GRD01V8S0
M-402
Layered Gneiss
Unknown
None
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Ritter 154 › Cabinet 14 › Drawer I
fine-grained
Large sample with thin, continuous bands. Biotite-amphibole (?)- plagioclase- quartz-potassium feldspar- Fe-oxide (trace). Small stringers of quartz-Kspar.
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