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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. Ojakangas 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 maps, Minnesota's Geology will inform and delight for years to come.
Richard W. Ojakangas and Charles L. Matsch are professors in the Department of Geological Sciences at the University of Minnesota, Duluth.
|Chapter 1.||The Briefing||3|
|Chapter 2.||Minnesota's Place in Geologic History||15|
|Part II.||Geologic History|
|Chapter 3.||Early Precambrian Time (4,500 to 2,500 Million Years Ago)||23|
|Chapter 4.||Middle Precambrian Time (2,500 to 1,600 Million Years Ago)||35|
|Chapter 5.||Late Precambrian Time (1,600 to 600 Million Years Ago)||47|
|Chapter 6.||Post-Precambrian Time (600 to 2 Million Years Ago)||63|
|Chapter 7.||The Quaternary Period (2 Million Years Ago to the Present)||97|
|Part III.||Mineral Resources|
|Chapter 8.||Metallic Minerals||125|
|Chapter 9.||Nonmetals, Fuels, and Water||151|
|Part IV.||Regional Geology|
|Chapter 10.||Northeastern Minnesota||161|
|Chapter 11.||Northwestern Minnesota||199|
|Chapter 12.||Central Minnesota||211|
|Chapter 13.||Southwestern Minnesota||223|
|Chapter 14.||Southeastern Minnesota||233|