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SummaryFluid inclusions from two Mesoproterozoic, metamorphosed layered intrusive complexes, Niquelndia and Barro Alto, Gois State, Brazil record multiple fluid influx events from the magmatic to granulitic and retrograde metamorphic stages. 1.The oldest inclusions contain high density CO2N2CH4 and are found as primaries in plagioclase and orthopyroxene in mafic granulite with homogenization temperatures...