GRD00KFS0
S-674
Claystone
Mesozoic › Cretaceous › Late Cretaceous › Coniacian
85.8
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89.3
0
Ritter 154 › Cabinet 2 › Drawer C
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Well lithified claystone containing a few ammonites. Note how fine-grained the matrix is and the tendency for the rock to fracture irregularly.
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Japan
Hokkaido
Latitude: 43.0°
Longitude: 143.0°
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