Abstract
In the Southern Brasília Orogen occurs associations of metamorphic rocks, which were formed during the closure of Gondwana, in the Neoproterozoic. Between them, the Soccoro-Guaxupé Nappe, an allochton terrane, was exposed to extreme metamorphic conditions, reaching conditions of ultra-high temperature, above 900 °C. Besides granulites, there are migmatites, with variable rate of partial m…