GRD0173S0
W78-290
Nodules
Cenozoic › Neogene
2.6
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23.0
0
Ritter 154 › Cabinet 2 › Drawer C
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Large sample of light brown chert in white diatomite. Original label: Chert. Soft: diatomite, Hard: porcellanite. Post compaction concretion. Monterey Fm., Miocene.
Samples W78-285 through W78-293, see Winterer 1978 notebook page 124.
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California
Lompoc Quarry
Latitude: 34.6°
Longitude: -120.45°
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