GRD008NS0
I-322
Gabbro
Precambrian › Archean › Neoarchean
2500.0
-
2800.0
1
Ritter 154 › Cabinet 16 › Drawer C
fine-grained
Hess p 52-55, Jackson p 2, Basal Chilled Contact.
Age from DePaolo 1979
Stillwater Complex
Montana
Stillwater Complex. Basal Zone ridge above Benbow Mine
Latitude: 45.36°
Longitude: -109.8°
-
Pyroxene and opaque oxides
5.0
plane
Pyroxene, plagioclase, and opaque oxides
5.0
crossed
-
scan
crossed
GRD008NT0: abundant pyroxene (60%), plagioclase (polysynthetic and albite twinning) (30%), opaque oxides (10%). Slightly altered. (C. Eichler)
N/A
N/A