GRD00MJS0
110-S92
Feldspathic Sandstone
Mesozoic › Triassic
201.6
-
251.0
1
Ritter 154 › Cabinet 17 › Drawer E
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Large feldspar and quartz grains.
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-
Massachusetts
Connecticut Valley (Pioneer Valley)
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K-spar and quartz in carbonate matrix
2.5
plane
K-spar and quartz in carbonate matrix
2.5
crossed
-
scan
crossed
GRD00MJT0: 45% quartz, 25% k-spar, 20% plagioclase, 5% micas, 5% carbonate. Subangular grains. (C. Eichler)
N/A
N/A