%0 Journal Article %T From sand rich to mixed sand-mud ramp deep-water system: a conceptual model for the apiuna succession (Cambrian, Itaja¨Ē valley, Brazil) %A BAS¨ĒLICI GIORGIO %J Anais da Academia Brasileira de Ci¨ēncias %D 2001 %I Academia Brasileira de Ci¨ēncias %U http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652001000300022