GRD01XOS0
M-70
Schist
Unknown
None
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1
Ritter 154 › Cabinet 14 › Drawer D
coarse-grained
Small sample of garnet-quartz-potassium feldspar-biotite schist.
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-
Alpine
Latitude: 32.8°
Longitude: -116.8°
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Aligned biotite surrounded by quartz
2.5
plane
Aligned biotite surrounded by quartz
2.5
crossed
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scan
crossed
GRD01XOT0: 50% quartz, 45% potassium feldspar, 5% biotite. Trace muscovite and opaques. No garnets in thin section. (C. Eichler)
N/A
N/A