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Can anyone assist in and ID for the attached image? It was found on Caspersen Beach in Venice Florida. The area is rich in marine fossils in the Miocene time frame. 

IMG_4768.JPG

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Looks like a few concretions that have been cemented together.

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1 hour ago, ynot said:

Looks like a few concretions that have been cemented together.

I wonder how they cement in that shape do you know the process in which this occurs? I agree as well. 

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1 hour ago, Ryan Dye said:

I wonder how they cement in that shape do you know the process in which this occurs? I agree as well. 

 

This could be the interior of a single concretion. The gaps represent cracks or septaria. These can form by shrinking of the sediment by dewatering and mineral replacement during diagenesis.

 

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It looks like a septarian nodule/concretion, to me, with the calcite walls eroded away.
Here's one of the pictures that speak for themselves.

 

3588113_original.thumb.jpg.b9ba2f71c086a1934513246ab1a66b4d.jpgIMG_4768.JPG.aa03a8cd533a2faf74c10fe298c8b5a4.thumb.JPG.979e938b96065cc366b8d5efc2607c4e.JPG

 

picture from here

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  • 3 weeks later...

I find the same thing pretty frequently in the venice area. I have asked around, but never gotten a definitive answer on what they are. 

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4 minutes ago, JustinFL said:

I find the same thing pretty frequently in the venice area. I have asked around, but never gotten a definitive answer on what they are. 

Start a thread and post pictures, We will let You know what You have.

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