The Great Lakes Indian Fish and Wildlife Commission has produced this updated map of Lake Superior mining. Since I’ve written about an earlier version of this map (here, but see also here and here and here) and I plan to write about Lake Superior mining moving forward, I thought it would be useful to share it.
This March 15, 2013 version of the map [pdf] includes more detail and definition as we see new projects come online and exploration and leasing continue apace.
Notice how much more detail we have in this version around Duluth and Hibbing, in the southwestern corner of Superior. Taconite and iron yield to copper and nickel as the trail of exploration moves north. On the south shore of Superior, in Michigan’s Upper Peninsula, the Kennecott Eagle Copper Mine on the Yellow Dog Plains, along with White Pine and Orvana Copperwood, are now properly identified.
Claims and leases have turned much of this area, from L’Anse Bay to Marquette and over to Deer Lake, pink. The new mining runs right up to the edge of the watershed area that stretches from the Carp River to St. Mary’s River.
The densest concentration of leasing and mining claims remains on the Canadian side, on the northwestern shore of Superior, from Thunder Bay toward Lake Nipigon. Gold and rare mineral exploration predominate.
“Areas of Concern” singled out by the Lake Superior Mining Committee in 2010 are unchanged, on both the Canadian and the U.S. sides of the lake; and yet we see mineral exploration and new mining claims right around these areas.
It’s tempting to look at what’s happening around Lake Superior right now and make alarming conjectures about what might happen, three or five or ten years down the road. Nobody knows how many full-blown big mining operations will develop from all this exploration and activity. But it’s clear from this map that new mining is already putting significant pressure on Lake Superior.
Note: For a newer (2020) version of this map, see this post.
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Louis, you may be interested in our article about the Highland Copper Co. — exploring in the Keweenaw and now at the old White Pine Mine for more copper: http://keweenawnow.blogspot.com/2013/11/highland-copper-co-to-acquire-white.html
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