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US iron ore made up 2.5 percent of the total mined worldwide in 2015. Employment as of 2014 was 5,750 in iron mines and iron ore treatment plants. [3] US iron ore mining is dominated by the Precambrian banded iron formation deposits around Lake Superior, in Minnesota and Michigan; such deposits were also formerly mined in Wisconsin. For the ...
The geologic history of the formations containing iron are typical of banded iron formations worldwide. [2]: 502–504 Before the 19th century, Native American groups mined native copper on the Keweenaw Peninsula. [9] William Austin Burt discovered iron ore in the Marquette Range near Negaunee, Michigan in 1844. Iron ore was discovered on the ...
Hull–Rust–Mahoning Open Pit Iron Mine; Iron Mountain (Utah) Iron Mountain District; Iron Mountain Mine; Jackson Mine; Minorca Mine; Milford Mine; Mountain Iron Mine; Pioneer Mine; Pyne Mine; Rouchleau Mine; Sloss Mines; Soudan Underground Mine State Park; Wenonah, Alabama
Toggle North America subsection. 1.1 Canada. 1.2 United States. ... Hull–Rust–Mahoning Open Pit Iron Mine; The Iron Mine, Port Henry, New York; Iron Mountain (Utah)
This is a list of countries by iron ore production based on U.S. Geological Survey data. [a] List. Rank Country Usable iron ore production (× 1000 tonnes) Year
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: Sloss Iron and Steel Company: 1882–1960s A group of mines in southwestern Jefferson County, Alabama. [2]
Bog iron was widely sought in colonial North America. The earliest known iron mines in North America are the mines from St. John's, Newfoundland, reportedly in operation by Anthony Parkhurst in 1578. [13] The first mining efforts in Virginia occurred as early as 1608. In 1619 Falling Creek Ironworks was established in Chesterfield County, Virginia.
Most US iron smelting before 1850 took place near iron deposits in eastern Pennsylvania, New York, and northern New Jersey. [3] New Jersey's principal iron ore district, at Dover, supported iron smelters beginning in 1710. The Cornwall Iron Furnace in Pennsylvania was established next to an iron deposit. The Adirondack iron ore district of New ...