High-grade metamorphic alteration processes on zircon grains: a combined LA-ICPMS isotopic and trace element study of a composite mafic-ultramafic layered complex in Central Brazil - Schutesky, Maria; Pimentel, Márcio Martins; Ferreira Filho, César; Fuck, Reinhardt; Andrade, Sandra (South American Symposium on Isotope Geology, 2010)