Advanced United States Copper Project on Private Land with an After-Tax Net Present Value 8% of $1.9 Billion and a 24.0% Internal Rate of Return at Current COMEX Copper Price Updated Reserves and Mine ...
The ground usually shakes twice a day in Mount Isa — it has done so for seven decades. But today, the underground blasts won't happen. It's a silence that marks the end of copper mining in one of the ...