Geochronological map of the precambrian terrains of Paraná and Santa Catarina states, southern Brazil: tectonic implications - Basei, Miguel Angelo Stipp; Siga Júnior, Oswaldo; Reis Neto, José Manoel dos; Harara, Ossama Mohamed Milad; Passarelli, Claudia Regina; Machiavelli, Adilson (South American Symposium on Isotope Geology, 1997)