The continental record of Ediacaran volcano-sedimentary successions in southern Brazil and their global implications - Janikian, Liliane; Almeida, Renato Paes de; Trindade, Ricardo Ivan Ferreira da; Fragoso Cesar, Antonio Romalino Santos; D'Agrella Filho, Manoel Souza; Dantas, Elton Luiz; Tohver, Eric (Terra Nova, 2008)