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 ...

Today, about 20% of the world’s copper is produced from copper oxide ores. Copper is extracted by crushing the rock, placing it in a giant pile, and spraying it with dilute acid. As acid ...

TNC continues to make significant strides at its Cloncurry copper project as it positions itself to become Australia’s next ...

THE measurement of the electrical resistance of films of copper oxide on copper showing interference colours of the first order has given results varying from 0.002 to 15 ohms per sq. cm.

Irrigation of the leach pad at the solvent extraction plant at True North Copper's project at Cloncurry, Queensland has begun. About 8300 tonnes of copper ...

Excelsior Mining Corp has announced that it has received all permits to commence operations at the Johnson Camp Mine JCM in ...

Based on approximately 41,000 metres of historical drilling, the project currently has a predominantly oxide-based resource estimate totalling 12.3 million tonnes grading 0.86% total copper in the ...

The Company has conducted a two stage process on ore sorting on the 60kg of test material. Successful separation resulting in a high-grade cesium oxide was achieved and will form the basis of ...

Pan Asia Metals has revealed more strong visual copper indicators from rock chips after the first fieldwork program at its ...

Surefire Resources has confirmed it has secured clearance to launch an 11-hole, 2200m maiden drilling campaign at its ...