GRD0090S0
I-335
Troctolite
Precambrian › Archean › Neoarchean
2500.0
-
2800.0
1
Ritter 154 › Cabinet 16 › Drawer F
altered
Samples I-321 to I-337 from Stillwater Complex
Age from DePaolo 1979
Stillwater Complex
Montana
Stillwater Complex
Latitude: 45.4°
Longitude: -109.8°
-
Slight iron staining from opaque oxides
2.5
plane
-
2.5
crossed
-
scan
crossed
GRD0090T0: Plagioclase (albite and polysynthetic twinning), altered (C. Eichler)
N/A
N/A