Copper-containing rock hosts only a small percentage of copper. Most of the rock is unwanted material, typically referred to as gangue. Depending on to what minerals the copper is bound, the rock is ...

TORONTO, ON / ACCESSWIRE / March 23, 2023 / PPX Mining Corp. (the "Company" or "PPX") PPX is pleased to announce excellent results of a first metallurgical test of sulfide ore. The samples used come ...

U.S. Rep. Betty McCollum introduced a bill Wednesday that would permanently prevent copper-nickel mining within the same watershed as the Boundary Waters Canoe Area Wilderness. The Boundary Waters ...

TORONTO, ON / ACCESSWIRE / December 4, 2024 / PPX Mining Corp. (PPX:CA) (the "Company" or "PPX", including its Peruvian subsidiaries) is pleased to announce that a 2,222 DMT lot of sulfide ore from ...

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A Chilean mining company has filed to renew mineral leases just outside Ely, Minn., so it can build sulfide ore copper mines on the border of Minnesota's Boundary Waters Canoe Area (BWCA). To combat ...

During the last week of September, I was hunting ruffed grouse in northern Minnesota not far from the Superior National Forest and the Boundary Waters Canoe Area Wilderness, where I’ve paddled, camped ...

Alacer Gold Corp. (ASR.TO) announced the results of the sulfide ore flotation test program. Alacer has recently completed a series of flotation tests on sulfide ore from the Copler Gold Mine in Turkey ...