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fossil identification

Posted by Claire Milne on September 26, 1998 at 18:12:25:

This fossil was found in or near the bed of a seasonal creek, 4 miles west of Copperopolis. The rock in the area are the "Tombstone" slates. Above the site area itself though is a high ridge, and is contains red sedimentary rock. The seasonal stream comes from this direction. Going out on a limb, my guess would be a rugose coral...which would put it back in time before the early Triassic. Would very much appreciate an i.d.!


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