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what is sulfide mining

Each sulfide deposit is mined for its sulfide minerals, named for the predominant metal(s) the sulfide ore contains (i.e. copper-nickel sulfide mining), and is broadly referred to as sulfide mining.

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  • Sulfide Mining Overview

    Sulfide Mining Overview

    sulfide mining industry is an important producer of commonly used metals that are necessary for our day-to-day operation and consumption patterns. Copper is used for building materials and electronics and nickel is used to produce stainless steel and nickel batteries (like those being used

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  • What is sulfide mining?

    What is sulfide mining?

    What is sulfide mining? Sulfide ores are ores containing heavy metals (such as copper or nickel) that are bonded to sulfur, forming sulfide minerals. When exposed to air and moisture, a chemical reaction generates sulfuric acid that can leach into the surrounding …

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  • Sulfide Mining Fact Sheet  MEPartnership

    Sulfide Mining Fact Sheet MEPartnership

    Sulfide Mining Fact Sheet What is sulfide mining? òSulfide mining ó refers to mining metals that are found in sulfide-bearing rock. Mining metals in sulfide ores can be done in two ways: in underground mines where the ore deposits are very deep, and in open …

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  • Sulfide Mining | MEPartnership

    Sulfide Mining | MEPartnership

    Sulfide mining in a water-rich environment like northern Minnesota is a high-risk gamble. We need to protect our water, our families’ health, our wildlife, and taxpayer resources from pollution and harm caused by sulfide mining.

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  • Dflec | Sulfide Mining

    Dflec | Sulfide Mining

    Sulfide ores are ores containing heavy metals (such as copper or nickel) that are bonded to sulfur, forming sulfide minerals. When exposed to air and moisture, a chemical reaction generates sulfuric acid that can leach into the surrounding environment and cause the release of the metals into streams and lakes at levels that are toxic to fish and other aquatic life.

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  • Sulfide Mining in Northeastern Minnesota  Northeastern

    Sulfide Mining in Northeastern Minnesota Northeastern

    Dec 06, 2013 · Sulfide Mining in Northeastern Minnesota Far and away, Metallic Sulfide Mining represents the greatest current threat to the BWCAW and its environs. The extraction of heavy metals – gold, copper, palladium, nickel and others – from sulfide bearing o re has the potential to contaminate waters flowing into the Wilderness.

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  • Scott Walker signs bill lifting Wisconsins sulfide mining

    Scott Walker signs bill lifting Wisconsins sulfide mining

    Dec 11, 2017 · In sulfide mining, once rock is extracted from the pit, a chemical process separates the unwanted “tailings” — about 90 percent of the material — from the desired metals — for instance, gold, zinc, copper and silver. One of the chemicals used in the separation process is cyanide.

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  • Copper Ore Types: Sulfides vs. Oxides | INN

    Copper Ore Types: Sulfides vs. Oxides | INN

    Copper sulfide ores are typically the most profitable types of copper ores to mine. That is because they have high copper content, and the copper in them can more easily be separated from unwanted ...

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  • Bill would end Wisconsin moratorium on sulfide mining

    Bill would end Wisconsin moratorium on sulfide mining

    Aug 22, 2017 · The legislation targets mining for minerals such as copper, zinc, gold and silver in sulfide rock deposits that have the potential to create acidic runoff and pollute ground and surface water.

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  • The Threat | Save the Boundary Waters

    The Threat | Save the Boundary Waters

    Sulfide-ore copper mining within the Boundary Waters Wilderness watershed is an imminent threat. Mining companies have filed suit to demand mineral leases. Industrial mines have been proposed on the edge of the Wilderness. sign the petition.

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  • The truth about sulfide mining

    The truth about sulfide mining

    The truth about sulfide mining. The sulfide mining issue is the inspiration for an epic dogsled trip starting in Grand Marais and Ely this week, and traveling all the way to the State Capitol for a rally next Thursday. Check out our friend Paul Austin of Conservation Minnesotas blog post about the trip and what it means.

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  • The debate over sulfide mining | MPR News

    The debate over sulfide mining | MPR News

    The debate over sulfide mining. "You come to this, and youre out of this waste rock and youre in to sulfide bearing material," says Patelke. Sulfide bearing materials -- an unremarkable term for the kind of rock that might hold copper and nickel, even precious metals like platinum, palladium and gold.

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  • Sulfide Mining in Northern Minnesota: A Review of Possible

    Sulfide Mining in Northern Minnesota: A Review of Possible

    SULFIDE MINING IN NORTHERN MINNESOTA: A REVIEW OF POSSIBLE LEGAL RECOURSE FOR ENVIRONMENTAL HARM TO INDIVIDUALS By: Jamison L. Tessneer I. Background Minnesota has an extensive history of mining. Beginning in the nineteenth century, mining in Minnesota focused on limestone and to a limited extent, gold. 1

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  • What is sulfide mining?

    What is sulfide mining?

    What is sulfide mining? Sulfide ores are ores containing heavy metals (such as copper or nickel) that are bonded to sulfur, forming sulfide minerals. When exposed to air and moisture, a chemical reaction generates sulfuric acid that can leach into the surrounding …

    More Details
  • Dflec | Sulfide Mining

    Dflec | Sulfide Mining

    What Is Sulfide Mining? Sulfide ores are ores containing heavy metals (such as copper or nickel) that are bonded to sulfur, forming sulfide minerals. When exposed to air and moisture, a chemical reaction generates sulfuric acid that can leach into the surrounding environment and cause the release of the metals into streams and lakes at levels that are toxic to fish and other aquatic life.

    More Details
  • The truth about sulfide mining

    The truth about sulfide mining

    The sulfide mining issue is the inspiration for an epic dogsled trip starting in Grand Marais and Ely this week, and traveling all the way to the State Capitol for a rally next Thursday.

    More Details
  • Pros of Sulfide Mining? | Yahoo Answers

    Pros of Sulfide Mining? | Yahoo Answers

    Jan 12, 2016 · Answers. Sulfide formation is interesting as well. It is commonly formed by hypogene and supergene enrichment associated with circulating hot water around a magmatic intrusion. They can also form as a result of biogenic H2S reacting with metal cations in sedimentary rocks. Mining, in general, provides not only metals, but also salts, rare Earths,...

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  • Sulfide Mining in Michigans

    Sulfide Mining in Michigans

    Jun 12, 2005 · SULFIDE MINING (Also called Hardrock Mining) Sulfide mining is very different from the Iron Mining that occurs in the Negaunee/Ishpeming Tilden and Empire mines and in the Keweenaw Copper Mines. The mining that is proposed on the Yellow Dog Plains and in other areas in the western U.P., deals with minerals that are imbedded in sulfide ores.

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  • Sulfide Mining  Minnesota Trout Unlimited

    Sulfide Mining Minnesota Trout Unlimited

    • Noise, dust and light pollution from 24-hour-a-day, 365-day-a-year mining operations would affect animal behavior and the quiet fishing experience. • Mine infrastructure and additional road traffic would lead to forest fragmentation, which disrupts wildlife travel corridors and accelerates the spread of weedy invasive species, which ...

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  • Researcher Looks At Effects Of Sulfide Mining On Wild Rice

    Researcher Looks At Effects Of Sulfide Mining On Wild Rice

    A UW-Madison graduate student is researching the relationship between the upper Midwest rice beds and increased sulfate in the surface water. Wild rice, or “manoomin” to the Native American nations is more than a food crop. It represents their connection to nature and holds profound spiritual ...

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  • The debate over sulfide mining | MPR News

    The debate over sulfide mining | MPR News

    But environmentalists are not happy. The term sulfide mining is a lightning rod. On a recent spring day, Minnesotas mining experts met in the Duluth convention center.

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  • Sulfide Mining Near BWCA  Ely Minnesota

    Sulfide Mining Near BWCA Ely Minnesota

    The process of mining copper and nickel are so different from the process of mining iron ore that we, as residents of this area, and anyone who values the BWCA and their experiences here, must look carefully at the downside of sulfide mining and the likelihood of “acid mine drainage” into the BWCA.

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  • Sulfide Mining || Conservation Minnesota

    Sulfide Mining || Conservation Minnesota

    Dec 04, 2017 · Conservation Minnesota has a consistent record of calling for accountability when it comes to the various Sulfide Mining proposals currently being debated in the state. We seek accountability from the state, the mining companies and the …

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  • Differences Between Sulfides And Oxides | Difference Between

    Differences Between Sulfides And Oxides | Difference Between

    Differences Between Sulfides And Oxides. These minerals are commonly found in soils with a higher temperature. They serve as an accessory to all igneous rocks and metamorphic rocks. They are found on top of igneous rocks whilst they tend to be inside metamorphic rocks. …

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  • The Threat | Save the Boundary Waters

    The Threat | Save the Boundary Waters

    Sulfide-ore copper mining is much more toxic than Minnesota’s taconite mining. It produces giant waste piles that, when exposed to air and water, leach sulfuric acid, heavy metals and sulfates. Sulfide-ore copper mines pollute groundwater, rivers and lakes.

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  • Sulfide Mining and Voyageurs National Park  Voyageurs

    Sulfide Mining and Voyageurs National Park Voyageurs

    VNPA is committed to ensuring that our National Park remains protected for its surrounding communities, park visitors and future generations. The effects of acid mine drainage from sulfide (copper-nickel) mining in our watershed leave the potential for permanent damage to Voyageurs National Park’s waters and wildlife.

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  • Gold Copper and Zinc Prospecting | Wisconsin Network for

    Gold Copper and Zinc Prospecting | Wisconsin Network for

    Nov 27, 2011 · Josephine runs the Turner sulfide mine in Oregon. What You Can Do. Thanks to Wisconsins Prove It First Mining Moratorium, sulfide mining is still illegal in the state until companies can find an example of a sulfide mine in the U.S. or Canada that hasnt polluted during its operation or 10 years since closure (and they cant).

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  • Sulfide Mining Fact Sheet  MEPartnership

    Sulfide Mining Fact Sheet MEPartnership

    Sulfide Mining Fact Sheet Sulfide Mining and Minnesota’s Wild Rice Sulfate Standard Impact of Mining on Sulfate Levels in Minnesota The type of pollution that comes from sulfide mining is particularly dangerous to wild rice. Our state grain is extremely sensitive and more vulnerable to pollution and habitat loss than other species.

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  • The Great Sulfide Mining Divide

    The Great Sulfide Mining Divide

    On the coattails of political momentum expressing concern over metallic sulfide mining, the Forest Service is now considering the denial of the TMM leases. However, the pollution threats of sulfide mining are just as true for the proposed PolyMet copper-nickel mine as they are for Twin Metals.

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