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iron mining superior basin

Iron Mining In the Lake Superior Basin

Iron Mining In the Lake Superior Basin Minntac Iron Mine in Minnesota Project Report 11-1 October 2011 Great Lakes Indian Fish Wildlife Commission Environmental Section P.O. Box 9 Odanah, WI 54861 (715) 682-6619 Introduction A new taconite mine in the Penokee Range of Wisconsin is being discussed and may eventually be proposed. The Board of Commissioners of the Great Lakes Indian

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Entangled histories: Iron ore mining in Canada and the ...

01/04/2016  Before the 1950s, iron mining in the Lake Superior Basin focused on higher-grade hematite (50–70% iron) that did not have to be beneficiated. Increased steel output during the Second World war, however, meant that much of the Lake Superior region’s accessible high-grade iron ore had been extracted, leaving lower-grade taconite ores that, while abundant, appeared quite difficult to mine

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Marquette Iron Range - Wikipedia

The Marquette Iron Range is a deposit of iron ore located in Marquette County, Michigan in the United States. The towns of Ishpeming and Negaunee developed as a result of mining this deposit. A smaller counterpart of Minnesota's Mesabi Range, this is one of two iron ranges in the Lake Superior basin that are in active production as of 2018. The iron ore of the Marquette Range has been mined ...

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Iron mines, toxicity, and indigenous communities in the ...

Iron mines, toxicity, and indigenous communities in the lake superior basin. July 2017; DOI: 10.1525/9780520966536-014. In book: Mining North America (pp.313-338)

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USGS Activities in the Lake Superior Basin

Superior Basin Bedrock contains tremendous mineral wealth. Iron and copper mining for more than 150 years The Eagle Mine (Michigan) is the first of several Ni-Cu-PGE mines that may be permitted. Concerns about Mineral Extraction Involving Water Quality/Quantity and Ecosystem Health Mining is a polarizing issue. There is need for reliable, unbiased scientific data We need to work together to ...

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Iron mines, toxicity, and indigenous communities in the ...

Iron mines, toxicity, and indigenous communities in the lake superior basin. July 2017; DOI: 10.1525/9780520966536-014. In book: Mining North America (pp.313-338)

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CiteSeerX — Iron Mining In the Lake Superior Basin

@MISC{11ironmining, author = {}, title = {Iron Mining In the Lake Superior Basin Minntac Iron Mine in Minnesota}, year = {2011}} Share. OpenURL . Abstract. A new taconite mine in the Penokee Range of Wisconsin is being discussed and may eventually be proposed. The Board of Commissioners of the Great Lakes Indian Fish and Wildlife Commission has indicated an interest in developing scoping level ...

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Threats Challenges – Bad River Tribe

In the Lake Superior Basin, low-grade iron mining is conducted exclusively by open-pit mining methods. The scale of the land alteration associated with modern iron mining is enormous, and is unlike the historic mining of the 19th and early 20th centuries. For example, U.S. Steel’s Minntac mine project covers an area of approximately 20,000 acres. In Wisconsin, the proposed GTAC iron mine (in ...

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USGS Activities in the Lake Superior Basin

Superior Basin Bedrock contains tremendous mineral wealth. Iron and copper mining for more than 150 years The Eagle Mine (Michigan) is the first of several Ni-Cu-PGE mines that may be permitted. Concerns about Mineral Extraction Involving Water Quality/Quantity and Ecosystem Health Mining is a polarizing issue. There is need for reliable, unbiased scientific data We need to work together to ...

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Published by the Great Lakes Indian Fish Wildlife ...

Superior basin.5 Waste Disposal Waste rock resulting from stripping away non-ore rock from over and around the ore is typically put in large piles next to the mine pits. The waste rock can be dumped back into the mine pit after mining is finished; however, this is expensive and is uncommon at regional iron mines. Tailings, the non-iron material separated from the ore, consist of particles of ...

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The Wisconsin Experiment - Places Journal

Over the past century and a half, the Lake Superior basin has been transformed by industrial use, and especially by mining of the iron ranges in Minnesota, Ontario, Wisconsin, and Michigan. Wild rice is sensitive to hydrological changes from development and to sulfates in the watershed, which can be released by taconite mines and tailings piles. That’s one reason why Wisconsin’s Act 171 ...

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DNR identifies potential pollution problems with iron

10/01/2014  Already, the DNR said that iron ore mines and processing plants in Minnesota and Michigan are the largest source of airborne mercury pollution in the Lake Superior basin.

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The Effects of Historic Iron Mining on Wetland Areas in ...

A recent modeling effort funded by five bands of Lake Superior Chippewa sought to determine how mining in the Mesabi Iron Range has effected baseflow to the St. Louis River and the extent of wetlands over time. This model is centered on the Iron Range and encompasses northern half of the St. Louis River basin (Figure 1). Wetlands occur in upland and riparian settings (Figure 2), and presently ...

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Major Mines Projects U.S. Iron Ore Mine

Mining and Pelletizing segment mines produce from deposits located within the Biwabik and Negaunee Iron Formation, which are classified as Lake Superior type iron formations that formed under similar sedimentary conditions in shallow marine basins approximately two billion years ago. Magnetite and hematite are the predominant iron oxide ore minerals present, with lesser amounts of goethite and ...

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The mystery of the Sudbury Basin solved: The second ...

18/11/2014  The Sudbury Basin in Ontario, Canada, is 39 miles long and 19 miles wide - and 9.3 miles deep. It was formed by a comet hitting Earth 1.8 billion years ago, researchers have found.

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USGS Activities in the Lake Superior Basin

Superior Basin Bedrock contains tremendous mineral wealth. Iron and copper mining for more than 150 years The Eagle Mine (Michigan) is the first of several Ni-Cu-PGE mines that may be permitted. Concerns about Mineral Extraction Involving Water Quality/Quantity and Ecosystem Health Mining is a polarizing issue. There is need for reliable, unbiased scientific data We need to work together to ...

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The Wisconsin Experiment - Places Journal

Over the past century and a half, the Lake Superior basin has been transformed by industrial use, and especially by mining of the iron ranges in Minnesota, Ontario, Wisconsin, and Michigan. Wild rice is sensitive to hydrological changes from development and to sulfates in the watershed, which can be released by taconite mines and tailings piles. That’s one reason why Wisconsin’s Act 171 ...

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Published by the Great Lakes Indian Fish Wildlife ...

Superior basin.5 Waste Disposal Waste rock resulting from stripping away non-ore rock from over and around the ore is typically put in large piles next to the mine pits. The waste rock can be dumped back into the mine pit after mining is finished; however, this is expensive and is uncommon at regional iron mines. Tailings, the non-iron material separated from the ore, consist of particles of ...

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Responsible Mining in the Lake Superior Basin - CORE

Responsible Mining in the Lake Superior Basin . By Lake Superior Binational Program. Get PDF (169 KB) Abstract. The Lake Superior Binational Forum drafted a statement on responsible mining, with recommendations for future mining projects, which are summarized in this document. The statement aims at a “zero discharge” principle. The Forum held three public meetings to gather input for the ...

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Lake Superior Basin Says No Mine – United In Defense of ...

Lake Superior Basin Says No Mine. February 26, 2013 Press Conference, Madison, Wisconsin. Washburn Mayor Scott Griffiths and the elected officials of the Lake Superior Basin. Kelly Westlund, Ashland City Council, on economic struggles . Richard Ketring, Ashland City Council, “We are 100% united in defense of water.” Responses to news about the Legislative Fiscal Bureau analysis. Ashland ...

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The world’s biggest iron ore mines - mining-technology

The world’s second biggest iron ore mine, Samarco Alegria is located in the state of Minas Gerais in south-east Brazil. The mine contained 2.97 billion tonnes of iron ore in proven and probable reserves as of December 2012. Samarco Alegria is an open pit mining operation consisting of two active pits, Alegria South and Alegria North, which have been operational since 2000. Samarco, a 50-50 ...

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Major Mines Projects U.S. Iron Ore Mine

Mining and Pelletizing segment mines produce from deposits located within the Biwabik and Negaunee Iron Formation, which are classified as Lake Superior type iron formations that formed under similar sedimentary conditions in shallow marine basins approximately two billion years ago. Magnetite and hematite are the predominant iron oxide ore minerals present, with lesser amounts of goethite and ...

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Threats to the tropical rainforest - deforestation ...

Mining - the Amazon Basin is rich in natural resources such as iron ore, copper, tin, aluminium, manganese and gold. This has led to the development of mines which results in the clearance of ...

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Copper mining in Michigan - Wikipedia

Copper mining in Michigan became an important industry in the 19th and early 20th ... Archaeologist Susan Martin wrote that "“The competent excavation of many prehistoric archaeological sites in the Lake Superior basin reveals the continuous use of copper throughout the prehistoric time range, in association with all of the other items of material culture (projectile points, pottery and the ...

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The mystery of the Sudbury Basin solved: The second ...

18/11/2014  The Sudbury Basin in Ontario, Canada, is 39 miles long and 19 miles wide - and 9.3 miles deep. It was formed by a comet hitting Earth 1.8 billion years ago, researchers have found.

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