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#ThinSectionThursday
Teaching phase rule and metastability this afternoon, also using this nice image of prismatic Sillimanite replacing Andalusite in the contact aureole of Vedrette di Ries, Italy.#geology #geosciences #rocks pic.twitter.com/r8IMiWv8tu

— micROCKScopica (@micROCKScopica) October 18, 2018

via Twitter https://twitter.com/micROCKScopica

October 18, 2018 at 05:48PM