South American-focused miner Sierra Metals has released a preliminary economic assessment (PEA) on an expansion of its Yauricocha polymetallic mine in Peru’s […]
Kutcho Copper (TSXV: KC; US-OTC: KCCFF) has started work on a feasibility study on its namesake high-grade copper-zinc development project in northwestern […]
Sonami, which represents mining firms including BHP, Anglo-American and Antofagasta asked lawmakers to closely review the science on glaciers before finalizing the bill.