Search results
Results from the WOW.Com Content Network
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. After a long shutdown, the Climax mine reopened and resumed molybdenum shipment on May 10, 2012. The mine is owned by Climax Molybdenum Company, a subsidiary of Freeport-McMoRan.
Freeport-McMoRan Inc., often called Freeport, is an American mining company based in the Freeport-McMoRan Center, in Phoenix, Arizona. The company is the world's largest producer of molybdenum , a major copper producer and operates the world's largest gold mine , the Grasberg mine in Papua, Indonesia .
The only working underground mine in Colorado in 2008 was the Cash mine, built in 1872, at Gold Hill in Boulder County. Each ton of ore yields about .75 ounce of gold at the mine, which daily extracts about 50 tons of ore. [4] 2004 nahcolite: Piceance Basin: American Soda pilot project that mined via fracturing ended after 3.75 years. [5] 2004 coal
By now you've seen Freeport-McMoRan Copper & Gold's (NYS: FCX) quarterly results, wherein earnings were nearly cut in half versus year-ago levels by labor strife in Indonesia. Those numbers were ...
Climax Mine, 2007. The Climax mine, historically the world's largest source of molybdenum, is north of Leadville, Colorado. Climax first produced molybdenum in 1915, and was worked continuously from 1924 until it was shut down in 1995. Formerly an underground mine, the Climax mine reopened as a surface mine in 2012.
The disaster occurred in the early hours of 22 September 1934, when a huge explosion took place about 1.3 miles (2.1km) from a shaft. Six miners managed to escape but by the evening of the next ...
In 1986, Cyprus acquired the Sierrita copper and molybdenum mine near Tucson, Arizona. In July 1988, Cyprus Minerals bought the Inspiration mine and smelting complex in Miami, Arizona . [ 2 ] With the expiry of an agreement to purchase electricity at a favorable rate from the Salt River Project , Cyprus Minerals installed an ISASMELT furnace in ...
Coal mining in Iowa declined in the 1920s and most mines closed in the 1950s. Reclamation of the abandoned areas began in 1983 following the federal Surface Mining Control and Reclamation Act of ...