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369 Views 4 Replies Last post: Nov 20, 2013 9:04 PM by Tabfish RSS
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Nov 18, 2013 11:26 PM

fossil id no.2

Hi again

 

As promised here is the second of my finds from the yorkshire coast recently . Id like to add that these were all found within 100 yds of each other and within an hour and a half .

 

Once again many thanks

 

Kind regards

 

Robbo

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    Nov 19, 2013 4:23 PM (in response to robbo)
    Re: fossil id no.2

    It is hard to tell.  The rock it's self is just a rock, but the thing inside looks like a brachiopod/bivalve, but I'm not sure.

     

     

    Did you find any ammonites?  They are very common on the Yorkshire Coast.

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        Nov 19, 2013 10:23 PM (in response to robbo)
        Re: fossil id no.2

        Hi robbo

        This is is an almost perfect pyritic nodule from bed 33 of the cannonball doggers around Whitby.

        You can see the pyritic crust (about a quarter of an inch thick) and the inner Jurassic limestone, these are beautiful when if you can split it in half you find an ammonite and get it professionaly polished it will turn golden because of the pyrites.

        I have some images on my desktop computer that I will post tomorrow of prepped and polished cannonballs.

        They are for sale on certain internet sites but are very expensive.

        They are dangerous to split because they tend to shatter and the edges are as sharp razor blades.

        I find them on the Holderness coast sometimes with a good coating of pyrites and sometimes with the crust worn away in the beach system.

         

        Tabfish

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