Multistage kuroko-type paleo-hydrothermal evolution and associated highly positive oxygen isotope anomalies in volcanic rocks of the mesoproterozoic Serra do Itaberaba group, São Paulo, Brazil - Pérez-Aguilar, Annabel; Juliani, Caetano; Monteiro, Lena Virgínia Soares; Fallick, Anthony; Bettencourt, Jorge Silva (Simpósio Brasileiro de Metalogenia, 2005)