Geochemistry and age of mafic rocks from the Votuverava Group, southern Ribeira Belt, Brazil: evidence for 1490 Ma oceanic back-arc magmatism - Campanha, Ginaldo Ademar da Cruz; Faleiros, Frederico Meira; Basei, Miguel Angelo Stipp; Tassinari, Colombo Celso Gaeta; Nutman, Allen; Vasconcelos, Paulo Marcos (Precambrian Research, 2015)