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 ...

One of the most prominent mining properties among the many porphyry copper ore deposits in the Globe-Miami Mining district is the Inspiration Mine. It owed its beginning to the mining of a large ...

Freeport McMoRan Inc. plans to break away from the benchmark pricing system underpinning global sales of mined copper ores to protect the profitability of smelters, the company’s top commercial ...

After years of controversy, the mining industry is experiencing a significant revival driven by increased demand for critical ...

Mining giant Vale has obtained a preliminary license for its Bacaba project, the first step toward doubling its copper ...

Pre-production ore stockpiles now hold 1.82 million tonnes grading 4.23% copper, containing more than 76,000 tonnes of copper Fresh underground mining record achieved with 2,869 metres completed in ...

However, copper concentrate imports dropped 6.3% as mine disruptions, most recently at Grasberg in Indonesia, hampered supply ...