Ages (U–Pb SHRIMP and LA ICPMS) and stratigraphic evolution of the Neoproterozoic volcano-sedimentary successions from the extensional Camaquã Basin, Southern Brazil - Janikian, Liliane; Almeida, Renato Paes de; Fragoso Cesar, Antonio Romalino Santos; Martins, Veridiana Teixeira de Souza; Dantas, Elton Luiz; Tohver, Eric; McReath, Ian; D'Agrella Filho, Manoel Souza (Gondwana research, 2012)