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  2. Geography of Bihar - Wikipedia

    en.wikipedia.org/wiki/Geography_of_Bihar

    Steatite, Pyrites, Quartzite, Crude Mica, Limestone. Natural hazards. Floods. Bihar is located in the eastern region [4] of India, between latitudes 24°20'10"N and 27°31'15"N and longitudes 83°19'50"E and 88°17'40"E. It is an entirely land–locked state, in a subtropical region of the temperate zone.

  3. Jaduguda uranium mine - Wikipedia

    en.wikipedia.org/wiki/Jaduguda_Uranium_Mine

    Website. www.ucil.gov.in. The Jaduguda Mine (also spelt as Jadugoda or Jadugora) is a uranium mine in Jaduguda village in the Purbi Singhbhum district of the Indian state of Jharkhand. It commenced operation in 1967 and was the first uranium mine in India. [1] The deposits at this mine were discovered in 1951.

  4. Coal mining - Wikipedia

    en.wikipedia.org/wiki/Coal_mining

    Coal extraction methods vary depending on whether the mine is an underground mine or a surface (also called an open cast) mine. Additionally, coal seam thickness and geology are factors in the selection of a mining method. The most economical method of coal extraction for surface mines is the electric shovel or drag line.

  5. Mining in India - Wikipedia

    en.wikipedia.org/wiki/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%. Even mining done on small scale contributes 6 ...

  6. Coal in India - Wikipedia

    en.wikipedia.org/wiki/Coal_in_India

    Coal in India has been mined since 1774, and India is the second largest producer and consumer of coal after China, mining 777.31 million metric tons (856.84 million short tons) in FY 2022. Around 30% of coal is imported. Due to demand, supply mismatch and poor quality with high ash content, India imports coking coal to meet the shortage of ...

  7. History of metallurgy in the Indian subcontinent - Wikipedia

    en.wikipedia.org/wiki/History_of_metallurgy_in...

    The history of metallurgy in the Indian subcontinent began prior to the 3rd millennium BCE. [1] Metals and related concepts were mentioned in various early Vedic age texts. The Rigveda already uses the Sanskrit term ayas ( Sanskrit: अयस्, romanized : áyas, lit. 'metal; copper; iron'). [2]

  8. List of mines in India - Wikipedia

    en.wikipedia.org/wiki/List_of_mines_in_India

    1967–Present. Discovered in 1951, Jaduguda Mine has the distinction of being the first uranium mine of the country. The mine is accessed through two 5-metre (16 ft) diameter vertical shafts of depth of 640 m (2,100 ft), attaining a total depth of 905 m (2,969 ft). Narwapahar Mine. Jharkhand. Jadugora, East Singhbhum. Uranium Corporation of India.

  9. Chota Nagpur Plateau - Wikipedia

    en.wikipedia.org/wiki/Chota_Nagpur_Plateau

    Jharkhand, West Bengal, Chhattisgarh, Odisha and Bihar. The Chota Nagpur Plateau is a plateau in eastern India, which covers much of Jharkhand state as well as adjacent parts of Chhattisgarh, Odisha, West Bengal and Bihar. The Indo-Gangetic plain lies to the north and east of the plateau, and the basin of the Mahanadi river lies to the south.