These assay results indicate an antimony-to-copper ratio in the tetrahedrite ore that is approximately 0.64-to-1 (versus 0.69-to-1 reflected in the above historical results). Antimony and copper is ...

Chalcopyrite leaching processes are at the forefront of hydrometallurgical techniques for copper extraction. The dissolution of chalcopyrite, a primary copper–iron sulphide mineral, involves intricate ...

Copper is a strategic metal essential to modern economies. However, its future supply is increasingly uncertain due to declining ore grades and surging global demand. In a new study published in ...

The U.S. Environmental Protection Agency has approved an exemption that lifts federal drinking-water protections for part of a San Juan County aquifer, allowing Lisbon Valley Mining Company to move ...

Copper mineralization occurs in many forms and in a variety of geological settings. As such, there are various factors to ...

When analysts discuss mining and resource extraction, copper tends to receive less attention due to its less obvious applications and importance to several industries. But with the way several ...