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 ...

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 ...

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, ...

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 ...

Copper is extracted primarily from sulphide and oxide ores. About 80% of mine output comes from sulphide ores, which are processed through crushing, flotation, smelting and refining to produce copper ...

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