These feldspars in a diorite from central Arran must have quite the tale to tell! #ThinSectionThursday #Antecryst #SieveTexture pic.twitter.com/sH5rIrytg6
— Bob Gooday (@BobGooday) November 1, 2018
via Twitter https://twitter.com/BobGooday
November 01, 2018 at 05:53PM
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