autores Ciro Alexandre Ávila CLAUDIO DE MORISSON VALERIANO Everton Marques Bongiolo Mauro Cesar Geraldes Monica da Costa Pereira Lavalle Heilbron Reiner Neumann Wilson Teixeira
palavras-chave Continental arc Geocronology Granitoid Magma mixing Mineiro Belt Mineiro belt Nd-Sr-Hf isotopes Paleoproterozoic Sr and Nd isotopes