GRD00N3S0
W63-6
Greywacke
Cenozoic › Paleogene › Oligocene
23.0
-
33.9
1
Ritter 154 › Cabinet 17 › Drawer H
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Original label: Pool Creek formation, marine, 1962.
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Alaska
Yakataga area
Latitude: 60.1°
Longitude: -142.5°
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5.0
plane
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5.0
crossed
-
scan
crossed
-
scan
plane
GRD00N3T0: 50% quartz, 25% glauconite, 20% chlorite (?), 5% opaques (C. Eichler)
N/A
N/A