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Possible Coral section?


DustyFossil

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I found this rock in lanesboro Minnesota years ago in a riverbed. I believe a fossil identification book said it was a piece of coral stem? I can't remember very well, and I lost the book. I would love to know if anyone has any clue what it is. Thanks for reading!

-the newbie

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Yup, that's a Rugose coral or better known as "horn coral".

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+1 for Rugose or Horn Coral.

Regards,

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Welcome DustyFossil. Lovely Rugosa Coral. The bedrock in Lanesboro is early Ordovician, I believe Oncota formation of the Prairie Du Chin Group. To make a long story short, this means your coral did not live in the Lanesboro area. Most rugosas were in the mid to late Ordovician period. It likely was washed down the Root River from an area between Forestville and Preston, a much more fossil rich area than Lanesboro. I suggest checking out Bluff County Fossils on line for a great explanation of who, what, where and why for fossils in our area.

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Thank you minnbuckeye! I couldn't have asked for a better response! And thank you everyone else!! Excited to put a name and possible history to this piece.

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Hi Dustyfossil, that is a horn coral, also known as a rugnose coral. That looks a nice specimen,well done. I Really looks it, nice.

Edited by ScottNokes
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  • 3 weeks later...

Like everyone said, horn coral. That's the one thing I find a bunch of, though that one you got there is much bigger than any I find.

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