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"Worked" stone found on the beach at Embleton,
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mascot
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Re: "Worked" stone found on the beach at Embleton,
Apr 02, 2012, 21:44
Got a reply on Geology rocks and it looks like these are holes made by Piddocks, a bi-valve that secretes an acid to bore into rocks to make a "home" for itself - hence the seaside location for all our "finds".

Check out
http://en.wikipedia.org/wiki/Pholadidae

And
http://www.glaucus.org.uk/Piddock.htm

It's amazing what you learn looking around for "old stuff" :-)

Mac

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