Will the extensive sulfide mineral copper-nickel deposits of Minnesota’s Duluth Complex ever be mined?

Will the extensive sulfide mineral copper-nickel deposits of Minnesota’s Duluth Complex ever be mined?

Location of sulfide mineral deposits along the western edge/base of the Duluth…

Native Americans’ objections to sulfide mineral mining

Native Americans’ objections to sulfide mineral mining

Northern wild rice growing in Northern Midwest wetlands.  Wild rice is an…

“Liberation Act” for Minnesota’s Superior National Forest and Native Americans

“Liberation Act” for Minnesota’s Superior National Forest and Native Americans

The opinion page in the Wall Street Journal on April 21, 2026…

Acidity and toxicity of tailings from the Copperwood Mine

Acidity and toxicity of tailings from the Copperwood Mine

From studies done by Scott Cardiff, John Coleman, and Esteban Chiriboga (Preliminary…

Copperwood Mine Project:  Wilderness Versus Jobs

Copperwood Mine Project: Wilderness Versus Jobs

Location of the Copperwood project next to the Porcupine Mountains State Park…

Potential negative characteristics of mining sulfide minerals

Potential negative characteristics of mining sulfide minerals

The abandoned Tulsequah Chief Mine in northwestern British Columbia has leaked toxic, acidic,…

September 2026
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