Nasdaq

Americas Gold and Silver Achieves Breakthrough With 99%+ Antimony Extraction From Its Copper Concentrate, Supporting Potential Primary Production in the United States

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 ...
insider.si.edu

The Hunt and Douglas process for extracting copper from its ores : with an appendix including notes on the treatment of silver and gold ores

"Copies of this ... pamphlet may be had by addressing J. Oscar Stewart ... For further information ... address James Douglas ... or T. Sterry Hunt" - p. 39. siris_sil_630058 ...
Nature

Copper Extraction and Solvent Recovery Techniques

Copper extraction is a pivotal component of modern metallurgical processes, underpinning the global demand for high-purity copper in electrical, construction and industrial applications. The ...
Nasdaq

Chilean Cobalt Corp. and Ecobiome Metals, LLC Sign Agreement for Strategic Partnership for Sustainable Cobalt and Copper Extraction

BERWYN, PA / ACCESSWIRE / February 14, 2024 / Chilean Cobalt Corp. (OTCQB:COBA) ("C3" or the "Company"), a US-based and US-listed critical minerals exploration and development company focused on the ...
Seeking Alpha

Copper Leaching Technology Makes Freeport-McMoRan Shares Expensive (For Now)

Freeport-McMoRan's Q3 2023 results demonstrate strong performance and technological leadership in copper extraction. The bull thesis for copper stocks, based on structural shortages, may be challenged ...