Brazil mining dam disaster: toxic sludge and irreversible ...

Last month, a dam burst at an iron ore mine in southeastern Brazil, unleashing 50 million tons of highly toxic mud and mining waste, covering an area the size of 25,000 Olympic pools.

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Environmental impact of iron ore mining - Wikipedia

The environmental impact of iron ore mining, in all its phases of, from excavation to beneficiation to transportation, may include detrimental effects on air quality, water quality, and biological species.

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Minerals - Minnesota DNR

The State's first copper mine is currently under environmental review and permitting. Minnesota Minerals by the Numbers: Date of the first iron ore was shipped from Minnesota: 1854. Number of active taconite (low-grade iron ore) mining operations: 6 mines (All located on the Mesabi Iron Range)

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Taconite - Digging into MN Minerals - Minnesota DNR

Dr. E.W. Davis of the University of Minnesota, along with other scientists and engineers, conducted years of laboratory tests and experiments to find a way to take the iron ore out of the taconite rock. After many years of hard work, a process was developed to create taconite pellets. Taconite saved Minnesota's iron ore mining industry.

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U.S. STEEL KEETAC TACONITE MINE EXPANSION PROJECT

U.S. STEEL KEETAC TACONITE MINE ... Minnesota Environmental Review Program. The FEIS is intended to provide information to units of government on the environmental, economic and social impacts ... U.S. Steel operates two iron ore mines in Minnesota. ...

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DNR: Northshore mine expansion doesn't need full ...

The proposed expansion of Northshore Mining’s giant Peter Mitchell taconite iron ore mine near Babbitt won’t need a full-fledged Environmental Impact Study, a state agency has determined.

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In Northern Minnesota, Two Economies Square Off: Mining vs ...

Oct 12, 2017· In Northern Minnesota, Two Economies Square Off: Mining vs. Wilderness ... I drove past Minnesota’s first iron-ore mine, which closed more than 50 years ago, and down the spine of the Iron …

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Mining, environmental concerns put Boundary Waters on the ...

Johnson says he believes Minnesota can have copper-nickel mining and still protect the environment, and says he'll be an advocate in moving those mining projects forward.

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Explore Minnesota - Iron Ore - Minnesota Department of ...

Explore Minnesota: IRON ORE. Minnesota’s iron ore operations have a production capacity ... For the past years, all of Minnesota’s iron mining has 30 occurred on the Mesabi Iron Range, a narrow belt, ... Environmental Impact Statement before the approval of

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Mining in Minnesota’s Iron Range: Past and Future Perspectives

Mining in Minnesota’s Iron Range: Past and Future Perspectives Thomas Michael Power ... Employment and Labor Productivity in Minnesota Iron Ore Mining-5,000 10,000 15,000 20,000 25,000 1900 1920 1940 1960 1980 2000 2020 ... • How to avoid further damaging the natural environment of the Iron Range and extending that damage to surrounding ...

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The Importance of Iron Mining | Imagine LiFe without Iron

Everyday, in nearly every facet of life, we use products created by Minnesota’s iron mining industry. Unearthed on northeastern Minnesota’s Iron Range in 1884, iron mining has long-played, and continues to play, a vital role in every individual’s life.

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An uncomfortable truth about Iron Range's mining woes ...

An uncomfortable truth about Iron Range’s mining woes. ... I wrote about how the iron and steel crisis was not caused by environmental regulations, ... to monopolize the industry and drive all higher cost producers out of business with their great expansions in their iron ore mining operations over the last few years. Reply.

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Iron and Water — University of Minnesota Press

Another Merritt, more than half a century later, would lead the efforts to protect Lake Superior from damage caused by mining. Iron and Water is Grant J. Merritt’s memoir of his life’s work on behalf of Minnesota’s people and environment and also the story of a significant family in state history.

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Iron Mining Association - Minnesota iron mining - our ...

Minnesota Iron Mining Our communities, state and nation depend on it. The Iron Mining Association of Minnesota's (IMA) mission is to promote an iron ore industry that will provide long-term growth and prosperity for all stakeholders through profitability in a competitive, global market.

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Mesabi Range - Wikipedia

The Mesabi Iron Range is an elongate trend containing large deposits of iron ore, and the largest of four major iron ranges in the region collectively known as the Iron Range of Minnesota.Discovered in 1866, it is the chief iron ore mining district in the United States. The district is located in northeast Minnesota, largely in Itasca and Saint Louis counties.

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Minnesota Rankings and Facts | US News Best States

The state is the largest producer of iron ore and taconite, a lower grade rock, found in a collection of iron-ore mining districts in northern Minnesota known as the Iron Range. Consequently ...

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DNR identifies potential pollution problems with iron mining

The state Department of Natural Resources has identified potential pollution problems with iron mining in northern Wisconsin. ... Iron ore mining is being done in Minnesota and Michigan ...

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PolyMet copper-nickel mine: Economic opportunity or too ...

Dec 02, 2013· PolyMet copper-nickel mine: Economic opportunity or too environmentally risky? ... nickel and precious metals would be processed seven miles away at an old iron ore …

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Readers Write: Mining safety, climate and cars, marijuana ...

Jan 28, 2019· Scores of people have been killed, and the environmental damage is catastrophic (“Brazil resumes search for survivors from dam collapse as hope dwindles,” Jan. 28).

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STATE OF MINNESOTA

STATE OF MINNESOTA ... revitalized Range mining operations. I do not want anything to damage that extremely important working relationship. However, the State of Minnesota is not free to do whatever it wants with this project. ... estimated $800 million annually of Minnesota iron ore products. Our team includes the following participants: 1 ...

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Iron Range mine could pollute water for up to 500 years ...

But unlike Minnesota’s familiar iron ore deposits, the sulfide-bearing waste rock and tailings from copper-nickel mining produce acid when exposed to air.

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Minnesota Iron - Economic Impact

Minnesota’s iron mining industry not only has significant economic impact in the areas in which the iron is mined. The effects of Minnesota’s iron mining industry can be felt far and wide – on local, regional, national and even international levels.

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Minnesota Minerals Coordinating Committee

Minnesota has a century-long tradition of mining. Since the first load of iron ore was shipped from northern Minnesota more than 100 years ago, Minnesotans have realized the benefits of mineral development. The state’s strong environmental regulations are …

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Iron Range - Wikipedia

Iron Range refers collectively or individually to a number of elongated iron-ore mining districts around Lake Superior in the United States and Canada. Despite the word "range," the iron ranges are not mountain chains, but outcrops of Precambrian sedimentary formations containing high percentages of iron.

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