GRD01X6S0
M-73
Augen Gneiss
Unknown
None
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1
Ritter 154 › Cabinet 14 › Drawer B
augen
Medium-sized sample of gneiss composed of potassium feldspar-quartz-chlorite-muscovite. Well-foliated. Large white potassium feldspar augen.
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Alpine
Latitude: 32.8°
Longitude: -116.8°
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Wispy lense of chlorite in quartz with two large potassium feldpar porphyroblasts
2.5
plane
Wispy lense of chlorite in quartz with two large potassium feldpar porphyroblasts
2.5
crossed
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scan
crossed
GRD01X6T0: Altered. Large potassium feldspar augen with occasional smaller quartz augen. Small granular quartz groundmass with wipsy lenses of chlorite. (C. Eichler)
N/A
N/A