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Shimmeron

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Any help with these would be much appreciated. I found them on the South side of Key West Island, Fl. 

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All of Key West is ancient fossil coral reefs.  So bits of conglomerated marine liffe with coral too. That's a really nice geoded coral in the last pic.  

 

Did you see the big 6 foot high coral wall on the north end of the island?  It is all fossil coral and shells. Really amazing. 

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The top pieces seem to contain fragments of crinoid stems. 

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Life's Good!

Tortoise Friend.

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The first three are beach-rock concretions. Probably consisting of Miocene-period fossilized seashells.

 

That last one looks like some kind of eroded coral.

 

 

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