Depositional systems of the upper portion of the Camaquã group, neoproterozoic-cambrian, Rio Grande do Sul state, southern Brazil - Fambrini, Gelson Luís; Fragoso Cesar, Antonio Romalino Santos; Riccomini, Claudio; Almeida, Renato Paes de; Pelosi, Ana Paula de Meireles Reis; Janikian, Liliane; Nogueira, Afonso César Rodrigues; Machado, Rômulo (International Geological Congress, 2000)