U-Pb (zircon) ages of metavolcanic rocks from the Itaiacoca group: tectonic implications - Siga Júnior, Oswaldo; Basei, Miguel Angelo Stipp; Sato, Kei; Prazeres Filho, Hélcio José dos; Cury, Leonardo Fadel; Weber, Werner; Passarelli, Claudia Regina; Harara, Ossama Mohamed Milad; Reis Neto, Jose Manoel dos (Geologia USP. Série Científica, 2003)