The Diabaig Formation (part of the billion year old Torridonian Sandstone) would make a lovely kitchen worktop. (water bottle for scale) http://pic.twitter.com/Sj6646XRvs
— tectonictweets (@tectonictweets) May 11, 2017
via Twitter https://twitter.com/tectonictweets
May 11, 2017 at 06:30PM
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