Sample HM-626b

NavDat sample number 125491 · MINETTE

Sample

Sample ID	HM-626b
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	14.14		WT%	MS-ID
LA	38.42		PPM	MS-ID
CE	76.92		PPM	MS-ID
ND	38.643		PPM	MS-ID
SM	6.918		PPM	MS-ID
EU	1.815		PPM	MS-ID
GD	5.29		PPM	MS-ID
DY	3.58		PPM	MS-ID
ER	1.8		PPM	MS-ID
YB	1.612		PPM	MS-ID
LU	0.24		PPM	MS-ID
RB	170		PPM	XRF
SR	816		PPM	ICPAES
TH	6.3		PPM	XRF
PB	11.5		PPM	XRF
SR87_SR86	0.707452			MS
ND143_ND144	0.512018			MS
U	2.3		PPM	INAA
U	3		PPM	XRF
TH	5.4		PPM	INAA
CS	6.5		PPM	INAA
TA	0.68		PPM	INAA
HF	3.3		PPM	INAA
PB206_PB204	17.905			MS
PB207_PB204	15.514			MS
PB208_PB204	37.928			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