Those ore values mean diddly if it can't be extracted.  And that's what three of the world's largest mining companies concluded (Angle American, Rio Tinto, and Mitsubishi) when they dumped (or gave away) their shares. 

Open pits more half the depth of the Grand Canyon.  Lakes full of acid waste tailings impounded by the largest earthen dams in the world.  All in the watershed of the most productive wild salmon run in the world.  What could possibly go wrong?

But I have to admit, we're living in Bizarro Trump Universe so any stupid thing is possible.