAES
DY	4.65		PPM	ICPAES
YB	1.25		PPM	ICPAES
LU	0.17		PPM	ICPAES
PB206_PB204	17.334			MS
PB207_PB204	15.47			MS
PB208_PB204	37.862			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