Geochronology of mafic magmatism and hydrothermal alteration during early stages of South Atlantic opening - Carvas, Karine Zuccolan; Vasconcelos, Paulo Marcos; Marques, Leila Soares; Ubide, Teresa; Carmo, Isabela de Oliveira; Babinski, Marly (Geochimica et Cosmochimica Acta, 2021)