The Morenci Mine is the largest copper mine in the US and one of the biggest in the world. As of 2007, operations ran around ...

Morenci is the largest copper mine in North America — about the size of Brooklyn. Between processing facilities and warehouses, lizards and organ-pipe cacti bask in blazing sunlight. The waste ...

This is the second in a two-part series on the Clifton-Morenci District. Read the first part at online at tinyurl.com/morenci Although Phelps Dodge increased ...

TUCSON (CN) - Freeport-McMoRan Corp. must pay $6.8 million to settle claims that it polluted natural resources near the Morenci Mine, the largest copper mine in Arizona, according to a federal consent ...

It's hard to imagine the scale of the Morenci Mine in the southeast portion of the state, but you can get really close to it. Literally. Take a drive along U.S. Highway 191, and one of the world's ...

A major mining operation in Eastern Arizona plans to cut its work force in half in another round of layoffs since the bottom fell out of the copper market. Freeport-McMoRan Copper & Gold announced ...

Freeport-McMoRan (FCX) will be selling a 13% ownership interest in its Morenci mine to Sumitomo Metals for a consideration of $1 billion. The Morenci stake sale will help FCX bring down its debt ...

Freeport-McMoRan (NYSE:FCX) is selling a 13 percent ownership interest in its Morenci Mine to Sumitomo Metal Mining Co., Ltd. (SMM) for $1.0 billion in cash. Morenci is an open-pit, copper mine ...

The Morenci mine looked like the Sarlacc monster from the “Star Wars” movies. Once-picturesque cliffs had been carved into a series of pale terraces that descended hundreds of feet.

(Bloomberg) -- Carved into a mountain range in Arizona’s Sonoran Desert, where temperatures often reach 118F (48C), a vast mining complex more than a century old is on the front lines of a race ...