Copper miners are turning to vast waste piles, novel extraction technologies and even bacterial “bugs” in an effort to ...

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 ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. At a laboratory in Newark, New Jersey, a gray liquid swirls vigorously inside a ...

Copper leaching remains a pivotal process in the extraction of copper from predominantly chalcopyrite-rich ores. Recent innovations have focused on enhancing the efficiency and selectivity of this ...

Central public sector enterprise Hindustan Copper Limited (HCL) has roped in city-based Institute of Minerals and Materials ...

When it comes time to fret about minerals critical to the energy transition, lithium, cobalt and nickel may get all the attention, but another metal is keeping plenty of analysts up at night. Though ...

The CSIR–Institute of Minerals and Materials Technology (CSIR-IMMT) has entered into a research and development agreement with Hindustan Copper Limited (HCL) to explore the recovery ...

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 mineralization occurs in many forms and in a variety of geological settings. As such, there are various factors to consider when determining the value of different types of copper deposits.