Geology of the Lake Superior Region |
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In clear, concise, jargon-free prose, Geology of the Lake Superior Region integrates a discussion of basic physical geology into a chronological view of the geological processes that formed the Upper Midwest around Lake Superior. Includes tons of photographs, maps, diagrams and expert descriptions. This 6"x9" paperback has 313 pages that are packed with detailed information about one of the most interesting geological areas in North America. See table of contents at the bottom of this page. Gene L. LaBerge, author.
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Geology of the Lake Superior Region - Table of Contents
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Part 1: Introduction
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1
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The Beginning
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2
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Geologic Time
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6
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The Rock Cycle
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8
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The Theory of Plate Tectonics
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11
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Part 2: The Archean
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21
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Greenstone - Granite Terranes
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24
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Gneiss Belts
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45
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Part 3: The Early Proterozoic
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51
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The "Eparchean Interval"
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52
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Rifting and Continental Breakup
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53
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Convergent (Active) Margin
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92
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The Penokean Mountains
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110
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Summary of Early Proterozoic Events in the Lake Superior Region
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125
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Part 4: The Middle Proterozoic
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129
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The Wolf River Batholith
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131
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The Syenite Bodies Near Wausau
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135
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Quartzites
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141
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The Keweenawan
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145
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Part 5: The Paleozoic
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183
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The Encroaching Seas
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184
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The Paleozoic History of the Lake Superior Region
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207
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Economic Importance of Paleozoic Rocks
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226
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Part 6: The Pleistocene
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237
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Before the Ice
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238
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Development of Continental Glaciers
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243
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Glacial Erosion and Transport
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245
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Glacial Deposition
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249
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Pleistocene Stratigraphy
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260
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Glimpses of Our Glacial Heritage
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263
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Pleistocene Life
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293
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Economic Aspects of Glaciation
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294
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References Cited
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301
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Glossary
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305
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Index
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311
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