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MyGodMagma

Fossil In Coral? I Don't Have the Foggiest Idea

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MyGodMagma

I have another smaller piece of this black (coral?) with this vivid yellow in it, and it also has those yellow dots around the edge. This specimen has those interesting whorls in the yellow that remind me of beetle wings for some reason. Ideas?

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Foozil

This is interesting. My first guess would be coral. Can we please have some pictures while its dry?

(was wrong). Very cool looking (?) btw! 

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ynot

This looks like a metamorphic siltstone. Not a fossil.

I see no evidence of coral structure.

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Doctor Mud

Yes - metamorphosed siltstone.

From the same site as the agates?

 

This would be an agate inclusion in the host or parent rock.

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Al Dente

I think the original rock was an oolitic limestone that has been replaced by chert.

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MyGodMagma

Thanks so much, I'm off to read up.

~caroline

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