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  2. Harmony Gold (mining) - Wikipedia

    en.wikipedia.org/wiki/Harmony_Gold_(mining)

    Website. www.harmony.co.za. Harmony Gold is the largest gold mining company in South Africa. Harmony operates in South Africa and in Papua New Guinea. The company has nine underground mines, one open-pit mine and several surface operations in South Africa. In Papua New Guinea, it has Hidden Valley, an open-pit gold and silver mine and a 50% ...

  3. Graphite mining in Sri Lanka - Wikipedia

    en.wikipedia.org/wiki/Graphite_mining_in_Sri_Lanka

    Graphite mining in Sri Lanka has occurred since the Dutch occupation of the country. It is the only country in the world to produce the purest form of graphite, vein graphite (also known as lump graphite), in commercial quantities, currently accounts for less than 1% of the world graphite production.

  4. Kahatagaha Graphite Mine - Wikipedia

    en.wikipedia.org/wiki/Kahatagaha_Graphite_Mine

    Kahatagaha Graphite Mine (Sinhala: කහටගහ මිනිරන් පතල Kahatagaha Miniran Pathala) is a graphite mine located in the village of Kahatagaha in Dodangaslanda in Kurunegala District, North Western Province. It is one of the largest mines in Sri Lanka. Mining started in 1872, under a British owner and was purchased by ...

  5. Bogala Graphite Mine - Wikipedia

    en.wikipedia.org/wiki/Bogala_Graphite_Mine

    gk-graphite.lk. Bogala Graphite Mine (Sinhala: බොගල ග්‍රැෆයිට් පතල) is a graphite mine located near the village of Aruggammana in Kegalle District, Sabaragamuwa Province. It is one of the largest graphite mines in Sri Lanka, with commercial mining at this location first commencing in 1847. Merenyagé Arnolis ...

  6. Gems of Sri Lanka - Wikipedia

    en.wikipedia.org/wiki/Gems_of_Sri_Lanka

    Traditional Gem Fields of Sri Lanka. Sri Lanka ’s gem industry has a very long and colorful history. Sri Lanka was affectionately known as Ratna-Dweepa which means Gem Island. The name is a reflection of its natural wealth. Marco Polo wrote that the island had the best sapphires, topazes, amethysts, and other gems in the world. [1]

  7. List of deepest mines - Wikipedia

    en.wikipedia.org/wiki/List_of_deepest_mines

    This list of deepest mines includes operational and non-operational mines that are at least 2,212 m (7,257 ft), which is the depth of Veryovkina Cave, the deepest known natural cave in the world. The depth measurements in this list represent the difference in elevation from the entrance of the mine to the deepest excavated point.

  8. Mponeng Gold Mine - Wikipedia

    en.wikipedia.org/wiki/Mponeng_Gold_Mine

    Website. https://www.harmony.co.za. Mponeng is an ultra-deep tabular gold mine in South Africa in the Witwatersrand Basin of the Gauteng Province. [1] Previously know as Western Deep Levels No1 Shaft, the mine began operations in 1986. [2] It is one of the most substantial gold mines in the world in terms of production and magnitude, reaching ...

  9. African Rainbow Minerals - Wikipedia

    en.wikipedia.org/wiki/African_Rainbow_Minerals

    24,016 (includes contractors) [1] Website. www.arm.co.za. African Rainbow Minerals Limited is a mining company based in South Africa. ARM has interests in a wide range of mines, including platinum and platinum group metals (PGMs), iron, coal, copper, and gold. [2] ARM's Goedgevonden coalmine near Witbank is a flagship of their joint venture ...