Migmatitic garnet - cordierite - sillimanite  metapelite from the high-grade metamorphic Andean basement. Sierra de Quilmes, Salta - Tucumán. Argentina

Migmatitic garnet - cordierite - sillimanite metapelite from the high-grade metamorphic Andean basement. Sierra de Quilmes, Salta - Tucumán. Argentina

Image Credit: MBG