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803 Views 6 Replies Last post: May 8, 2014 9:27 PM by Rosiemurphy RSS
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May 7, 2014 12:27 PM

Coprolite? Id please

I found this small rock ( approx 5.5cm by 3.5cm) on a local beach in Dorset.  It has red and yellow/orange lumpy bits in it and the texture is fine and gritty (like glittery bits of sand or gravel).  It was more lumpy looking but I tried to sand it down because at first I thought it might be jasper.  It seems impossible to polish so I have just varnished it to try and highlight the colour and texture.  Not sure if it's just sandstone or something similar or maybe coprolite?  Please could someone help id.  Many thanks! 

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    May 7, 2014 6:03 PM (in response to Rosiemurphy)
    Re: Coprolite? Id please

    Rosie,

     

    I think you could be right - it could be coprolite.

    Its being composed of what appear to be pellets points in that direction (though burrows are sometimes filled with pellets, too).

     

    I hope we get some other opinions, ideally from somebody familiar with the area.

    ...So it would be useful to know which Dorset beach...

     

    Mike

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