GRD01UPS0
M-1
Non-layered Gneiss
Unknown
None
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1
Ritter 154 › Cabinet 14 › Drawer A
medium-grained,quartzofeldspathic
Quartzofeldspathic-muscovite-biotite. Moderately gneissic. Recrystallized vein composed of quartz and pink potassium feldspar.
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