The operation will use long-hole mining methods with a 4,200-tonne-per-day mineral processing plant. The plant will employ semi-autogenous grinding (SAG) and ball milling, followed by conventional flotation to produce both copper and zinc concentrates.
Average annual production will be 34.5 million lb. of copper and 58.6 million lb. of zinc, plus 17,500 oz. of gold and 435,200 oz. of silver, equating to 65.4 million lb. of copper equivalent.
Construction progress
Foran says approximately 343 metres of underground lateral development were completed in October, the greatest monthly advance to date. Excavation of the main ventilation fresh-air raise is underway with a focus on permanently sealing the sandstone layer to prevent water ingress into the raise.
Construction of the concrete floor for the underground battery-electric vehicle (BEV) charging bay kicked off on the 60-metre level. The pad for the…
