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Mining

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Tata Group

Tata Group is an Indian multinational conglomerate holding company headquartered in Mumbai, Maharashtra. Founded in 1868 by Jamshedji Tata, the company gained international recognition after purchasing several global companies, beginning with Tetley in 2000, recorded as "the biggest acquisition in Indian corporate history." One of India's largest conglomerates, Tata Group is owned by Tata Sons, a registered charity.

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ArcelorMittal

ArcelorMittal S.A. is a Luxembourgish multinational steel manufacturing corporation headquartered in Luxembourg. It was formed in 2006 from the takeover and merger of Arcelor by Indian owned Mittal Steel. ArcelorMittal is the world's largest steel producer, with an annual crude steel production of 98.1 million tons as of 2014. It is ranked 123 in the 2017 Fortune Global 500 ranking of the world's biggest corporations.

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Glencore

Glencore plc is an Anglo–Swiss multinational commodity trading and mining company with headquarters in Baar, Switzerland, and a registered office in Saint Helier, Jersey. The current company was created through a merger of Glencore with Xstrata on 2 May 2013. As of 2015, it ranked tenth in the Fortune Global 500 list of the world's largest companies.

Technology and industry

Coal mining

Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content, and, since the 1880s, has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production. In the United Kingdom and South Africa, a coal mine and its structures are a colliery, a coal mine a pit, and the above-ground structures the pit head. In Australia, "colliery" generally refers to an underground coal mine. In the United States, "colliery" has been used to describe a coal mine operation but nowadays the word is not commonly used.

Technology and industry

Gold mining

Gold mining is the resource extraction of gold by mining.

Technology and industry

Quarry

A quarry is a type of open-pit mine in which dimension stone, rock, construction aggregate, riprap, sand, gravel, or slate is excavated from the ground.

Society, Business and economy, Technology and industry

Rio Tinto (corporation)

Rio Tinto is an Anglo-Australian multinational and one of the world's largest metals and mining corporations. The company was founded in 1873, when a multinational consortium of investors purchased a mine complex on the Rio Tinto, in Huelva, Spain, from the Spanish government. Since then, the company has grown through a long series of mergers and acquisitions to place itself among the world leaders in the production of many commodities, including aluminium, iron ore, copper, uranium, and diamonds. Although primarily focused on extraction of minerals, Rio Tinto also has significant operations in refining, particularly for refining bauxite and iron ore. The company has operations on six continents, but is mainly concentrated in Australia and Canada, and owns its mining operations through a complex web of wholly and partly owned subsidiaries. Rio Tinto has joint head offices in London and Melbourne.

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Anglo American plc

Anglo American plc is a multinational mining company based in Johannesburg, South Africa and London, United Kingdom. It is the world's largest producer of platinum, with around 40% of world output, as well as being a major producer of diamonds, copper, nickel, iron ore and metallurgical and thermal coal. The company has operations in Africa, Asia, Australasia, Europe, North America and South America.

Architecture, Technology and industry

Cerro Gordo Mines

The Cerro Gordo Mines are a collection of abandoned mines located in the Inyo Mountains, near Lone Pine, California in Inyo County, California. Mining operations were undertaken from 1866 until 1957, producing high grade silver, lead, and zinc ore. Some ore was smelted on site, but larger capacity smelters were eventually constructed along the shore of nearby Owens Lake.

Technology and industry

Mining in India

The Mining industry in India is a major economic activity which contributes significantly to the economy of India. The GDP contribution of the mining industry varies from 2.2% to 2.5% only but going by the GDP of the total industrial sector it contributes around 10% to 11%. Even mining done on small scale contributes 6% to the entire cost of mineral production. Indian mining industry provides job opportunities to around 700,000 individuals.

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Vedanta Limited

Vedanta Limited, formerly known as Sesa Sterlite/Sesa Goa Limited, a Vedanta Group company is one of the world's largest global diversified natural resource majors, with operations across zinc-lead-silver, oil & gas, iron ore, copper, aluminium and commercial power.

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Vedanta Resources

'Vedanta Resources plc is a global diversified [Account Number : 20152236535 Nama : Kamatchi sundaram K Branch : JP Nagar IFSC Code : SBIN0007117metals]] and mining company with its headquarters in London, United Kingdom. It is the largest mining and non-ferrous metals company in India and has mining operations in Australia and Zambia and oil and gas operations in three countries. Its main products are Zinc, Lead, Silver, Oil & Gas, Iron Ore, Steel, Aluminium and Power. It is also developing commercial power stations in India in Odisha and Punjab. The company is principally owned by Indian billionaire Anil Agarwal through Volcan Investments, a holding vehicle with a 61.7% stake in the business.

Technology and industry

Uranium mining

Uranium mining is the process of extraction of uranium ore from the ground. The worldwide production of uranium in 2015 amounted to 60,496 tonnes. Kazakhstan, Canada, and Australia are the top three producers and together account for 70% of world uranium production. Other important uranium producing countries in excess of 1,000 tons per year are Niger, Russia, Namibia, Uzbekistan, China, the United States and Ukraine. Uranium from mining is used almost entirely as fuel for nuclear power plants.

Architecture, Technology and industry

Grasberg mine

The Grasberg mine is the largest gold mine and the second largest copper mine in the world. It is located in the province of Papua in Indonesia near Puncak Jaya, the highest mountain in Papua. It has 19,500 employees. It is mostly owned by Freeport-McMoRan (FCX), which owns 90.64% of PT Freeport Indonesia (PT-FI), the principal operating subsidiary in Indonesia, including 9.36% owned through its wholly owned subsidiary, PT Indocopper Investama. The government of Indonesia owns the remaining 9.36% of PT Freeport Indonesia.

Technology and industry

Surface mining

Surface mining, including strip mining, open-pit mining and mountaintop removal mining, is a broad category of mining in which soil and rock overlying the mineral deposit are removed, in contrast to underground mining, in which the overlying rock is left in place, and the mineral is removed through shafts or tunnels.