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639 Views 1 Reply Last post: Feb 24, 2014 9:49 PM by MikeHardman RSS
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Feb 24, 2014 8:08 PM

Found this at Mundersley is it sea coral or plant or as we saw today

Found this at Mundersley is it a sea coral or plant or as we saw today from your excellent museum that we visited today some kind of sea creatures

fin this was my best find ever. Is there any thing on the market that I can coat the flint piece to try to uncover more of it or would that have been distroyed

in the process of making the fossill help very much appreciated.

  • It is a fragment of a sea urchin (Echinoid).

    What you see are the rows of ambulacral plates.


    You'd be unlikely to improve the specimen by trying to extract it from the flint. Part of the reason it is noticeable now is because of its weathering. If you try to grind or dissolve the flint away, you'd be exposing fresh flint, in which the fossil would not stand out nearly as well (because it is all flint). Only by sawing a flat surface then polishing it (or maybe varnishing it), might you see something of interest, and even then it would probably be only an outline; not worth it for the safety risk and effort.


    Here's a little info on fossils at Mundesley

    (note: they mis-spell it, too!)


    The NHM has detailed info in its Echinoid DIrectory


    In the first photo on this page, you'll see an example showing multiple rows of ambulacral plates, somewhat like in your specimen.


    Keep looking: there's lots of interesting stuff right under your feet on the beach and in the cliffs.



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