V-shaped pseudotachylyte injection vein (the black-brown material is glass) in a quartz-feldspar-rich gneiss from Pizzo Meriggio, Sondrio Italy. PPL, XPL, and XPL + lambda plate, 10x (Fov 2 mm) #Pseudotachylyte #thinsection https://t.co/JNlIO1lxxs
— Alexstrekeisen (@alexstrekeisen) Mar 18, 2022
via Twitter https://twitter.com/alexstrekeisen
March 19, 2022 at 12:31AM
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