#ThinSectionThursday Tasty garnet (black/pink)-muscovite (bright colourless) schist from the Moine of northern Sutherland, in @Hunterian. Moine schists often seem to have much larger crystals than Dalradian ones of similar grade, which must mean something @AnnaBirdian ? https://t.co/btVqerMSF8
— John Faithfull ππͺπΊπ΄σ §σ ’σ ³σ £σ ΄σ Ώ (@FaithfullJohn) Jul 15, 2021
via Twitter https://twitter.com/FaithfullJohn
July 15, 2021 at 06:28PM
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