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Sulfide Ore Copper Mining

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  • Sulfide Mining Minnesota Trout Unlimited

    Sulfide Mining Minnesota Trout Unlimited

    Sulfideore copper mining and the risks fish their prey directly at risk exposing sulfide minerals in ore waste rock and mine pit walls to air and water generates acid mine drainage amd which contains sulfuric acid heavy metals such as copper zinc and mercury and sulfates

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  • Science Deskhow Sulfideore Copper Mines Pollute Save

    Science Deskhow Sulfideore Copper Mines Pollute Save

    May 08 2015 sulfideore copper mining is a risky type of mining that has never been done before in minnesota no matter the method sulfideore copper mines proposed near the boundary waters would extract trace amounts of metals from large volumes of rock rock is blasted from pit walls and sorted into metalbearing ore and waste rock

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  • The Threat Ofsulfide Mining Friends Of The Boundary

    The Threat Ofsulfide Mining Friends Of The Boundary

    What is coppersulfide mining sulfide mining which is sometimes referred to as hardrock mining is the process of extracting trace amounts of copper nickel and other metals from sulfide ores when sulfide ore comes into contact with water or oxygen a chemical reaction occurs and produces sulfuric acid which is the same as battery acid

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  • Copper Miningand Extractionsulfideores

    Copper Miningand Extractionsulfideores

    The main ores of copper are sulfides and oxides from their chemical formulas you can calculate the percentage of copper in each mineral however this is not the same as the percentage of copper in the ore as that also contains unwanted silicates and other minerals called gangue that will have to

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  • What Issulfide Mining Miningaction Group

    What Issulfide Mining Miningaction Group

    Metallic sulfide mining aka hard rock mining is the practice of extracting metals such as nickel gold and copper from a sulfiderich ore body sulfides are a geologic byproduct of mining in this area and by exposing sulfides to the air and water in our atmosphere sulfuric acid can be created threatening to poison the nearby water

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  • Miningindustry Copper Sulfide Ore And Flotation Process

    Miningindustry Copper Sulfide Ore And Flotation Process

    1 types of copper sulfide ore 1 single copper mineral its ore characteristic is relatively simple and the only useful component that can be recycled is copper the gangue minerals are mainly quartz carbonate and silicate 2 coppersulfur ore called copperbearing pyrite in addition to copper minerals iron sulfide can be recovered and the main mineral of sulfur is pyrite

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  • Sulfide Mining Minnesota Center For Environmental Advocacy

    Sulfide Mining Minnesota Center For Environmental Advocacy

    Minnesota has a long history of ironore mining sulfideore mining for copper and nickel however has never been attempted here in the case of polymet mcea has led the fight for accountability and true sciencebased decisionmaking mcea lawyers and experts have time and again cast light on the flaws inherent in the polymet proposal first in the environmental review and permitting process and now in

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  • Save The Boundary Waters

    Save The Boundary Waters

    The boundary waters canoe area wilderness is threatened by sulfideore 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 sulfideore copper mining take action now

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  • Sulfide Mining Minnesota Trout Unlimited

    Sulfide Mining Minnesota Trout Unlimited

    Sulfideore copper mining and the risks fish their prey directly at risk exposing sulfide minerals in ore waste rock and mine pit walls to air and water generates acid mine drainage amd which contains sulfuric acid heavy metals such as copper zinc and mercury and sulfates

    Oline Chat
  • Sulfide Mining Minnesota Trout Unlimited

    Sulfide Mining Minnesota Trout Unlimited

    Sulfideore copper mining and the risks 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 change the forest character

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  • Copper Sulfide Mining Earthworks

    Copper Sulfide Mining Earthworks

    Copper sulfide mining a peerreviewed study of the track record of water quality impacts from copper sulfide mines found severe impacts to drinking water aquifers contamination of farmland contamination and loss of fish and wildlife and their habitat and risks to public health in some cases water quality impacts were so severe that acid mine drainage at the mine site will generate water pollution in

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  • Mccollum Statement On State Department Response Tosulfide

    Mccollum Statement On State Department Response Tosulfide

    Just like the us forest service us department of agriculture and the department of interior have repeatedly ignored the potentially poisonous effects of sulfideore copper mining on the boundary waters canoe area wilderness the state department is willing to ignore the toxic consequences of acid mine drainage on canadas natural

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  • Save The Boundary Waters Earthworks

    Save The Boundary Waters Earthworks

    Mar 19 2021 proposed sulfideore copper mining threatens aquatic and terrestrial ecosystems of the boundary waters region of the boundary waters canoe area wilderness the superior national forest voyageurs national park and canadas quetico provincial park and public health and the regional economy of northeastern minnesota

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  • Mccollum Introduces Bill To Ban Sulfideore Miningwithin

    Mccollum Introduces Bill To Ban Sulfideore Miningwithin

    Jan 15 2020 sulfideore copper mining is one of the most toxic industries in america and doesnt belong anywhere near the boundary waters landwehr said in a statement

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  • Sulfideore Copper Miningboundary Waters Wildnerness Area

    Sulfideore Copper Miningboundary Waters Wildnerness Area

    Jan 17 2019 in every direction interconnected waterways laced the forest and when considering sulfideore mining the issue of water is central when exposed to air and water sulfide ore in which copper and other minerals occur creates sulfuric acid and generates heavy metals and other pollutants this is sometimes called "acid mine drainage"

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  • Boundary Waters Mn  American Rivers

    Boundary Waters Mn American Rivers

    Economic analysis shows that sulfideore copper mining on superior national forest lands in the watershed of the boundary waters could lead to the loss of nearly 5000 jobs in tourism up to 22000 jobs in the rest of the economy a 16 billion loss in annual income and a 509 million reduction in private property values what must be done

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  • Timeline Explore How Mining Threatensthe Boundary Waters

    Timeline Explore How Mining Threatensthe Boundary Waters

    Sulfideore copper mining is a dirty business the process is known for discharging harmful substances such as acid mine drainage heavy metals and sulfates these liquids can easily infiltrate underground pits and leak through pipes contaminating groundwater streams and wetlands

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  • Top 10 Reasons To Stop Twin Metalssulfide Mining

    Top 10 Reasons To Stop Twin Metalssulfide Mining

    A 2017 study found as reported in the 72017 duluth news tribune the twin metals mine would cost 288 million in lost visitor spending each year 5066 to 22791 lost jobs and between 402 million and 16 billion in lost annual income in the rest of the economy if sulfideore copper mining suppresses or reverses growth in the amenitybased economy that has been the backbone of the regions recovery

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  • Theuncertain Future Of The Boundary Watersoutside Online

    Theuncertain Future Of The Boundary Watersoutside Online

    May 20 2019 a 2012 study by the nonprofit earthworks reviewed 14 us sulfideore copper minespredominately openpitwhich produced 89 percent of the countrys copper in 2010 the most recent data available

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  • In Response Upstream Of Boundary Waters Wrong Forcopper

    In Response Upstream Of Boundary Waters Wrong Forcopper

    Feb 11 2021 a sulfideore copper mine in the same headwaters as the boundary waters canoe area wilderness would pose a threat of devastating harm to the wilderness to the surrounding superior national forest

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  • Report Required On Coppernickel Minings Effect On

    Report Required On Coppernickel Minings Effect On

    Dec 24 2019 language mandating a federal report that will include the effects of sulfideore copper mining on international waters was signed into law friday under the 2020 federal funding package the language passed into law requires the us department of state to report to congress in no more than 60 days according to a news release from the office of us rep betty mccollum dst paul

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  • Hr 5598 Resources  Congresswoman Betty Mccollum

    Hr 5598 Resources Congresswoman Betty Mccollum

    Hr 5598 is focused on sulfideore copper mining in the headwaters of the boundary waters and voyageurs national park the legislation does not limit taconite or ironore mining anywhere in the state of minnesota does not affect sulfideore copper mining projects outside the rainy river drainage basin

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