Margarite-corundum schists and topaz schists: metamorphic products of Mesoproterozoic oceanic high-sulfidation systems, Serra do Itaberaba Group, SP - Pérez-Aguilar, Annabel; Moreira, Izabella Vicentin; Salles, Jacqueline Silva; Juliani, Caetano; Carvalho, Flavio Machado de Souza (Simpósio de Vulcanismo e Ambientes Associados, 2015)