#TectonicTuesday: ‘Block-in-matrix’ scaly serpentinite. Dun Mountain Ophiolite, New Zealand. #NZ #SI #Geology http://pic.twitter.com/4N7EByHKtu
— Matthew Tarling (@RocksbyDefault) November 13, 2017
via Twitter https://twitter.com/RocksbyDefault
November 14, 2017 at 12:41AM
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