which would open over 225,000 acres of the Superior National Forest — in the Boundary Waters headwaters — to sulfide-ore copper mining. That kind of mining has the potential to be much more ...

U.S. Rep. Betty McCollum (D-Minn.) reintroduced a bill on Jan. 21 to ban sulfide-ore copper mining in the Boundary Waters ...

In his statement, Stauber says his bill would reinstate mineral leases in the area, describing that Biden's decision to ...

Copper ore.Copper ore is mined either at via open pit mines or underground mines.The beginning for all copper is to mine sulfide and oxide ores through digging or blasting and then crushing.In the ...

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U.S. Gold hopes to begin production at its CK Gold Project west of Cheyenne, Wyoming in 2027 or 2028, and a new prefeasibility study says the mine could produce more ...

Tempest is continuing metallurgical study works and has further drilling planned at the Remorse magnetite iron discovery in Western Australia.

Copper was also the first metal to be smelted from sulfide ores, the first metal to be cast ... This could make investing in copper mining stocks a prudent choice, both as an inflation hedge ...

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