GRD02BRS0
M-61
Non-layered Gneiss
Unknown
None
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2
Ritter 154 › Cabinet 24 › Drawer A
lineations
Quartz-muscovite-biotite gniess. Poorly developed lineations of biotite.
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-
Alpine
Latitude: 32.8°
Longitude: -116.8°
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Mica layer in quartz
2.5
plane
-
2.5
crossed
GRD02BRT0
scan
crossed
GRD02BRT1
scan
crossed
GRD02BRT0: 85% quartz, 10% muscovite, 5% biotite, trace plagioclase. (J. Gee)
GRD02BRT1: 85% quartz, 10% muscovite, 5% biotite, trace plagioclase. Biotite and muscovite are aligned. (C. Eichler)
N/A
N/A