Re-os investigation of the high-ti Paraná continental flood basalts, Brazil - Kirk, Jason Donald; Correia, Ciro Teixeira; Nardy, Antonio Jose Ranalli; Tassinari, Colombo Celso Gaeta; Girardi, Vicente Antonio Vitorio; Petronilho, Liliane Aparecida (Congresso Brasileiro de Geologia, 2006)