Copper ore must undergo a complicated refining process to convert it into saleable high-purity copper products, as mined ore typically contains less than 1 percent copper. Copper refining involves ...

Nov 13 (Reuters) - First Quantum Minerals FM.TO has reduced ore processing at its Cobre Panama mine as protests against the project block port access, the Canadian miner said on Monday, the first sign ...

The Bingham Canyon Mine won't get any deeper, but it might get wider than the current 2.5-mile span of the giant hole Rio ...

New Frontier Minerals Ltd (LSE and ASX: NFM) is pleased to announce it has entered into a Memorandum of Understanding ("MOU") with Austral Resources Ltd (ASX: AR1) to establish a strategic framework ...

More than 7700 tonnes of copper have been produced to August at Nugent, with 913,000 tonnes of ore mined in total with total ...

Sterlite Industries (India) Ltd. and Hindalco Industries Ltd. won a 13 percent increase in copper ore processing fees from Freeport-McMoRan Copper & Gold Inc. for next year, said two people familiar ...

Copper miner PT Freeport Indonesia has reduced its copper ore mining to 60% capacity due to rising stockpiles, Energy and Mineral Resources Ministry senior official Tri Winarno said on Friday.

Freeport-McMoRan Inc. is selling unexpectedly large volumes of copper ore following an outage at a plant it owns in Indonesia, bringing short-term relief to smelters who’ve faced a historic squeeze on ...

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LUSAKA, Sept 25 (Reuters) - Zambia will remove import duty on copper ores and concentrates to encourage local processing, Finance Minister Bwalya Ng’andu said in a budget speech delivered in ...