GRD02B3S0
M-241
Anorthosite
Precambrian › Proterozoic
542.0
-
2500.0
1
Ritter 154 › Cabinet 16 › Drawer F
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Medium-grained. Labradorite-green feldspar-amphibole-pyrite (trace).
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-
-
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Plagioclase altering to cericite. Small opaques
2.5
plane
Plagioclase altering to cericite. Small opaques.
2.5
crossed
-
scan
crossed
GRD02B3T0: The TS is almost completely one mineral, a large, deformed plagioclase. The plag is 30% altered to cericite. 1% opaque. (J. Gee)
N/A
N/A