July 5, 2013 By Joseph Skulan A potential major environmental hazard of the iron mine Gogebic Taconite (GTac) claims it intends to open in the Penokee Hills is acidic runoff caused by the oxidation of sulfide minerals in rocks disturbed by mining operations. Sulfide minerals in the form of pyrite (ferrous sulfide) are known to […]
Tag Archives: acid mine drainage
The Midwest Mining Rush and Conflicts over Tribal Sovereignty
February 1, 2013 PowerPoint © Al Gedicks For full screen version click on the button on the bottom right with the four arrows pointing out:
Jim Coursolle, President of Heartland Communications, Mangles Science with Misinformation on Mining Bill
Last week Jim Coursolle, President of Heartland Communications, began running editorials on his radio stations in northern Wisconsin attempting to debunk the scientific evidence that a 22-mile open pit iron ore mine in the Penokee Hills would send billions of gallons of sulfuric acid into the Bad River watershed. His efforts seem to be strategically […]
ACTION ALERT: Contact Your Senators and Tell Them to Vote NO on Today’s Mining Bill
March 6, 2012 by Barbara With Yesterday, after much debate, the Joint Finance Committee (JFC) once again rubber stamped AB426, the Assembly version of the mining bill through committee. Co-chairs Rep. Robin Vos (R) and Sen. Alberta Darling (R) held a press conference before the committee met to introduce new amendments to the bill that […]
The Tyler Shale: Waste Overburden or Phosphate Ore?
March 1, 2012 by Hematite Proponents of the proposed iron mine in the Penokees claim that there are two kinds of rock: overburden waste rock (the Tyler shale) and iron ore. To date, the main concern with the Tyler is the presence of sulfide in the form of pyrite, or iron sulfide. When disturbed by […]
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