CASA GRANDE, Ariz. & TORONTO--(BUSINESS WIRE)-- Arizona Sonoran Copper Company Inc. (TSX:ASCU | OTCQX:ASCUF) (“ASCU” or the “Company”) an emerging US-based copper developer, announces results from 12 ...

CASA GRANDE, Ariz. & TORONTO--(BUSINESS WIRE)--Arizona Sonoran Copper Company Inc. (TSX:ASCU | OTCQX:ASCUF) (“ASCU” or the “Company”) an emerging US-based copper developer, announces results from 12 ...

SANTIAGO, Chile--(BUSINESS WIRE)--Ceibo, an advanced copper extraction technology company, today announced it has raised a $30 million Series B financing. The round was led by Energy Impact Partners, ...

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 ...

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 ...

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 ...

Still Bright hopes its chemical process could help replace polluting copper smelters. Demand for copper is surging, as is pollution from its dirty production processes. The founders of one startup, ...

TORONTO, Oct. 07, 2025 (GLOBE NEWSWIRE) -- McEwen Copper Inc., 46.4% owned by McEwen Inc. (MUX) is pleased to announce positive results from the independent Feasibility Study (FS) for its 100%-owned ...

Amazon Web Services (AWS) partners with Rio Tinto's Nuton Technology to leverage bioleaching techniques for copper extraction ...

The United States has the resources necessary to compete with China for mastery over copper mining and refining.