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sulfide mining in minnesota

Sulfide Mining Doesn’t Belong in Minnesota’s Cherished Waters. Proposed sulfide mines in Northeast Minnesota, including the PolyMet NorthMet project and the Twin Metals Minnesota project, threaten our lakes and rivers with significant ongoing water pollution. These …

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  • Sulfide Mining  Ely Minnesota

    Sulfide Mining Ely Minnesota

    Sulfide Mining Copper Sulfide Ore mining in the Arrowhead Region of Minnesota including Ely the Boundary Waters Canoe Area Wilderness Lake Superior St. …

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  • Whats Next for PolyMet Minnesotas First Permitted

    Whats Next for PolyMet Minnesotas First Permitted

    If sulfide mining, the most polluting industry in the country, comes to Minnesota, the state doesn’t have the laws or safeguards in place to regulate this toxic industry. There are no standards the industry must meet when it comes to clean water, land reclamation, containing the toxic mining waste, and so on.

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  • CopperNickel Studies and Nonferrous Mining  Minnesota

    CopperNickel Studies and Nonferrous Mining Minnesota

    Copper-nickel mining (also known as "non-ferrous mining") in northern Minnesota is not a new issue for the state. Copper-nickel deposits have been known to exist in northern Minnesota since the 1800s, but it was not until 1948, when deposits were discovered near Duluth, that serious interest in mining these metals developed in the region.

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  • Feds reopen forests near Boundary Waters to mining | MPR News

    Feds reopen forests near Boundary Waters to mining | MPR News

    Sep 06, 2018 · The Twin Cities-based Center of the American Experiment released one of two studies on the potential economic impact of copper-nickel mining in northeastern Minnesota …

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  • Sulfide Mining || Conservation Minnesota

    Sulfide Mining || Conservation Minnesota

    Dec 04, 2017 · The latest threat to the St. Louis River comes from proposals for a new type of mining in Minnesota; copper-nickel sulfide mining.

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  • Wellregulated sulfide mining can be done effectively

    Wellregulated sulfide mining can be done effectively

    Well-regulated sulfide mining can be done effectively. PolyMets project expects annual metal production of 39,000 tons of copper, 9,000 tons of nickel, 400 tons of cobalt, 22,000 ounces of platinum, 87,000 ounces of palladium and 13,800 ounces of gold from its lease. A 2009 714-page draft environmental impact statement ( DEIS)...

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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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  • Talk:Sulfide mining  Wikipedia

    Talk:Sulfide mining Wikipedia

    The Term Sulfide Mining seems to have originated way back in the old Crandon Days (1960s to 70s) and it is a regional term, typically in the Wisconsin, Michigan, and Minnesota areas. The reason behind it is an attempt by activists to sway support away from the mines, playing on the proposed mine’s difference from the regions better known forms of metal, oxides (iron) and natives (copper, silver, etc.).

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  • Save the Boundary Waters

    Save the Boundary Waters

    The Boundary Waters Canoe Area Wilderness is threatened by sulfide-ore copper mining. The Campaign to Save the Boundary Waters is leading the effort to ensure permanent protection for the Boundary Waters Wilderness, Americas most visited Wilderness and Minnesota s crown jewel , from proposed sulfide-ore copper mining.

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  • Mining | Sierra Club

    Mining | Sierra Club

    Mining. Sulfide mining has never been done in Minnesota. This type of mining produces acid mine drainage in a self-perpetuating reaction that releases toxic heavy metals for 500 years or more. Get Involved: The Mining Committee meets by phone on the 3rd Monday of the month at 7pm. Please contact [email protected] with any questions.

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  • Sulfide Mining Near BWCA  Ely Minnesota

    Sulfide Mining Near BWCA Ely Minnesota

    The BWCA is facing a major turning point in its history and needs level heads and calm minds to determine the proper way to proceed. We are faced with the contentious issue of non-ferrous sulfide mining in or near the lakes and streams of the BWCA. The EIS was released this week and the countdown for public comment has begun.

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  • Sulfide Mining Overview

    Sulfide Mining Overview

    Sulfide Mining Overview Friends of the Boundary Waters Wilderness By CHRISTINE PAULU College of Forestry and Conservation, University of Montana EMILY BABCOCK William Mitchell College of Law, Minnesota Introduction Despite covering only 0.02 percent of the U.S. land area, metal mining …

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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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  • Sulfide Mining Overview

    Sulfide Mining Overview

    Mining. Sulfide mining operations can take several forms depending on the ore body and quality. Mines are either open pit mines or underground operations. Open pit mines are most commonly used, 83 percent of copper mines in the US are open pit.14 This method is used because a greater

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  • Northeastern Minnesotans for Wilderness

    Northeastern Minnesotans for Wilderness

    On March 7, Governor Mark Dayton released a letter he sent to Twin Metals Minnesota, owned by international mining company Antofagasta, about the need to protect the Boundary Waters. The letter outlines his “grave concerns” about Twin Metals’ proposed massive sulfide-ore mining operation in the Boundary Waters Wilderness watershed.

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  • Sulfide Mining Projects in Minnesota  Save Lake Superior

    Sulfide Mining Projects in Minnesota Save Lake Superior

    Sulfide Mining Projects in Minnesota Expanding exploration targets, frequent changes in ownership, and continually evolving mine plans make it difficult to predict the degree of disruption and environmental degradation that the DNR’s planned “Copper-Nickel Sulfide Mining District” will bring to Northeastern Minnesota. The maps and

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  • Readers Write: Mining in northern Minnesota political

    Readers Write: Mining in northern Minnesota political

    Aug 16, 2019 · In the debate over sulfide mining, the word “process” has become a dog whistle for “we need push these mines through.” The fact is, the process was followed. Twin Metals had to apply to ...

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  • The Threat of Sulfide Mining  Friends of the Boundary

    The Threat of Sulfide Mining Friends of the Boundary

    Sulfide mining, the process of extracting copper, nickel and other metals from sulfide ores, has been deemed the most toxic industry in the country by the EPA. When the sulfide ore comes in contact with oxygen or water, it creates sulfuric acid.

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  • PolyMet | The Next Generation of Mining in Minnesota

    PolyMet | The Next Generation of Mining in Minnesota

    PolyMet stands at the forefront of the next generation of mining in Minnesota. We are preparing to extract essential resources from the NorthMet copper-nickel-precious metals ore body with sustainable mining practices that protect our people, our communities and our natural surroundings. Learn more.

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  • In Northern Minnesota Two Economies Square Off: Mining vs

    In Northern Minnesota Two Economies Square Off: Mining vs

    Oct 12, 2017 · In Northern Minnesota, Two Economies Square Off: Mining vs. Wilderness. The company — Twin Metals Minnesota, a subsidiary of the Chilean mining giant Antofagasta — has drilled 1.6 million feet of core samples out of 496 holes to explore the deposit from which it soon hopes to process 20,000 tons of mineralized ore a day.

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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.

    More Details
  • Talk:Sulfide mining  Wikipedia

    Talk:Sulfide mining Wikipedia

    The Term Sulfide Mining seems to have originated way back in the old Crandon Days (1960s to 70s) and it is a regional term, typically in the Wisconsin, Michigan, and Minnesota areas. The reason behind it is an attempt by activists to sway support away from the mines, playing on the proposed mine’s difference from the regions better known forms of metal, oxides (iron) and natives (copper, silver, etc.).

    More Details
  • Researcher Looks At Effects Of Sulfide Mining On Wild Rice

    Researcher Looks At Effects Of Sulfide Mining On Wild Rice

    She says the traditional beds across Minnesota, Wisconsin, Michigan and Illinois have seen a 30 percent reduction in size. ... There is a potential for sulfide mining to make a return to the area. That will increase the level of sulfate in the overlying surface waters. It has been proven in many studies done in Minnesota that elevated sulfide ...

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  • Save the Boundary Waters | Environment Minnesota

    Save the Boundary Waters | Environment Minnesota

    Mining companies are pushing to conduct a toxic new form of mining, called sulfide mining, right next to the Boundary Waters. Runoff from sulfide mining can create toxic sulfuric acid and cause mercury contamination—both of which could flow into the Boundary Waters and pollute this precious area.

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  • Mining | Sierra Club

    Mining | Sierra Club

    Mining. Sulfide mining has never been done in Minnesota. This type of mining produces acid mine drainage in a self-perpetuating reaction that releases toxic heavy metals for 500 years or more. Get Involved: The Mining Committee meets by phone on the 3rd Monday of the month at 7pm. Please contact [email protected] with any questions.

    More Details
  • 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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  • Top 10 Reasons To Stop Twin Metals Sulfide Mining

    Top 10 Reasons To Stop Twin Metals Sulfide Mining

    Backcountry Hunters & Anglers is the sportsmen’s voice for our wild public lands, waters and wildlife. And the Minnesota chapter of Backcountry Hunters & Anglers (BHA) has been fighting to protect northern Minnesota’s waterways, watersheds and wildlife from proposed …

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  • Save Our Sky Blue Waters

    Save Our Sky Blue Waters

    MINING MINNESOTA - The purple dots on this image of Minnesota show drill cores, which indicate the extent to which mining companies are planning to conduct metallic sulfide mining operations in …

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  • Sulfide Mining || Conservation Minnesota  Part 3

    Sulfide Mining || Conservation Minnesota Part 3

    Mining & Industry; Parks & Trails; Reduce, Reuse, Recycle; The Legacy Amendment; Wildlife & Habitat; Transportation; Connecting Our Issues; About You. It Starts With You; Interest Survey; Invest; Action Center; Event Calendar; Check My Legislator; Favorite Places. Submit Your Favorite Place; Minnesota’s Great Outdoors. Who taught you to love ...

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