Geochronology and isotope geochemistry of Votuverava and Perau mesoproterozoic basins, southern Ribeira belt, Brazil - Basei, Miguel Angelo Stipp; Siga Júnior, Oswaldo; Kaulfuss, Gilberto Alexander; Cordeiro, H.; Nutman, Allen; Sato, Kei; Cury, Leonardo Fadel; Prazeres Filho, Hélcio José dos; Passarelli, Claudia Regina; Harara, Ossama Mohamed Milad; Reis Neto, José Manoel dos; Weber, Werner (South American Symposium on Isotope Geology, 2003)