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my first foray into #thinsectionthursday

a complex corona from the eastern ghats (india) comprising (from core to rim) spinel/magnetite–sapphirine–sillimanite–cordierite–orthopyroxene. nice pleochroic haloes. boom.@FollowRuairidh #geology #rocks #granulites pic.twitter.com/4NhMbuReIm

— Tim Johnson (@Wonkiergruff1) August 30, 2018

via Twitter https://twitter.com/Wonkiergruff1

August 30, 2018 at 08:48AM