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2197 Views 3 Replies Last post: Feb 28, 2011 6:09 PM by Innyangler RSS
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Apr 20, 2011 2:03 PM

Answered - Flint burrow infill looked like dinosaur claw

I found this claw shaped stone in a pile of debris pushed up by a mole. The shape looks similar to a claw. Any ideas what it could be?

 

Message was edited by: Innyangler

 

Message was edited by: Luanne

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    Feb 28, 2011 5:40 PM (in response to Innyangler)
    Re: Dinosaur Claw shaped fossil?

    Hi,

     

    I think this is a flint nodule rather than a fossil I'm afraid. It's often difficult to identify rocks in photographs but the second photo appears to show the darker surface and conchoidal (curved) fracture of freshly broken flint. As flint is exposed, the surface weathers from dark and smooth to yellow/white and rough. Flint nodule are often shapes like these are are often brought in for ID as possible claws or teeth. sometimes the shape is chance and sometimes it is because the flint formed from a silica gel that lined a burrow created by a small crystacean in the sea bed, preserving the curved shape of that burrow. Thes are called burrow infills. This one is a particularly good likeness for a claw! I've attached an information sheet with more info on how flint forms.

     

    Luanne

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    • I agree with Luanne, its flint, im afraid.

       

      Cheers

      Keith

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