GRD00NRS0
110-GL1
Glauconitic Sandstone
Cenozoic › Paleogene › Eocene
33.9
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55.8
1
Ritter 154 › Cabinet 17 › Drawer G
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Original label: Glauconitic sandstone, Domengine formation.
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California
Sacramento Valley
Latitude: 38.5°
Longitude: -121.5°
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Abundant glauconite
5.0
plane
Abundant glauconite
5.0
crossed
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scan
crossed
GRD00NRT0: 50% glauconite, 40% quartz, 10% (first order pink to second order blue, low relief, slight yellow pleochroism, high birefringence) Trace plagioclase and opaques. (C. Eichler)
N/A
N/A