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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. 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.

  5. 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 ...

  6. Postmasburg Manganese Field - Wikipedia

    en.wikipedia.org/wiki/Postmasburg_Manganese_Field

    The Postmasburg Manganese Field's (PMF) history began with early geological mapping in 1930 and local prospecting in 1940s. [1] Systematic exploration in the 1950s led to discoveries at Gloria mine (1953), Nchwaning mine (1955), Mamatwan mine (1957), and Wessels mine (1958). Mining commenced with Gloria Mine in 1957, followed by Nchwaning in ...

  7. Milford Mine - Wikipedia

    en.wikipedia.org/wiki/Milford_Mine

    The Milford Mine produced high manganese-content iron ore [2] in Wolford Township, Minnesota, United States.On February 5, 1924, it was the site of the Milford Mine Disaster, the worst mining accident in Minnesota history, when it was flooded by water from a nearby lake, killing 41 miners.

  8. Franklin Furnace - Wikipedia

    en.wikipedia.org/wiki/Franklin_Furnace

    Franklin Furnace ca. 1900 Fluorescent minerals of the Franklin mineral district: franklinite (black), willemite (green), and calcite (red). USGS. Franklin Furnace, also known as the Franklin Mine, is a famous mineral location for rare zinc, [1] iron, and manganese minerals in old mines in Franklin, Sussex County, New Jersey, United States.

  9. Lists of mines in the United States - Wikipedia

    en.wikipedia.org/wiki/Lists_of_mines_in_the...

    This list of mines in the United States is subsidiary to the list of mines article and lists working, defunct and future mines in the country and is organised by the primary mineral output. For practical purposes stone, marble and other quarries may be included in this list.