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 ...

The high metal extraction rates at low temperatures indicate a potential metallurgical process with low-energy consumption for the Ferguson Lake project. It is noted that the mineralogy of the massive ...

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, ...

At a laboratory in Newark, New Jersey, a gray liquid swirls vigorously inside a reactor the size of a small watermelon. Here, scientists with the mining technology startup Still Bright are using a ...

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 ...

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