Textural patterns of sulfides related to a paleoproterozoic low-sulfidation epithermal system in Tapajós gold province, Pará state, Brazil - Corrêa Silva, Rafael Hernandes; Juliani, Caetano; Benevides, Thatyana; Bettencourt, Jorge Silva; Monteiro, Lena Virgínia Soares (International Congress on Applied Mineralogy, 2004)