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Showing results for tags 'calaveras fault'.
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Thank you in advance for your feedback! This “rock” was found in Calaveras County California in a creek bed near an area of the Mokelumne River watershed. An exposed deposit of fossils was found a few years back in this area of the county. We have lots of exposed shale formations in the area. The pictures all show the “rock” trying tell me it’s a coprolite on the left, next to a coprolite from unknown origin I purchased in a rock shop on the right. The other pictures are the surface of the “rock” I would like to know more about. The last few pictures are after it’s wet. It weighs 4lbs and is about 8” diameter x 4” thick.
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