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Map of Minnesota bedrock by age. Shaded relief image: Superior Upland in the northeast, the flat Red River Valley in the northwest, Central Minnesota's irregular landscape, the Coteau des Prairies and Minnesota River in the southwest, and the southeast's dissected Driftless Area along the Mississippi River below its confluences with the Minnesota and St. Croix in East Central Minnesota
The Minnesota Geological Survey has placed this image in the public domain with the request that credit be given to the Minnesota Geological Survey, University of Minnesota, and to the author(s) of the specific work. These images are available through the Minnesota Digital Library, "Minnesota Reflections".
Mississippi River from Frontenac State Park, Minnesota (USDA, Natural Resources Conservation Service) Corresponding to the southeast geological region of Minnesota, the colloquial "Driftless Area" (though the whole region was glaciated) begins at about Fort Snelling. Starting as a narrow sliver against the Mississippi, it widens to the west as ...
The Mesabi Iron Range is a mining district and mountain range in northeastern Minnesota following an elongate trend containing large deposits of iron ore. It is the largest of four major iron ranges in the region collectively known as the Iron Range of Minnesota. First described in 1866, it is the chief iron ore mining district in the United ...
The Duluth Complex includes much of Minnesota's Arrowhead Region north of Lake Superior.From the west near Duluth, Minnesota, it arcs north and northeast to about 48° north latitude south of Knife Lake, proceeds east at that latitude some five to twenty kilometers distant from and south of the Canada–US border to about 90° west longitude where it joins the border at the Pigeon River, and ...
From a geological perspective, Minnesota's Iron Range includes these four major iron deposits: [4] Mesabi Range, the largest iron range, largely within Itasca and Saint Louis counties; Vermilion Range, northeast of the Mesabi, in Saint Louis and Lake counties; Gunflint Range, in the extreme northern portion of Cook County and extending into ...
Pages in category "Geology of Minnesota" The following 34 pages are in this category, out of 34 total. This list may not reflect recent changes. ...
Minnesota, showing major roads, railroads, and bodies of water. The U.S. State of Minnesota is the northernmost state outside Alaska; its isolated Northwest Angle in Lake of the Woods is the only part of the 48 contiguous states lying north of the 49th parallel north. Minnesota is in the U.S. region known as the Upper Midwest in