sulfide mining benefits

Sulfide Mining Regulation in the Great Lakes Region: A

Sulfide mining, in addition to approval from the Ministry of Northern Development and Mines, often requires both federal and provincial permits. As mentioned above, federally, permits are often required under the Fisheries Act or the Navigable Waters Protection Act.

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Copper Mining and Processing

Sustaining social and economic benefits brought by mine. ... Mining considerations: Sulfide ore is often less abundant. Pyrometallurgy process is more expensive. Sulfide ore is often a higher-grade ore (contains more copper) Ultimately more copper can be extracted from sulfide ore deposits.

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How can metal mining impact the environment? | American ...

Material adapted from: Hudson, T.L, Fox, F.D., and Plumlee, G.S. 1999. Metal Mining and the Environment, p. 7,20-27,31-35,38-39. Published by the American Geosciences Institute Environmental Awareness Series. Modern mining operations actively strive to mitigate potential environmental consequences of extracting metals, and such operations are strictly regulated in the United

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Sulfide Mining | Sierra Club

The mining of copper/nickel sulfide ores is a toxic type of mining that is risky to our environment, our workers and communities, and local economies. Mining sulfide rock releases acid and toxic metals and contaminants that pollute rivers and groundwater for hundreds of years, long after the profits are spent and the products buried in landfills.

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Boundary Waters [MN] | American Rivers

Economic analysis shows that sulfide-ore copper mining on Superior National Forest lands in the watershed of the Boundary Waters could lead to the loss of nearly 5,000 jobs in tourism, up to 22,000 jobs in the rest of the economy, a $1.6 billion loss in annual income, and a $509 million reduction in private property values.

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Mining near the Border Waters Canoe Area Wilderness – US ...

 · Now, the Boundary Waters are at risk of contamination from the acidic sulfide mining process. The waste produced by sulfide mining creates sulfuric acid when exposed to air and water. This acid releases heavy metals and chemicals from the mined rocks, which will seep into the surrounding soil and waterways.

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Kennecott''s Stuck in the Mud: Sulfide Mining Not a Done ...

Kennecott''s Stuck in the Mud: Sulfide Mining Not a Done Deal. Kennecott''s latest low flying air surveys in which project manager Jon Cherry describes as "similar to an MRI" is yet another appalling display of this company''s arrogance and power. Another example is the contractual manipulation of our local electric co-op into a multi ...

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Sulfide-Ore Copper Mining and/or A Sustainable Boundary ...

 · Proponents of sulfide-ore copper mining argue that the choice between this new type of mining and amenity-based development is a false choice for the Arrowhead region (Praxis Strategy Group, 2017). Those making this claim point to the continued existence of the taconite mining …

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Trump Administration sells out Boundary Waters Wilderness ...

 · Indeed, a recent study by a renowned Harvard economist debunks the myth that mining in this sensitive landscape would result in job growth and economic benefits. The sulfide-ore mines that are being considered in this area threaten to contaminate the land, water and legacy of …

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Boundary Waters (BWCA) Sulfide Mining

Sulfide mining is the process of extracting trace amounts of copper, nickel and other metals from sulfide-bearing ores, which produces sulfuric acid. This is the same as battery acid. In addition to acidifying lakes and rivers, sulfuric acid leaches out heavy metals such as mercury, lead, arsenic and other toxins from the rock to produce acid ...

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The Promise and Perils of Seafloor Mining – Woods Hole ...

 · Nautilus Minerals'' first targeted mining site, Solwara 1, is in the eastern Bismarck Sea. The company also has exploration licenses (red areas) and applications (yellow areas) to search for potential minable sites in more than 525,000 square kilometers of seafloor off the shores of Papua New Guinea, the Solomon Islands, Tonga, Fiji, and New Zealand.

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Weighing in on Sulfide Mining | Sierra Club North Star Blog

 · The benefits of this new type of mining will only provide short-term gains that will be eventually outweighed by the environmental, social, and economic costs of sulfide mining, including acid mine drainage, water contamination, mercury poisoning in fish and other wildlife, reduced tourism and recreational opportunities, and more.

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What Are the Advantages and Disadvantages of Mining?

 · Mining gives people a portion of the resources needed for modern civilization, but it can also lead to environmental harm. While some are in favor of mining due to the resources it produces and the jobs it provides in the U.S., some are opposed to mining based on opposition to destructive mining practices and environmental concerns.

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Gold, Copper, and Zinc Prospecting | Wisconsin Network for ...

 · Josephine runs the Turner sulfide mine in Oregon. What You Can Do. Thanks to Wisconsin''s 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 hasn''t polluted during its operation or 10 years since closure (and they can''t).

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Coal Mining Pros And Cons

NorthMet Mining Project Polymet Mining is a mining industry that is proposing to create Minnesota''s first sulfide mine. The company is wanting to create an open pit copper and nickel mine that is located north of Hoyt Lakes in the Superior National Forest (BC Hydro). They plan to call this project the NorthMet Mining Project.

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Risks and costs to human health of sulfide-ore mining near ...

nificantly from iron-ore (taconite or ferrous) mining which has been practiced for deca-des within this region (Onello et al. 2016). Given the geology and chemistry of sulfide-ore containing rock, once this ore is extracted and comes in contact with moisture and atmospheric oxygen, toxic AMD results (Jacobs et al. 2013). Mining operations excavate

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Mining of deep-sea seafloor massive sulfides: A review of ...

 · Alongside the obviously negative impacts of mining, such as the loss of sulphide habitat and biodiversity, the search for commercially viable deposits and the environmental surveys carried out by or for mining companies, will have benefits for science (reviewed by Van Dover, 2007, Van Dover, 2011). The discovery of new SMS sites will occur at a ...

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Will Sulfide Mines Bring Employment and Economic Benefits ...

"Sulfide mining" is a term used to refer to mining metals that are found in sulfide-bearing rock. In Minnesota, the sulfide mining proposals and exploration activities are focused primarily on extracting copper, nickel, platinum, palladium and gold. While the state has a history of iron mining, sulfide mining has never been conducted in

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Mining Vs. Environment: Mexico''s Struggle to Save Monarch ...

 · Mining is embedded in Mexico''s history and culture. In many small towns throughout the country, it is still viewed as an economic savior—though the jobs and benefits it provides are few.

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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, ... New round of Trump clemency benefits Paul Manafort, other allies

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How Does Mining Affect Minnesota Jobs

Sulfide Mining Pros And Cons 1575 Words | 7 Pages. of drilling and being told the fish were too dangerous to eat. This is only one of many potential harms of sulfide mining. PolyMet, a new mining company would like to bring sulfide mining, also known as copper-nickel mining to Minnesota.

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Nature''s Price Tag: An Economic Analysis of the NorthMet ...

This mining project would be the first of its kind in Minnesota: open-pit sulfide mining. This type of mining has never been performed without adversely affecting the environment, specifically through sulfuric acid contamination. The NorthMet Project carries with it both potential economic benefits such as

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Save Lake Superior Association

the "majority" must demand proof that sulfide mining is safe The pollution mitigation methods proposed for the control of water pollution from sulfide mining processing and extraction are unproven schemes to assure the public that copper-nickel and related mining will not harm public health or the environment.

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In situ assessment of initial seafloor massive sulfide ...

Mining of SMS deposits is clearly being planned and because it is virtually unstudied it is important to evaluate this new frontier. Within the Exclusive Economic Zone (EEZ) of Papua New Guinea (PNG) is a hydrothermal ridge system with massive sulfide deposits being evaluated for mineral extraction subsea.

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Frontiers | An Overview of Seabed Mining Including the ...

 · Rising demand for minerals and metals, including for use in the technology sector, has led to a resurgence of interest in exploration of mineral resources located on the seabed. Such resources, whether seafloor massive (polymetallic) sulfides around hydrothermal vents, cobalt-rich crusts (CRCs) on the flanks of seamounts or fields of manganese (polymetallic) nodules on the abyssal plains ...

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Metallic Sulfide Mining | Sierra Club

Metallic sulfide mining — also known as hard rock mining — involves extracting valuable metals, like copper or zinc, from sulfide ores, which are rocks and sediments that contain minerals bonded with sulfur ions. To reach these ores, miners deplete the area''s groundwater by pumping it out and then excavate the site using drilling and ...

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The Economics of Sulfide Mining: Benefits and Costs ...

 · The Economics of Sulfide Mining: Benefits and Costs. This address was given by Dr. Tom Power, Professor Emeritus at the University of Montana about a week ago in Duluth. Dr. Power''s lecture was presented by the Friends of the Boundary Waters Canoe Area and in association with the Duluth Chamber of Commerce.

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Sulfide Mining | Minnesota Center for Environmental Advocacy

Sulfide Mining Since our founding in 1974, MCEA has led the legal and policy fight against dangerous sulfide-ore mining proposals in Minnesota. Quite simply, there is no other organization in the state that has the resources and expertise that MCEA does to protect the health and well being of all Minnesotans.

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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. Pollution from these mines will flow directly into the heart of the Boundary Waters.

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Sulfide Mining and Human Health

sulfide mining proposals. In addition, Minnesota physicians need to understand the potential adverse mental and physical health effects of sulfide mining on mine workers and residents of communities near mining operations. T he Duluth Complex is a geological formation that contains deposits of copper, nickel and palladium group metals.

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Nurse''s View: PolyMet sulfide mine threatens downstream ...

 · Minnesota has no prior experience with this type of mining. Minnesota infants, children and adults would be facing new and unprecedented health risks from the PolyMet sulfide mine project.

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Sulfide Mining Regulation in the Great Lakes Region: A

At the same time, the law authorizes DNR to lease state lands for sulfide mining activities, stating that "[t]he business of mining, producing, or beneficiating nonferrous metallic minerals is declared to be in the public interest and necessary to the public welfare, and the use of property therefor is declared to be a public use and purpose."

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GLIFWC

Moreover, some of sulfide mining''s ecological threats can be mitigated or avoided alto- gether. Nevertheless, the decision to allow sulfide mining inevitably is a decision to permit some ecological harm. Whether this harm is worth the anticipated benefits of a …

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