Lower cretaceous conglomerates in the southern São Francisco basin, Minas Gerais: a model for the redistribution of ancient diamonds to cenozoic colluvial-alluvial deposits - Chaves, Mário Luiz de Sá Carneiro; Karfunkel, Joachim; Svisero, Darcy P (Anais da Academia Brasileira de Ciências, 1998)