GRD00NWS0
S-4
Greywacke
Unknown
None
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1
Ritter 154 › Cabinet 17 › Drawer H
fine-grained
greenish graywacke
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California
42 mi. north Santa Barbara on Hwy 101
Latitude: 34.6°
Longitude: -120.2°
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5.0
plane
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5.0
crossed
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scan
crossed
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scan
plane
GRD00NWT0: Fine-grained. 40% muddy matrix, 30% angular quartz, 15% glauconite, 10% opaque, 5% feldspar. TS cut thick. (C. Eichler)
N/A
N/A