Sillimanite Schist

Section cut perpendictular to foliation. This rock from the Upper Amphibolite Facies, Sillimanite Zone metamorphic grade. Minerals seen include brown biotite, gray diamond-shaped sillimanite ends, and opaque (isotropic) garnet.

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Saturday, 24-Aug-2019 08:47:22 CDT

Comments and/or Correspondance to: kevin smith

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