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  2. Illegal mining - Wikipedia

    en.wikipedia.org/wiki/Illegal_mining

    Illegal mining is mining activity that is undertaken without state permission. Illegal mining is the extraction of precious metals without following the proper procedures to participate in legal mining activity. These procedures include permits and licenses for exploration of the land, mining and transportation. [1]

  3. Challan - Wikipedia

    en.wikipedia.org/wiki/Challan

    Challan or Chalan is a common Hindi word (चालान, cālān) that has become an Indian English technical word used officially in many professional, especially financial transactions. It usually means an official form or receipt of acknowledgement or other kind of proof document, piece of paperwork, police citation, etc.

  4. Mining in the United States - Wikipedia

    en.wikipedia.org/wiki/Mining_in_the_United_States

    In the United States, this method of coal mining is conducted in the Appalachian Mountains in the eastern United States. Explosives are used to remove up to 400 vertical feet (120 m) of mountain to expose underlying coal seams. Excess rock and soil is dumped into nearby valleys, in what are called "holler fills" ("hollow fills") or "valley fills".

  5. Mining in Chile - Wikipedia

    en.wikipedia.org/wiki/Mining_in_Chile

    Mining in Chile. The mining sector in Chile is one of the pillars of Chilean economy and copper exports alone stands for more than one third of government income. Most mining in Chile is concentrated to the Norte Grande region spanning most of the Atacama Desert. Mining products of Chile includes copper, gold, silver, molybdenum, iron and coal.

  6. Joe Manchin and mining officials slam EV tax credit rule ...

    www.aol.com/finance/joe-manchin-mining-officials...

    China hawks and domestic mining officials voiced their displeasure at the final rule. West Virginia Democratic Sen. Joe Manchin, who personally pushed for last-minute changes to the original tax ...

  7. Deep sea mining - Wikipedia

    en.wikipedia.org/wiki/Deep_sea_mining

    Deep sea mining is the extraction of minerals from the ocean floor at depths of 200 metres (660 ft) [2] [3] to 6,500 metres (21,300 ft). [4] [5] [6] Deep-sea mining uses hydraulic pumps or bucket systems that carry deposits to the surface for processing. The environmental impact of deep sea mining is controversial.

  8. Coal mining - Wikipedia

    en.wikipedia.org/wiki/Coal_mining

    Coal mining. Coal mining is the process of extracting coal from the ground or from a mine. 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.

  9. Mining in India - Wikipedia

    en.wikipedia.org/wiki/Mining_in_India

    Mining in India. The mining industry in India is a major economic activity which contributes significantly to the economy of India. The gross domestic product (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%.