GRD00MES0
S-172
Feldspathic Sandstone
Mesozoic › Triassic
201.6
-
251.0
1
Ritter 154 › Cabinet 17 › Drawer E
coarse grained
arkose, Sugarloaf arkose - probably not exact location, Triassic, nice Kspar
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Massachusetts
Mt. Tom
Latitude: 42.2°
Longitude: -72.6°
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-
scan
crossed
GRD00MET0: 80% quartz, 12% potassium feldspar, 3% mica. All grains are angular. Large feldspar. (C. Eichler)
N/A
N/A