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  2. Category:Manganese mines in the United States - Wikipedia

    en.wikipedia.org/wiki/Category:Manganese_mines...

    Pages in category "Manganese mines in the United States" The following 5 pages are in this category, out of 5 total. This list may not reflect recent changes. A.

  3. Maple Mountain mine - Wikipedia

    en.wikipedia.org/wiki/Maple_Mountain_mine

    The Maple Mountain mine is a mine located in the north-east of the United States in Maine.Maple Mountain represents one of the largest manganese reserve in the United States, having estimated reserves of 341 million tonnes of manganese ore grading 9% manganese metal.

  4. Postmasburg Manganese Field - Wikipedia

    en.wikipedia.org/wiki/Postmasburg_Manganese_Field

    Primarily, the manganese ore is composed of the minerals braunite, bixbyite, and hausmannite, with subordinate iron and silica. [ 1 ] [ 6 ] Typically, the manganese ore bodies are 5–20 m thick, with strike lengths of up to 10 km. Depth extension reaches up to 400 m, with reserve estimates exceeding 100 Mt, with a life-of-mine of approximately ...

  5. Manganese production by country - Wikipedia

    en.wikipedia.org/wiki/Manganese_production_by...

    Manganese is a chemical element with the symbol Mn and atomic number of 25. It is found as the free element in nature (often in combination with iron), and in many minerals. The free element is a metal with important industrial metal alloy uses.

  6. Chiatura manganese deposit - Wikipedia

    en.wikipedia.org/wiki/Chiatura_manganese_deposit

    Mining near Chiatura. In 1972, facilities put into operation in Chiatura included new mines equipped with ore-dressing plants, a central final concentration plant for processing low-grade manganese ores into higher-grade ores, a central flotation plant, a plant for dressing carbonate ores, and a number of enterprises designed for improving the grade of ores.

  7. Three Kids Mine - Wikipedia

    en.wikipedia.org/wiki/Three_Kids_Mine

    In 1917, three men—B.R. Jefferson, B. Edwards, and J. Marrs—discovered a manganese deposit with a high concentration of 20% to 40%. [6] Coinciding with World War I, open-pit mining operations began at the mine the same year, supplying the United States military with manganese for military equipment such as steel combat helmets.

  8. Chamberlain Manganese Deposits - Wikipedia

    en.wikipedia.org/wiki/Chamberlain_Manganese_Deposits

    The Chamberlain Manganese Deposits are located in north-central United States near Chamberlain, South Dakota. The Chamberlain Deposits represent one of the largest manganese reserves in the United States having estimated reserves of 2 billion tons of manganese ore grading 0.6% manganese metal. Although plentiful, the grade is so low in ...

  9. Category talk:Manganese mines in the United States - Wikipedia

    en.wikipedia.org/wiki/Category_talk:Manganese...

    Category talk: Manganese mines in the United States. Add languages. ... This category is within the scope of ...