GRD02B8S0
M-246
Anorthosite
Precambrian › Proterozoic
542.0
-
2500.0
1
Ritter 154 › Cabinet 16 › Drawer F
noritic anorthosite
Large blue labradorite crystals in green feldspar matrix. Large amphibole inclusion with more coarse-grained rim and interior. A minor amount of dark green pyroxene.
-
-
-
-
Unaltered plagioclase with altered orthopyroxene
5.0
plane
Unaltered plagioclase with altered orthopyroxene
5.0
crossed
-
scan
crossed
GRD02B8T0: 80% plagioclase, 10% altered orthopyroxene (B+, moderate 2V, low colors), apatite, opaques. (C. Eichler)
N/A
N/A