mining minnesota sulfide

The Threat of Sulfide Mining  Friends of the Boundary

The Threat of Sulfide Mining Friends of the Boundary

Copper sulfide mining has never been done in Minnesota. It is much different than the traditional form of iron mining that has such a rich history in the state. Sulfide mining is especially dangerous in northern Minnesota because of two factors The waterrich environment and the lowgrade quality of the mineral deposits.

Sulfide Mining in Northeastern Minnesota  Northeastern

Sulfide Mining in Northeastern Minnesota Northeastern

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.

Sulfide Mining Fact Sheet  MEPartnership

Sulfide Mining Fact Sheet MEPartnership

Sulfide mining is different from traditional iron ore mines and taconite mining (sometimes referred to as ferrous mining). Sulfide mines have never been operated safely no mine of this type has been known to have operated and closed without polluting local lakes, rivers, or groundwater.ii

SULFIDE MINING  mncenter

SULFIDE MINING mncenter

Although Minnesota has a long history of iron ore mining, sulfide mining for copper, nickel, and precious metals has never been attempted. Prices for some metals, including copper, reached historic highs in 2011, and some companies have sought to mine Minnesota's lowgrade sulfide ores.

Sulfide Mining  Sierra Club

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.

McCollum introduces bill to ban sulfideore mining within

McCollum introduces bill to ban sulfideore mining within

The Boundary Waters Wilderness Protection and Pollution Prevention Act, or H.R. 5598, is aimed only at banning sulfideore mining within the 220,000 acres of the Superior National Forest and within

What is Sulfide Mining?  Mining Action Group

What is Sulfide Mining? Mining Action 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.

In Minnesota, when it comes to prosulfidemining rhetoric

In Minnesota, when it comes to prosulfidemining rhetoric

On July 18, 2019, Twin Metals Minnesota suddenly announced it would use dry stacking for tailings waste at its proposed coppernickel sulfide mine adjacent to Minnesotas

Mining  Minnesota Center for Environmental Advocacy

Mining Minnesota Center for Environmental Advocacy

Sulfide mining in Minnesota would affect many of our treasured places, including Lake Superior and the Boundary Waters. Its too important of an issue to be uninformed. Please visit the website to learn more, take the pledge, and tell your friends. Minnesota Center for Environmental Advocacy

Sulfide mining the most fateful decision Minnesota will

Sulfide mining the most fateful decision Minnesota will

Dec 12, 20170183;32;Sulfide mining would destroy thousands of acres of habitat for loons in northeastern Minnesota, pollute lakes and streams, and create toxic pit waters, decimating loon populations