autores Bruno Becker Kerber Lucas Martins Lino Aguiar dos Santos Mathias Hueck Miguel Ângelo Stipp Basei Prof. Dr. Silvio Roberto Farias Vlach
palavras-chave Caldera collapse Ediacaran volcanism Gondwana assembly Graben caldera Synorogenic rift U-Pb Geochronology U-Pb geochronology