copper open pit mining in chile



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Chile's huge open

Nov 11, 2012· Inside the world's largest open-pit copper mine, dump trucks as big as two-story houses work around the clock to haul hundreds of tons of rock and ,...

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2 Mining Methods

Open pit mining is a technique used to extract copper ore near the earth's surface Open pit mining is the most widely used technique of mining copper today It is accomplished by creating and using benches or terraces to gradually reach deeper under the earth's surface Underground mining is used when the copper ore is not near the earth's ....

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Escondida Mine, Chile

This ASTER image covers 30 by 37 km in the Atacama Desert, Chile and was acquired on April 23, 2000 The Escondida Cu-Au-Ag open-pit mine is at an elevation of 3050 m, and came on stream in 1990 Current capacity is 127,000 tons/day of ore; in 1999 production totaled 827,000 tons of copper, 150,000 ounces of gold and 353 million ounces of silver...

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Huge Holes in the Earth: Open

New Cornelia Mine, Arizona Copper was first mined from this area just south of the mining town of Ajo, Arizona, around 1750 The open-pit mine pictured above began being excavated in earnest in 1912...

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Chile's Open

Chile's Open-Pit Copper Mine Goes Underground , Inside the world's largest open-pit copper mine, dump trucks as big as two-story houses work around the clock to haul hundreds of tons of rock and ....

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Top Copper Producing Countries In The World

Apr 25, 2017· Chile The top producers of copper are found throughout the world The number one producer is Chile, a South American country Chile produces 5,750,000 tons of copper annually The country attracted foreign private investments in the 90's when the government passed a mining law that compensation regulations for the case of mine nationalisation...

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Escondida Mine, Chile

This Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) image covers 30 by 23 km (full images 30 x 37 km) in the Atacama Desert, Chile, and was acquired on April 23, 2000 The Escondida copper, gold, and silver open-pit mine is at an elevation of ,...

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Most Amazing Open

The Bingham Canyon Mine, also known as the Kennecott Copper Mine, is an open-pit mining operation extracting a large porphyry copper deposit southwest of Salt Lake City, Utah, USA, in the Oquirrh Mountains The mine is owned by Rio Tinto Group, an international mining and exploration company ,...

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Reading: Open

Reading: Open-Pit Mining , Nickel, generally as laterite, is extracted via open-pit down to 02% Copper is extracted at grades as low as 015% to 02%, generally in massive open-pit mines in Chile, where the size of the resources and favorable metallurgy allows economies of scale...

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These 10 mines will set the copper ,

The mine operates as an open pit but underground construction began in late 2011 which will access 17Bt of reserves grading 07% copper and 502ppm molybdenum (approximately 40 years of mine life) and as of December 2014 construction was 924% complete with first production scheduled for 2018...

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Chile's huge open

Nov 11, 2012· Inside the world's largest open-pit copper mine, dump trucks as big as two-story houses work around the clock to haul hundreds of tons of rock and minerals 2,790 feet (850 meters) to the surface ....

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Open Pit Copper Mine Stock Photos

Copiapo, Region de Atacama, Chile - January 17, 2012: Huge dump trucks in an open pit Copper mine at northern Chile Open Pit Copper Mine in Chile Open Pit Copper Mine at dawn Lavender Open pit copper mine, Bisbee, USA Lavender Open pit copper mine,...

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Chuquicamata

Chuquicamata is, by excavated volume, the largest open pit copper mine in the world Its depth of 850m makes it the second deepest open-pit mine in the world (after Bingham Canyon mine in Utah, USA) It is located in the north of Chile, only 15 km from the city of Calama and 1,240 km from Santiago...

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