Gastal, Maria do Carmo P. Sm-Nd isotopic compositions as a proxy for magmatic processes during the Neoproterozoic of the southern Brazilian shield - Oxford Elsevier Science March 2005 - pp. 255-276 ilus. ISSN: 0895-9811 Subjects--Topical Terms: CICLO BRASILIANODATACION SM-NDESCUDO BRASILEROGEOCRONOLOGIAGEOQUÍMICALITOSFERA SUBCONTINENTALNEOPROTEROZOICOROCAS IGNEAS Subjects--Geographic Terms: BRASIL