GRD016WS0
W78-283
Porcellanite
Cenozoic › Neogene › Miocene
5.3
-
23.0
0
Ritter 154 › Cabinet 18 › Drawer N
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Thin bands of chert interbedded with very thin silicified shale beds. Alternating dark and light layers.
Samples W78-278 through W78-284, see Winterer 1978 notebook page 123.
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California
Gaviota Beach
Latitude: 34.48°
Longitude: -120.23°