Sample HM-552c

NavDat sample number 125497 · MINETTE

Sample

Sample ID	HM-552c
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
LA	4.22		PPM	MS-ID
CE	12.59		PPM	MS-ID
ND	10.636		PPM	MS-ID
SM	2.7		PPM	MS-ID
EU	0.784		PPM	MS-ID
GD	2.36		PPM	MS-ID
DY	1.54		PPM	MS-ID
ER	0.589		PPM	MS-ID
YB	0.437		PPM	MS-ID
LU	0.0585		PPM	MS-ID

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