Minnesota’s Geology

Have you ever wondered how the Mississippi River was formed? Or why shark teeth have been found in the Iron Range of the Upper Midwest? Towering ain ranges, explosive volcanoes, expansive glaciers, and long-extinct forms of both land and sea life were important parts of Minnesota's ancient history. Today the evidence of this remarkable heritage is revealed in the state's rocky outcroppings, stony soils, and thousands of lakes. Minnesota's Geology provides a history of the past 3.5 billion years in the area's development. In accessible language, Minnesota-based geologists Richard W. Ojakan and Charles L. Matsch tell the story of the state's past and offer a guide for those who want to read geological history firsthand from the rocks and landscapes of today. The book's four sections give a short introduction to geology and Minnesota's place in geologic history; a historic timeline; a look at the metallic minerals, nonmetals, and water present today; and a geologic picture of today's Minnesota arranged in five geographical regions. This book is both a wonderful source of information for rock hounds and the perfect backpacking companion for tourists and outdoor enthusiasts. Lavishly illustrated with color and black-and-white photographs, as well as extensive graphs and s, Minnesota's Geology will inform and delight for years to come. "This is certainly one of the finest books about the geology of any state in the United States. It is written at a level that should satisfy the visitor, the student, and even most professionals." American Scientist "A stunning guide . . . Minnesota's Geology will be as valuable to the rock hound or student as it is to a trained geologist." Duluth News-Tribune "Minnesota's Geology sets a standard of excellence for books about the geology of a region. . . . an unusually well-written and well-balanced book." Science Books and Films Richard W. Ojakan and Charles L. Matsch are professors in the Department of Geological Sciences at the University of Minnesota, Duluth.

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