The geologic history of the Pacific Northwest is as unique as the region itself. Created via tectonic plate movements and accretionary events, the original terranes were subsequently covered by sedimentary layers, ash, lavas, and glacial debris. These processes, begun millions of years ago, continue to affect the area, as seen in the eruption of Mount St. Helens and catastrophic Japanese tsunamis created by earthquakes in the Pacific Northwest. Understanding of the region's geology has led to new insight in volcanic eruption prediction, disaster preparedness, the environmental effects of mining, and urban development as it relates to geologic hazards. The Orrs' detailed and informative writing style appeals to those with geologic training as well as beginners with an interest in the region. Each chapter covers a specific subregion, allowing for maximum flexibility both in the classroom and for the casual reader. The authors' central theme that continental plate tectonics are the fundamental processes of Northwest geologic history permeates throughout the book.
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Book Description Waveland Pr Inc, 2006. Paperback. Book Condition: Brand New. 2nd edition. 337 pages. 10.50x8.25x0.75 inches. In Stock. Bookseller Inventory # 1577664809
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