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Geology, Palaeontology & Archaeology / Re: Unidentify rock found in northern part of Canada
« on: 17/02/2016 07:53:46 »
It's a fossil rather than an artefact.
Cross-section of tubular sponge ?
http://www.kgs.ku.edu/Extension/fossils/sponge.html
Try ... http://www.thefossilforum.com/index.php?/forum/14-fossil-id/
Cross-section of tubular sponge ?
http://www.kgs.ku.edu/Extension/fossils/sponge.html
Try ... http://www.thefossilforum.com/index.php?/forum/14-fossil-id/
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