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Phelps Dodge Corporation was an American mining company founded in 1834 as an import-export firm by Anson Greene Phelps and his two sons-in-law William Earle Dodge, Sr. and Daniel James. The latter two ran Phelps, James & Co., the part of the organization based in Liverpool, England. The import-export firm at first exported United States cotton from the Deep South to England and imported various metals to the US needed for industrialization. With the expansion of the Western frontier in North America, the corporation acquired mines and mining companies, including the Copper Queen Mine in Cochise County, Arizona and the Dawson, New Mexico coal mines. It operated its own mines and acquired railroads to carry its products. By the late 19th century, it was known as a mining company.
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Southern Copper Corporation is a mining company that was founded in 1952. The current incarnation of Southern Copper can be traced to the 2005 acquisition of Southern Peru Copper Corporation by the Mexican copper producer Minera México.
The Climax mine, located in Climax, Colorado, United States, is a major molybdenum mine in Lake and Summit counties, Colorado. Shipments from the mine began in 1915. At its highest output, the Climax mine was the largest molybdenum mine in the world, and for many years it supplied three quarters of the world's supply of molybdenum.
The Bagdad Mine is a large copper mine located in Arizona, in the southwestern part of the United States. Bagdad represents one of the largest copper reserves in the United States and in the world, having estimated reserves of 873.6 million tonnes of ore grading 0.36% copper. It is located in Yavapai County, Arizona, just west of the company town of Bagdad. It is currently owned by Freeport-McMoRan. Copper is produced from chalcopyrite and molybdenum from molybdenite. Copper oxides include chrysocolla, malachite and azurite. The mine's concentrator has a capacity of 75,000 metric tons per day using stockpile leaching, with pressure leaching for molybdenum.
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The El Indio Gold Belt is a mineral-rich region spanning the border between Chile and Argentina that contains large quantities of gold, silver and copper. On both sides of the border the belt is located within the Andes. The El Indio mine within the district was the first modern mine in Chile to produce gold as its main product. In Chile the main precious metal containing mineral is enargite. The El Indio belt is bordered in the north by another gold-silver mining district known as the Frontera District. Rodalquilarite, alunite and poughite are some of the minerals present in the area. The deposits of the belt formed during the Late Miocene period.
The Buenavista mine, historically known as the Cananea copper mine, is a large open pit copper mine located in the north-west of Mexico in Cananea, Sonora. It lies 35 km (22 mi) south of the international border near Nogales, Arizona. Buenavista mine represents one of the largest copper reserves in Mexico and in the world. As of 2013, it had estimated reserves of 36 million tonnes of ore grading 0.69% copper, 3.3% zinc and 33.4 million oz of silver. Cananea represents one of the largest copper reserves in Mexico and in the world, having estimated reserves of 4.52 billion tonnes of ore with a grade of 0.42% copper.
The Surdulica mine is one of the largest molybdenum mines in Serbia. The mine is located near Surdulica in south Serbia in Pčinja District. The Surdulica mine has reserves amounting to 125 million tonnes of molybdenum ore grading 0.05% molybdenum thus resulting 62,500 tonnes of molybdenum.
The Mačkatica mine is one of the largest molybdenum mines in Serbia. The mine is located near Mačkatica in south Serbia in Pčinja District. The Mačkatica mine has reserves amounting to 181 million tonnes of molybdenum ore grading 0.07% molybdenum thus resulting 126,000 tonnes of molybdenum.
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The Metrekskoye mine is one of the largest molybdenum mines in Russia. The mine is located near Abakan in south-west Russia in Zabaykalsky Krai. The Metrekskoye mine has reserves amounting to 47.5 million tonnes of molybdenum ore grading 0.1% molybdenum thus resulting 47,500 tonnes of molybdenum.
The Yangjiazhangzi mine is one of the largest molybdenum mines in China. The mine is located in north-east China in Liaoning. The Metrekskoye mine has reserves amounting to 22.8 million tonnes of molybdenum ore grading 0.15% molybdenum thus resulting 32,145 tonnes of molybdenum.
The El Pilar mine is a large proposed copper mine in Sonora, Mexico. El Pilar is one of the largest copper reserves in Mexico and the world having estimated reserves of 685.8 million tonnes of ore grading 0.28% copper. As of 2021, the mine is planned to produce 36,000 tonnes a year starting in 2023.
The Molybrook mine is one of the largest molybdenum mines in Canada. The mine is located in north-east Canada in Newfoundland and Labrador. The Molybrook mine has reserves amounting to 200 million tonnes of molybdenum ore grading 0.05% molybdenum thus resulting 100,000 tonnes of molybdenum.
The Ajax mine is one of the largest molybdenum mines in Canada. The mine is located in western Canada in British Columbia. The Ajax mine has reserves amounting to 552.1 million tonnes of molybdenum ore grading 0.061% molybdenum, thus resulting in 337,000 tonnes of molybdenum.
The Lucky Jack mine is one of the largest molybdenum deposits in the United States. The mine is located West of Crested Butte, Colorado in Gunnison County, Colorado. The Molybrook mine has reserves amounting to 220 million tonnes of molybdenum ore grading 0.37% molybdenum thus resulting 814,000 tonnes of molybdenum.
The Thompson Creek mine is one of the largest molybdenum mines in the United States. The mine is located in northern United States in Idaho. The Thompson Creek mine has reserves amounting to 205 million tonnes of molybdenum ore grading 0.06% molybdenum thus resulting 123,000 tonnes of molybdenum.
The Endako mine is one of the largest molybdenum mines in North America. The mine is located near Fraser Lake, British Columbia, Canada. The Endako mine has reserves amounting to 448.4 million tonnes of molybdenum ore grading 0.033% molybdenum thus resulting 148,000 tonnes of molybdenum.
Molybdenum mining in the United States produced 65,500 metric tons of molybdenum in 2014, worth US$1.8 billion. The US was the world's second-largest molybdenum producer, after China, and provided 25% of the world's supply of molybdenum.
References
- ↑ "El Creston mine". mercatorminerals.com. 2012. Archived from the original on 2013-07-24. Retrieved 2013-07-24.