Morningstar

Arizona Sonoran Achieves Average of 87% Extraction Rates of Soluble Copper in the Enriched Material

Arizona Sonoran Copper Company Inc. (TSX:ASCU | OTCQX:ASCUF) (“ASCU” or the “Company”) an emerging US-based copper developer, announces results from 12 leach columns completed from its column leach ...
Money Morning

Copper Is About to Go Parabolic. Here's the Miner You Should Buy Now

Copper prices are surging on AI data center demand, and Rio Tinto is emerging as the top miner poised to profit from a looming supply shortage.
Seeking Alpha

Regulus Reports Attractive Copper Extraction Rates Using Nuton Bio-Leaching and Provides Update on Integrated Sulphide Project Resource Estimate

VANCOUVER, British Columbia, May 20, 2025 (GLOBE NEWSWIRE) -- Regulus Resources Inc. (REG:CA) ("Regulus" or the "Company", TSX-V: REG, OTCQX: RGLSF) is pleased to provide an update on the Phase Two ...
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 ...
Business Wire

Ceibo Raises $30 million to Scale Advanced Copper Extraction Technology

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, ...
Seeking Alpha

Canadian North Resources Inc. Reports Extraction Rates of 99% Nickel, 98% Cobalt and 90.6% Copper in the Second Set of Bioleaching Tests for the Ferguson Lake Project in Canada

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 ...