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Re: AllyAustin post# 9081

Monday, 12/10/2007 10:21:28 PM

Monday, December 10, 2007 10:21:28 PM

Post# of 83044
I wonder how close Copper King is to Kennecott?? Time will tell..We need some cold hard facts



The Pit Grows Deeper

In 1936, Kennecott Copper Corporation bought Utah Copper Company and later changed it to the Utah Copper Division. But work at the mine continued as usual.

In the 1940s, the company built a new 100,000-kilowatt power plant and constructed two rail haulage tunnels as "The Pit" got deeper.

In 1942, Daniel Jackling retired as president of Utah Copper. He has been called one of the world's greatest engineers because he envisioned mining on such a grand scale and revolutionized the industry. Plus, he did not let the doubts of others get in the way of his vision.

In the 1950s, Kennecott constructed its own refinery and bought the nearby ASARCO smelter. That gave Kennecott a complete production line -- from mining through concentrating, smelting and refining.

In the 1960s, Kennecott's Utah Copper Division spent $100 million on new haulage trucks, large drills, and bigger electric shovels.

Further modernization projects continued in the late 1980's. By 1988 Kennecott had built an ore crusher right in the pit. This meant that the trucks could now dump the ore into the crusher without having to send it to a reload facility for it's loading into railcars for transportation. The crushed ore is transported by conveyor belts to the new Copperton Concentrator five miles away.

This has made the operation much more efficient and helped make Kennecott Utah Copper one of the lowest-cost producers of copper in the world. More efficient mining of copper also helps keep the cost of copper down for the consumer.

Each addition to it's operations, such as gigantic shovels that can scoop up 98 tons of rock in a single bite, and huge 240 ton capacity haulage trucks meant that Kennecott Utah Copper could process larger amounts of ore every day.

Back in 1906, the steam shovels of the Utah Copper Company removed 100,000 tons of material per month. Today, Kennecott Utah Copper removes 500,000 tons of material every day! Kennecott's Bingham Canyon Mine has produced more copper than any mine in history -- more than 17 million tons. Plus, it has produced 23 million ounces of gold, 190 million ounces of silver, and 890 million pounds of molybdenum.The Pit is now about 3,960 feet deep, and still growing. Engineers estimate that it can go about another 650 feet deeper. At that point, it would cost too much to haul the ore out of the mine and Kennecott Utah Copper couldn't make a profit.




The Legendary Pit
Mining Begins at Bingham Canyon
The Mountain Disappears
The Pit Grows Deeper
A Picture History of the Growing Pit

http://www.kennecott.com/history_mining_story4.html


http://www.kennecott.com/history_mining_story5.html


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