#ThinSectionThursday. Beautiful dolomite twinning in a carbonate-serpentine slickenvein. #Microscopy #Geology http://pic.twitter.com/lHN3cYGMp6
— Matthew Tarling (@RocksbyDefault) July 20, 2017
via Twitter https://twitter.com/RocksbyDefault
July 20, 2017 at 06:33PM
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