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Detailed geological and drilling investigations have shown KayabaЕџД± deposit, located in Trabzon-Turkey, has a resource of 590 000 tons ore containing 2.2\% Cu and 1029 kg Au. The ore body shows the characteristics of both massive- and stockworktype sulfide mineralization. In this study, mineralogical analysis and flotation tests were performed to determine the degree of liberation of sulfides and the optimum grind time for the massive ore samples. Covellite and chalcocite were identified as the main copper miner...