GRD01V1S0
M-236
Layered Gneiss
Unknown
None
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5
Ritter 154 › Cabinet 3 › Drawer H
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Gneiss composed of quartz-feldspar-amphibole (good crystal structure)-garnet. Medium to coarse-grained (max crystal size ~7 mm). Some banding is visible.
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Large pink garnet, green hornblende, opaques, quartz, and feldspar
2.5
plane
Large extinct garnet, green hornblende, opaques, quartz, and feldspar
2.5
crossed
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scan
crossed
GRD01V1T0: Quartz > Potassium feldspar> Plagioclase. Garnet and hornblende compose 5% of the rock. Opaques. Apatite (?) All minerals are deformed (J. Gee)
GRD01V1T1
GRD01V1T2
GRD01V1T3
GRD01V1T4
N/A
N/A