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What makes the holes?


mooky
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Yesterday I spent the day on the Ile d ré. I went a walk (in the pouring rain) on the beach to see if I could find a pebble with a hole in it. To my amazement there where hundreds.The stones seem to be sandstone/limestone very soft with very deliberately made holes in them . Obviously some creature, anyone any idea please. I love 'holey' pebbles, never have I seen so many in one place.

Thank you

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There is a mollusc that creates holes in rocks. Cannot remember its name and thought is was in rocks rather than stones. The holes it makes are of a fairly specific size (which I cannot remember) - but that would be a give away. Some time I will look it up but a bit busy now.


Ian

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