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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.
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 ...
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 .
The mineral manganese was used in the production of steel. Mining at Crimora continued intermittently under a series of owners until March 1946. The Crimora deposit is about 500 feet wide, 200 feet deep, and half a mile long and consists of clay with scattered lumps of manganese ore.
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.
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 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.
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