Gunnison Copper (TSX:GCU,OTCQB:EXMGF) is shifting its development strategy for the Gunnison copper project in Arizona, US, laying out plans for a conventional open-pit and heap-leaching operation. In ...

When it comes time to fret about minerals critical to the energy transition, lithium, cobalt and nickel may get all the attention, but another metal is keeping plenty of analysts up at night. Though ...

Please Note: Blog posts are not selected, edited or screened by Seeking Alpha editors. Tiger Resources (ASX: TGS) has commenced heap leach operations for its Stage 2 solvent-extraction and ...

Norfolk Metals Ltd. ( ($AU:NFL) ) has issued an update. Norfolk Metals Ltd is advancing its Carmen Copper Project in Chile by completing ...

Near Noordover, in the south of Namibia. An updated preliminary economic assessment (PEA) has shown the project to be amenable to bioheap-leaching. The PEA envisages a life-of-mine of 24 years and a ...

Arizona needs to strengthen aquifer-protection requirements for the massive proposed Copper World mine to guard against groundwater pollution beneath it, Pima County officials say. The county ...

Rio Tinto has successfully produced the first copper from the Johnson Camp mine in Arizona using its Nuton® Technology, marking a pivotal step forward in the development of this innovative copper ...

Endolith has reported a major advance in copper extraction as it pushes the frontiers of microbial science. In collaboration with BHP’s (ASX:BHP,NYSE:BHP,LSE:BHP) innovation arm, Think & Act ...

Developers of the Copper World complex, where six open pits are planned south of Tucson, may soon get the state groundwater protection permit they need, but that won’t end conflict over the permit.

BHP Billiton is zeroing in on the heap-leaching of copper and uranium ores at Olympic Dam in South Australia’s outback as a lower cost alternative to the $30 billion expansion plan abandoned by the ...

December 4, 2025) - Gunnison Copper Corp. (TSX: GCU) (OTCQB: GCUMF) (FSE: 3XS0) ("Gunnison" or the "Company") announces that Rio Tinto has successfully produced the first copper from the Johnson Camp ...