So the copper industry can shrug off Trump’s move, which economists have long called a no-brainer because each penny costs more to make than it’s worth – 3.69 cents as of last year – and most end up ...

"a smarter Tucson is a better Tucson" ...

Only two U.S. smelters are active — Freeport-McMoRan’s east of Phoenix in Miami, Arizona, and Rio Tinto’s in Utah’s Salt Lake ... pit mines viable. That company’s plans for the Copper ...

How to determine the deepest lake in Arizona is another question. The deepest lake is determined by the lake depth, measured by feet from the bottom. Other measures include water level ...

The Company plans to undertake a detailed sampling program of the accessible underground workings of the past-producing mines, as well as surface showings of mineralized veins. Arizona Copper and ...

New World Resources has spotted gold rich mineralisation outside the existing 11.4Mt at 4.1% copper-equivalent resource at its Antler project in Arizona during a geological review. Already hosting ...