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Post by fernwood on Aug 21, 2021 17:18:09 GMT -5
Please help me ID these. Thank you. 1. Stromatolite or something else? 2. Shells? 3. Coral, but what type?
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Post by rmf on Aug 23, 2021 19:52:10 GMT -5
it is a hexacoral but I would call it petoskey stone if it is calcite replaced. Do you know where it is from? The first slabs #1 & #2 look like the typical Ordivician brachiopod coquina from the south west corner of WI.
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Post by perkins17 on Aug 23, 2021 20:32:41 GMT -5
fernwood Definitely shells in number two. I saw a huge chunk just like that on a beach in CA.
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Post by fernwood on Aug 24, 2021 4:25:23 GMT -5
it is a hexacoral but I would call it petoskey stone if it is calcite replaced. Do you know where it is from? The first slabs #1 & #2 look like the typical Ordivician brachiopod coquina from the south west corner of WI. It sort of has a petoskey look to it. No, I do not know where they are from.
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