GRD0208S0
M-252
Conglomerate
Unknown
None
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1
Ritter 154 › Cabinet 23 › Drawer D
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Rounded to subrounded grey quartzite pebbles(~ 3 cm in diameter) in greenish fine-grained matrix composed of abundant pyrite and quartz. Matrix-supported.
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Silimanite (?) between opaques and quartz
10.0
plane
Silimanite (?) between opaques and quartz
10.0
crossed
Silimanite (?) between opaques and quartz
5.0
plane
Silimanite (?) between opaques and quartz
5.0
crossed
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scan
crossed
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scan
plane
GRD0208T0: Large quartzite grains in a matrix composed of opaques, quartz, pyroxene (?), and sillimanite (? tabular, first order grey, parallel extinction) (C. Eichler)
N/A
N/A