largest porphyry copper mines in the world

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The 10 biggest copper mines in the world - Mining Technology

Nov 4, 2013 ... Radomiro Tomic copper mine, located in the Atacama Desert of Northern Chile, is the eighth largest copper mine in the world. The open-pit mine was estimated to contain 12.1Mt of fine copper (2,567Mt of ore reserve grading 0.47% copper) at the beginning of 2013. The porphyry copper deposit was...

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Porphyry copper deposit - Wikipedia

Some mines exploit porphyry deposits that contain sufficient gold or molybdenum, but little or no copper. Porphyry copper deposits are currently the largest source of copper ore. Most of the known porphyrys are concentrated in: western South and North America and Southeast Asia and Oceania - along the Pacific Ring of...

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Chuquicamata - Wikipedia

Chuquicamata or "Chuqui" as it is more familiarly known, is by excavated volume the largest open pit copper mine in the world, located in the north of Chile, just outside Calama at 2,850 m (9,350 ft) above sea level, 215 km (134 mi) northeast of Antofagasta and 1,240 km (770 mi) north of the capital, Santiago. Flotation and...

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Porphyry Deposits: The World's Largest Source of Copper | Geology ...

May 28, 2014 ... The term “Porphyry” comes from the word “Porphyritic”, a textural term used by geologists when describing the mineral pattern within the rocks that commonly occur in copper porphyry deposits. Porphyry Copper deposits play an important role in the global economy. These deposits provide over 60% of the...

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What Investors Need to Know About Porphyry Copper Deposits ...

May 4, 2017 ... Porphyry deposits are one of the most important sources of copper and molybdenum, and are also major sources of silver, gold, and tin. In addition, porphyry deposits may host valuable by-products including platinum, palladium, and tungsten. Approximately 50-60 percent of the world's copper, and 95...

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Types of Copper Deposits in the World | Investing News Network

Sep 12, 2017 ... While there are other factors to consider when valuing a copper deposit, the upshot is that a world-class copper deposit holds a copper resource whose value far exceeds the cost of mining and refining. To date, some of the biggest copper finds have been the Kennecott copper mine, a large-scale porphyry...

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Largest Mines in the World - 911 Metallurgist

Sep 20, 2017 ... Chuquicamata, locally known as “Chuqui”, is the biggest open pit copper mine in the world by excavated volume. The pit is located in the north of Chile. ... The Escondida deposit is part of a cluster of porphyry coppers spread through a huge area that is hundred of miles long. 15. Udachnanya Mine.

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These 10 mines will set the copper price for the next decade ...

Nov 3, 2015 ... The world's ten largest copper mines produced 4,315.2kt of fine copper in 2014 representing about 23.3% of the world total according to ICSG. .... Collahuasi mine, a copper-molybdenum porphyry deposit, located 370km north of Escondida, is the second largest producer in our list at 470.4 thousand tonnes...

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World-class Copper Deposits | www.firesteelresources.com

Aug 17, 2015 ... Porphyry copper deposits are the largest source of ore, supplying nearly 60 percent of the world's copper. Porphyry ore bodies typically contain between 0.4 and 1 percent copper in concert with smaller amounts of other metals, such as molybdenum, silver and gold. Porphyry deposits are massive, with...

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World's Largest Mine - Bingham Canyon Copper Open Pit Mine ...

This is one massive hole. Here's text from the current wiki: The Bingham Canyon Mine is an open-pit mining operation extracting a large porphyry cop.

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Studies re-examine how major copper deposits form | EARTH ...

Jun 21, 2015 ... Every year, the world consumes about 20 million tons of copper primarily for construction materials like electrical wiring and water pipes. Most nonrecycled supplies come from porphyry copper deposits (PCDs), which form when hot, metal-bearing fluids percolate up through Earth's crust. But while...

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The Kennicott Copper Mine in Bingham, Utah - Gold Rush Nuggets

The Kennecott Copper Mine, located in Bingham Canyon southwest of Salt Lake City, Utah, in the Oquirrh Mountains is the largest man-made excavation in the world. The mine is an open-pit mining operation extracting porphyry copper. Unlike most mining towns founded during the great gold rush, the Kennecott Mine...

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Cascabel - SolGold - ENSA

The tenement lies on the margin of the Eocene and Miocene metallogenic belts which are renowned for hosting some of the world's largest porphyry copper and gold deposits, like the giant La Escondida Copper Mine in Chile, which is the world's largest producer of copper and hosted within the same age host rocks as...

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Porphyry copper deposit | mineralogy | Britannica.com

Porphyry copper deposit, large body of rock, typically a porphyry of granitic to dioritic composition, that has been fractured on a fine scale and through which ... in the southwestern United States (where molybdenum is produced as a by-product), the Solomon Islands, Canada, Peru, Chile, Mexico, and other parts of the world.

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World-class ore deposits

Sciences contains five of the eight papers presented at the World-Class Ore Deposits Symposium held as part ... Australia's most successful gold mining companies and an employer of geoscientists, was pleased to be ... controls of the largest porphyry copper-gold and epi- thermal gold deposits in the circum-Pacific region,.

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Copper and Coal Resources - Springer

world production (Johnson et al. 2014). This deposit type was exploited in Utah at the mine now known as Bingham Canyon where large-scale mining began in 1906. Northern Chile currently has the largest number of major porphyry copper deposits that include Chuquicamata, El Teniente and Escondida. The majority of...

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Tempo of magma degassing and the genesis of porphyry copper ...

Jan 12, 2017 ... Porphyry deposits are copper-rich orebodies formed by precipitation of metal sulphides from hydrothermal fluids released from magmatic intrusions that cooled at depth within the Earth's crust. Finding new porphyry deposits is essential because they are our largest source of copper and they also contain...

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Bristol PCD

Our objective is to modify existing porphyry copper deposit (PCD) models in the light of recent advances in geological research through 5 key questions: * What is the ... The systems also contain major resources of these metals as well as including the world's largest known exploitable concentrations of Cu (203 Mt: Los.

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How are Copper deposits formed? - Australian Mines Atlas

Because copper reacts readily with other substances, it can be formed in a variety of ways in the Earth's crust. It is often found in deposits with other metals such as lead, zinc, gold and silver. By far the largest amounts of copper are found in the crust in bodies known as porphyry copper deposits. These deposits were once...

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Copper - British Geological Survey

Copper. Major deposit classes. Porphyry deposits. Porphyry copper deposits are currently the world's main source of copper (50–60% of world production), molybdenum (99% of world production) and rhenium15. They are also significant sources of gold, silver and tin and a range of by-product metals. Porphyry deposits are.

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Butte, Montana – The Richest Hill on Earth - Dakota Matrix Minerals

Helena, the State capital is 66 miles north on I-15, and Billings, the largest city in Montana is 226 miles east on I-90. Leonard mine workers - Butte 1914. John Taylor Collection. History. Although Butte was one of the largest producing copper districts in the world, its mining heritage can be traced to the discovery of gold in...

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Copper Cliffs Mine - Clark Fork Coalition

Yet the company knows enough to recognize that the ore they are looking at is a “porphyry copper” deposit – a disseminated, vein-rich type of deposit that often hosts gold and molybdenum along with copper. Porphyry copper deposits host some of the largest mines in the world and – more often than not – they are open pit...

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Geology - Casino Mining Corporation

Casino is mainly a copper and gold deposit and typical of many porphyry copper deposits. The deposit, which ranks among the largest in the world, is centered on the 70-million-year-old, Patton Porphyry, which intrudes older, surrounding rocks from the Dawson Range Batholith and Yukon Crystalline Complex.

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Copper in New Mexico - New Mexico Bureau of Geology & Mineral ...

Porphyry copper deposits are the most important tJpe of copper deposit in the world. The Tyrone (Burro Mountains dis- trict) and Chino (Santa Rita district) mines. (Table 9) were the 3rd and 5th largest cop- per mines in the United States in 1990 flolly and Edelstein, 1992). In 1994, the. Chino mine was the 4th and the Tyrone.

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Understanding the copper heart of volcanoes - Phys.org

Feb 9, 2015 ... To resolve this copper-sulphur paradox, the Bristol team, working in collaboration with BHP Billiton, the world's largest mining company, drew on observations of modern arc volcanoes, including several in Chile, source of most of the world's copper, to postulate a two-step process for porphyry copper...

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Chuquicamata, the world's greatest copper orebody - TU ...

Porphyry. Potassic alteration, the early stage of alteration, affects all porphyries. Veins of quartz- molybdenite, up to 5 m wide and cutting all porphyries, were ..... Chuquicamata is both the world's greatest copper orebody and the most unusual of all porphyry copper deposits. We can not understand all its phenomena and...

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New technique to find copper deposits -- ScienceDaily

Feb 1, 2016 ... The project, funded by Anglo American, a major global mining company, compared the chemical compositions of minerals from magmatic rocks that host porphyry deposits against those which are barren. A case study was then undertaken of a major new porphyry discovery in Chile, to test their theory.

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Molybdenum opportunities in Queensland - Department of Natural ...

In these deposits, molybdenum is associated as an accessory phase with porphyry-style mineralisation, intrusive-related tin and tungsten deposits, uranium deposits, some copper–gold deposits in northwest Queensland and in oil shales. Merlin. The Merlin (Mount Dore) deposit is the world's highest grade molybdenum and...

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Open Pit Mines, Southern Arizona : Image of the Day - NASA Earth ...

Feb 8, 2010 ... Copper is a good conductor of electricity and heat, and it is a vital element of virtually all modern electronic devices. Arizona is the United States' largest source of copper, primarily mined from a type of ore body known as porphyry copper deposits. The most common approach to extracting metal-bearing ore...

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EARTHWORKS | US Copper Porphyry Mines

Aug 6, 2012 ... The Pebble Mine is proposed for development at the headwaters of the Bristol Bay watershed in southwest Alaska, which supports the world's largest wild sockeye salmon fishery. According to current ore estimates, the Pebble Mine would be the largest copper porphyry mine in the U.S., if constructed.

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Copper - NERC Open Research Archive

Copper. Major deposit classes. Porphyry deposits. Porphyry copper deposits are currently the world's main source of copper (50–60% of world production), molybdenum (99% of world production) and rhenium15. They are also significant sources of gold, silver and tin and a range of by-product metals. Porphyry deposits are.

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EARTHWORKS | US Copper Porphyry Mines

Aug 6, 2012 ... The Pebble Mine is proposed for development at the headwaters of the Bristol Bay watershed in southwest Alaska, which supports the world's largest wild sockeye salmon fishery. According to current ore estimates, the Pebble Mine would be the largest copper porphyry mine in the U.S., if constructed.

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Copper | Earth Sciences Museum | University of Waterloo

The largest porphyry copper deposit of the Canadian Cordillera is approximately one billion tonnes with grades just under 0.5% copper; most are much smaller. At the present time, approximately half the world's copper reserves, 60% of Canadian copper resources, and 90% of British Columbia's reserves are contained in...

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Porphyry Copper & Grade - MarketCapMarketCap

Porphyry deposits have several characteristics that make them attractive investments for major mining companies – companies which focus on profitability and mine life, not on grade. They can be gigantic – for example, as at 31 December 2011 Escondida had sulphide reserves of 4.9 billion tonnes at 0.71% copper and a...

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porphyry copper deposit at El Salvador, Chile | Economic Geology ...

Aug 1, 1975 ... The formation of the porphyry copper deposit at El Salvador culminated volcanic activity in the Indio Muerto district. ... types are not exposed away from the area affected by alteration and mineralization and because chemical and mineralogic variation within a single fresh major intrusive unit, "L" Porphyry,...

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Exploration & Geology - Copper Flat Mine - Mac Resources Group

In 2007 the USA alone supplied up to 8% of the world's copper demand, with the state of New Mexico ranked by the U.S. Geological Survey (USGS) as the third largest USA supplier. Copper porphyry deposits are globally restricted to two types of orogenic belts: those created along a subduction zone (where a continental...

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The geochemistry of gossans associated with Sarcheshmeh ...

Dec 19, 2017 ... Request (PDF) | The geochemistry of... | The Sarcheshmeh copper deposit is one of the world's largest Oligo-Miocene porphyry copper deposits in a continental arc setting with a well developed supergene sulfide zone, covered mainly by a hematitic gossan. Supergene oxidation and leaching, have...

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Overview of Cu-Ni Deposits in Minnesota: A Geological Perspective

The Largest UNDEVELOPED Cu-Ni Deposit on Earth. From Peterson, 2010. Duluth deposits are perceived as low grade. But compared to the source of most of the world's copper - Porphyry Copper Deposits... …the Duluth Complex ores are HIGHER GRADE with MORE CONTAINED METAL than nearly all porphyry...

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Mining Journal - Evidence Mounts For World Class District

Dec 11, 2017 ... Perhaps the best example of skarns and high-sulphidation deposits that are associated with copper porphyry is the massive Grasberg mineralised complex in Indonesia. Production began at the Ertsberg deposit in 1972. Until around 2012, Grasberg was the world's largest gold mine and second largest...

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A new technique for finding copper deposits | Cosmos

Feb 2, 2016 ... A new technique could revolutionise the way mining companies identify copper deposits, particularly those located deep underground. ... from magmatic rocks that host porphyry deposits against those which are barren and then tested their theory against data from a major new porphyry discovery in Chile.

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