#pseudotachylite — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #pseudotachylite, aggregated by home.social.
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Mineral Monday! Formation of pseudotachylytes by Mattia Pistone A rock undergoing fracturing (dilatant cracking) and friction melting partially melts at lower temperature than frictional melting alone. #MSACommunications #MineralMonday #pseudotachylyte #pseudotachylite #partialmelting
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Next day went to the South Harris Meta-igneous Complex.
Garnet amphibolite, (metagabbro) and #pseudotachylite.
Fresh #anorthosite has distinctive mauve colouration but weathers to white/pale cream, occasionally showing fine deformation banding.