Thin Section Thursday! Photo and caption by Peyton Ellen Kaufman, UG student at James Madison Univ.: Plane light photo. glaucophane schist, Blueschist Facies. It is likely the rock formed in a subduction zone (likely ocean-continent subduction). #thinsectionthursday #glaucophane

Mineral Monday! Is it glaucophane, chloritoid, or blue-green amphibole in Dutchess Co. NY? See our other social media feeds for more. By Donna Whitney et al. #MSACommunications #MineralMonday #thinsection #glaucophane #chloritoid #amphibole #DutchessCounty

#lawsonite likes to hang out with #glaucophane as they slide down subduction zones, ready to save the planet by bringing water into the deep.
#MinCup23