SHRIMP U-Pb zircon geochronology and Rb-Sr and Sm-Nd isotope geochemistry of charnockites and associated granitoids of Ribeira belt - Tassinari, Colombo Celso Gaeta; Munhá, Jose Manuel; Santos, Telmo M. Bento dos; Dias Neto, Coriolano de Marins e; Palácios, Teresa; Fonseca, P. T. (South American Symposium on Isotope Geology, 2008)