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Up to Discussions in Fossils and rocks
129 Views 4 Replies Last post: Aug 9, 2018 7:45 PM by Dr T RSS
emmalou Novice
emmalou
Currently Being Moderated

Aug 7, 2018 3:01 PM

Fossilised wood ? Bone?

Hi all,

 

Please can anyone help identify what this or what it’s from. Found on the shore line, half moon bay, Heysham ( Morecambe bay)

 

Lots of horizontal lines running along outside area, except one end lots of small dots. Seems very hard.

Fossilised wood, bone or just rock exposed to the elements?

 

Thank you

 

Emma

Attachments:
Tags: beach_find
  • Colin Master
    Colin
    Currently Being Moderated
    Aug 7, 2018 5:34 PM (in response to emmalou)
    Re: Fossilised wood ? Bone?

    Hello, this looks like Calcite but I'm sure Dr T will tell you more!

    Regards

    Colin

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  • Dr T Master
    Dr T
    Currently Being Moderated
    Aug 7, 2018 7:10 PM (in response to emmalou)
    Re: Fossilised wood ? Bone?

    Agree with Colin and you in the sense that it is a fragment of a mineral vein of calcite which has been exposed to the elements including some annelid borings.  Should fizz in strong acid and be scratchable with a "copper" coin...

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  • Dr T Master
    Dr T
    Currently Being Moderated
    Aug 9, 2018 7:45 PM (in response to emmalou)
    Re: Fossilised wood ? Bone?

    The marine borings are months old.  If the calcite came from the immediate bedrock it would about 300 million years old but could be a later vein.  However, if the calcite was brought into the area during the Ice Ages it could have from much older rocks and up to one billion years old.

    Basically this cannot be answered with any accuracy at all !

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