*CuT means total copper and CuS means acid soluble copper. Mineral resources that are not mineral reserves do not have demonstrated economic viability. Does not include primary sulphides. Refer to news release “Coro Announces Substantial Increase in Resources; Development Studies Underway” 2 December 2019. Technical and economic parameters included: copper price US$3.00/lb; mining cost US$2.00/t; HL processing cost including G&A US$9.00/t; ROM processing cost including G&A US$2.50/t; selling cost US$0.07/lb; heap leach recovery 76% of CuT; ROM recovery 40% of CuT; pit slope angle 44-46°.
*CuT means total copper and CuS means acid soluble copper. Mineral resources that are not mineral reserves do not have demonstrated economic viability. Does not include primary sulphides. Refer to news release “Coro Announces Substantial Increase in Resources; Development Studies Underway” 2 December 2019. Technical and economic parameters included: copper price US$3.00/lb; mining cost US$2.00/t; HL processing cost including G&A US$9.00/t; ROM processing cost including G&A US$2.50/t; selling cost US$0.07/lb; heap leach recovery 76% of CuT; ROM recovery 40% of CuT; pit slope angle 44-46°.