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  2. Peddireddy Ramachandra Reddy - Wikipedia

    en.wikipedia.org/wiki/Peddireddy_Ramachandra_Reddy

    affiliations. Indian National Congress (1989 - 2013) Peddireddy Ramachandra Reddy is an Indian politician from the state of Andhra Pradesh. He is serving as Minister of Energy, Forest, Environment, Science and Technology, Mines and Geology in the Andhra Pradesh government since April 2022. [1] Earlier he served as the Panchayat Raj and Rural ...

  3. Golconda diamonds - Wikipedia

    en.wikipedia.org/wiki/Golconda_diamonds

    Golconda diamonds are mined in the Godavari-Krishna delta region of Andhra Pradesh, India. Golconda Fort in the western part of modern-day Hyderabad was a seat of the Golconda Sultanate and became an important centre for diamond enhancement, lapidary, and trading. Golconda diamonds are graded as Type IIa, are formed of pure carbon, are devoid ...

  4. Bapatla district - Wikipedia

    en.wikipedia.org/wiki/Bapatla_district

    Website. bapatla .ap .gov .in. Bapatla district is a district in coastal Andhra in the Indian state of Andhra Pradesh (AP) established on 4 April 2022. The administrative headquarters are in Bapatla. The district is formed from parts of the erstwhile Prakasam district and Guntur districts.

  5. 2024 Andhra Pradesh Legislative Assembly election - Wikipedia

    en.wikipedia.org/wiki/2024_Andhra_Pradesh...

    The committee was formed in response to petitions alleging illegal sand mining in the state. Additionally, the committee noted that the state government failed to provide information and documents requested from the Department of Mines and Geology regarding district-wise sand reaches allotted, permitted quantities, and violations.

  6. 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.

  7. Heavy mineral sands ore deposits - Wikipedia

    en.wikipedia.org/wiki/Heavy_mineral_sands_ore...

    Heavy mineral sands are a class of ore deposit which is an important source of zirconium, titanium, thorium, tungsten, rare-earth elements, the industrial minerals diamond, sapphire, garnet, and occasionally precious metals or gemstones . Heavy mineral sands are placer deposits formed most usually in beach environments by concentration due to ...

  8. United States Bureau of Mines - Wikipedia

    en.wikipedia.org/wiki/United_States_Bureau_of_Mines

    Parent department. Department of the Interior. For most of the 20th century, the United States Bureau of Mines ( USBM) was the primary United States government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources. The Bureau was abolished in 1996.

  9. Geological Survey of India - Wikipedia

    en.wikipedia.org/wiki/Geological_Survey_of_India

    The Geological Survey of India (GSI) is a scientific agency of India.It was founded in 1851, as a Government of India organization under the Ministry of Mines, one of the oldest of such organisations in the world and the second oldest survey in India after the Survey of India (founded in 1767), for conducting geological surveys and studies of India, and also as the prime provider of basic ...

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