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United States portal; Pages in category "Manganese mines in the United States" The following 5 pages are in this category, out of 5 total.
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.
This is a list of countries by manganese ore mining in 2015, based on United States Geological Survey accessed in 2016 ... for example Manganese Mines. [3] [4] [5] [6
Mine: State: Coordinates: Town: Owner: Dates: Comments: Pyne Mine: Alabama 33°22′33.18″N 86°55′21.65″W Lacey's Chapel: Woodward Iron Company: 1918–1971 One of only two shaft mines dug in the Birmingham District, and the last ore mine to operate in the region, closing in 1971. Sloss Mines: Alabama 33.39816°N 86.93276°W Red Mountain
The Cuyuna Range mine is a mine located in the north of the United States in Minnesota. Cuyuna Range represents one of the largest manganese reserve in the United States having estimated reserves of 247 million tons of manganese ore grading 8% manganese metal.
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.
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 ...
The Artillery Peak mine is a mine located in the western United States, about 3 miles (4.8 km) north of Alamo Lake in Mohave County, Arizona.Artillery Peak represents one of the largest manganese reserves in the United States, with estimated reserves of 159 million tons of manganese ore graded 3.9% manganese metal.