Gold ore whose types of deposits are diverse and complex is the mineral assemblage of gold. With features of chalcophile affinity and high melting point, the gold ore includes conglomerate type, porphyry type, quartz vein type and volcanic rock type, etc.
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32 Roasting of Refractory Gold Ores Refractory goldores are characterized by low gold recoveries in direct cyanide leaching Reasons for low recovery include sulfides carbon or arsenic Gold particles are either embedded in sulfide components or absorbed on carbon surfaces during the leaching process
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