Search results
Results From The WOW.Com Content Network
In Arizona, copper mining has been a major industry since the 19th century. In 2007, Arizona was the leading copper-producing state in the country, producing 750 thousand metric tons of copper, valued at $5.54 billion. Arizona's copper production was 60% of the total for the United States. Copper mining also produces gold and silver as ...
The Morenci Mine is a large copper mine located near Morenci, Arizona, United States.Morenci represents one of the largest copper reserves in the United States and in the world, having estimated reserves of 3.2 billion tonnes (3.5 × 10 9 short tons) of ore grading 0.16% copper.
A number of byproducts are recovered from American copper mining. In 2013, American copper mining produced 28,500 metric tons of molybdenum, worth about $700–800 million, which was 47% of total US production. [3] In 2014, copper mining produced about 15 metric tons of gold, worth $600 million, which represented 7% of US gold production. [4]
Copper Mountain Mining (CMMC) reported quarterly production of 30.4 million pounds of copper equivalent (25.5 million pounds of copper, 8,187 ounces of gold, and 160,484 ounces of silver). The C1 ...
The Safford Mine is an open-pit copper mine located in Graham County, Arizona, eight miles (13 km) north of the city of Safford. The mine is owned and operated by Freeport-McMoran Copper & Gold. Construction on the Safford mine began in mid-2006. Production began December 26, 2007, with full production starting in 2008. [1]
The mine's owner, Freeport-McMoRan Copper & Gold, continued to work on environmental cleanup of past operations while holding the mine ready in the event of market changes. In December 2007 Freeport-McMoRan reported that it planned to reopen the Climax mine and that production should start in 2010.
Kennecott Utah Copper LLC (KUC), a division of Rio Tinto Group, is a mining, smelting, and refining company. Its corporate headquarters are located in South Jordan, Utah . Kennecott operates the Bingham Canyon Mine , one of the largest open-pit copper mines in the world in Bingham Canyon , Salt Lake County , Utah.
The Oquirrh Mountains have been mined for gold, silver, lead, and most famously for copper, as home of the porphyry copper deposit at Bingham Canyon Mine, one of the world's largest open pit mines. As seen from Salt Lake City, the view of the mountain range is dominated by the displaced rock material (known as overburden) dug from the Kennecott ...