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Journal of Petrology
Migmatitic granulites and arc-related felsic intrusives of Pan-African age form the bedrock in the Rio de Janeiro area, SE Brazil. These rocks preserve a partial record of three parageneses. The earliest assemblage (M 1 ) grew during fabric formation in the rocks (D 1 ) and is characterized by the mineral assemblage Pl þ Bt þ Sil þ Kfs þ Qtz. Peak metamorphic conditions (M 2 ) are characterized by the assemblage Bt þ Crd þ Kfs þ Pl þ Grt þ liq þ Qtz and are inferred to have developed during D 2doi:10.1093/petrology/egh058 fatcat:ljhdlcir3ncqponr3odlfnosn4