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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

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.

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

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.

Technology and industry

Gold mining

Gold mining is the resource extraction of gold by mining.

Architecture, Technology and industry

Carmichael coal mine

The Carmichael coal mine is a proposed thermal coal mine in the north of the Galilee Basin in Central Queensland, Australia. Mining is planned to be conducted by both open-cut and underground methods. The mine is proposed by Adani Mining, a wholly owned subsidiary of India's Adani Group. The development represents a $16.5 billion investment.

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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.

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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.

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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.

Architecture, Technology and industry

Ombilin Coal Mine

The Ombilin Coal Mine is a coal mine near Sawahlunto, West Sumatra, Indonesia. It is located approximately 70 kilometres (43 mi) northeast of Padang. By 2008, the mine had estimated reserves about 90.3 million tonnes of coking coal, of which 43 million tonnes was mineable. The mine is owned by PT Tambang Batubara Bukit Asam (PTBA) and operated by the China National Technology Import-Export Corporation (CNTIC). The mine produces about 500,000 tonnes of coal per year.

Architecture, Technology and industry

Berkeley Pit

The Berkeley Pit is a former open pit copper mine located in Butte, Montana, United States. It is one mile long by half a mile wide with an approximate depth of 1,780 feet (540 m). It is filled to a depth of about 900 feet (270 m) with water that is heavily acidic, about the acidity of cola or lemon juice. As a result, the pit is laden with heavy metals and dangerous chemicals that leach from the rock, including copper, arsenic, cadmium, zinc, and sulfuric acid.

Society, Business and economy, Technology and industry

Rio Tinto Group

Rio Tinto Group 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, coal, 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.

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.