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FLUID EVOLUTION AND GOLD DEPOSITION AT THE CUIABÁ MINE, SE BRAZIL: FLUID INCLUSIONS AND STABLE ISOTOPE GEOCHEMISTRY OF CARBONATES
2000
Revista Brasileira de Geociências
The gold-bearing quartz-carbonate vein deposits of the Cuiabá Mine, northern sector of the Quadrilátero Ferrífero, State of Minas Gerais, SE Brazil, are hosted by a sequence of banded carbonaceous metasedimentary rocks within tholeiitic basalt flows of the Archean Rio das Velhas Greenstone Belt. A regional greenschist metamorphic grade characterizes rocks in this section of the Belt. Episodes of hydraulic fracturing enhanced the focussing of fluids percolating along the host primary layering,
doi:10.25249/0375-7536.2000302337341
fatcat:yj6dc5cmhfesnnstdkdrvfkxdq