Tectonics Of The Coast Mountains Southeastern Alaska And British Columbia
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Tectonics of the Coast Mountains Southeastern Alaska and British Columbia
Author | : Harold Hilton Stowell,William C. McClelland |
Publsiher | : Geological Society of America |
Total Pages | : 304 |
Release | : 2000-01-01 |
Genre | : Science |
ISBN | : 0813723434 |
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Geology of Southeast Alaska
Author | : Harold Stowell |
Publsiher | : University of Alaska Press |
Total Pages | : 154 |
Release | : 2006-03-01 |
Genre | : Nature |
ISBN | : 9781602231337 |
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The most powerful forces on earth have shaped the landscape of Southeast Alaska. Scientists and visitors from around the world trek north to experience wild rivers, powerful glaciers, and breathtaking mountain peaks. Now, for the first time, a handy guide to the region is available. Complete with color illustrations revealing millions of years of geological history and in-depth descriptions of Sitka, Juneau, and Glacier Bay, Geology of Southeast Alaska is essential reading for anyone fascinated by rock and ice in motion. Written by a geologist with over twenty-five years of experience in the north, Geology of Southeast Alaska will entertain and inform with abundant photographs and detailed drawings. Whether you want to understand the forces that shaped the state of Alaska, or you want to learn the basics of glacial movement, this compact, authoritative book is for you.
Crustal Cross Sections from the Western North American Cordillera and Elsewhere
Author | : Robert Bruce Miller,Arthur W. Snoke |
Publsiher | : Geological Society of America |
Total Pages | : 324 |
Release | : 2009 |
Genre | : Science |
ISBN | : 9780813724560 |
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"Exposed crustal cross sections provide a unique direct view of continental crust, and are a major source of insights into variations in lithologic and geochemical composition, structural style, metamorphism, plutonism, and rheology with progressive depth through the crust. This volume provides a synthesis of crustal cross sections with a special emphasis on Phanerozoic sections from the western North American Cordillera, supplemented by articles on lower- and mid-crustal sections through Proterozoic crust in North America and Australia, and the classic crustal section of Fiordland, New Zealand. Many of the papers describe multidisciplinary research on crustal sections and include data from various combinations of structural analysis, geochemistry, geothermobarometry, geochronology, geophysics, and other disciplines. The volume also discusses common problems for the interpretation of crustal cross sections, including how sections that expose deep-crustal rocks are eventually exhumed, and leading to the conclusion that there is no simple 'standard model' for continental crust. This volume will be useful to those interested in structural geology, tectonics, geodynamics, regional geology, petrology, geochemistry/isotope geology, and geophysics."--Pub. desc.
Architecture and Evolution of the Crust during Continental Arc Magmatism
Author | : Glenn J. Woodsworth,Margaret E. Rusmore,Harold H. Stowell,Lincoln S. Hollister |
Publsiher | : Geological Society of America |
Total Pages | : 135 |
Release | : 2020-07-06 |
Genre | : Science |
ISBN | : 9780813700588 |
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The Tectonic Setting and Origin of Cretaceous Batholiths within the North American Cordillera
Author | : Robert S. Hildebrand,Joseph B. Whalen |
Publsiher | : Geological Society of America |
Total Pages | : 113 |
Release | : 2017-10-03 |
Genre | : Batholiths |
ISBN | : 9780813725321 |
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In this Special Paper, Hildebrand and Whalen present a big-picture, paradigm-busting synthesis that examines the tectonic setting, temporal relations, and geochemistry of many plutons within Cretaceous batholithic terranes of the North American Cordillera. In addition to their compelling tectonic synthesis, they argue that most of the batholiths are not products of arc magmatism as commonly believed, but instead were formed by slab failure during and after collision. They show that slab window and Precambrian TTG suites share many geochemical similarities with Cretaceous slab failure rocks. Geochemical and isotopic data indicate that the slab failure magmas were derived dominantly from the mantle and thus have been one of the largest contributors to growth of continental crust. The authors also note that slab failure plutons emplaced into the epizone are commonly associated with Cu-Au porphyries, as well as Li-Cs-Ta pegmatites.
Geology of a Transpressional Orogen Developed During Ridge trench Interaction Along the North Pacific Margin
Author | : Virginia Baker Sisson,Sarah Melissa Roeske,Terry L. Pavlis |
Publsiher | : Geological Society of America |
Total Pages | : 392 |
Release | : 2003-01-01 |
Genre | : Science |
ISBN | : 081372371X |
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Accompanying CD-ROM contains maps using the comercial drawing program Adobe Illustrator 9.0 for Wintel systems.
The Sedimentary Basins of the United States and Canada
Author | : Andrew Miall |
Publsiher | : Elsevier |
Total Pages | : 823 |
Release | : 2019-04-20 |
Genre | : Science |
ISBN | : 9780444638960 |
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The Sedimentary Basins of the United States and Canada, Second Edition, focuses on the large, regional, sedimentary accumulations in Canada and the United States. Each chapter provides a succinct summary of the tectonic setting and structural and paleogeographic evolution of the basin it covers, with details on structure and stratigraphy. The book features four new chapters that cover the sedimentary basins of Alaska and the Canadian Arctic. In addition to sedimentary geologists, this updated reference is relevant for basin analysis, regional geology, stratigraphy, and for those working in the hydrocarbon exploration industry. Features updates to existing chapters, along with new chapters on sedimentary basins in Alaska and Arctic Canada Includes nearly 300 detailed, full-color paleogeographic maps Written for general geological audiences and individuals working in the resources sector, particularly those in the fossil fuel industry
Tectonic Growth of a Collisional Continental Margin
Author | : Kenneth D. Ridgway |
Publsiher | : Geological Society of America |
Total Pages | : 676 |
Release | : 2007 |
Genre | : Science |
ISBN | : 9780813724317 |
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"The convergent margin of southern Alaska is considered one of the type areas for understanding the growth of continental margins through collisional tectonic processes. Collisional processes that formed this margin were responsible for multiple episodes of sedimentary basin development, subduction complex growth, magmatism, and deformation. Two main collisional episodes shaped this Mesozoic-Cenozoic continental margin. The first event was the Mesozoic collision of the allochthonous Wrangellia composite terrane. This event represents the largest addition of juvenile crust to western North America in the past 100 m.y. The second event is the ongoing collision of the Yakutat terrane along the southeastern margin of Alaska. This Cenozoic event has produced the highest coast mountain range on Earth (Saint Elias Mountains), the Wrangell continental arc, and sedimentary basins throughout southern Alaska. Active collisional processes continue to shape the southern margin of Alaska, mainly through crustal shortening and strike-slip deformation, large-magnitude earthquakes, and rapid uplift and exhumation of mountain belts and high sedimentation rates in adjacent sedimentary basins. This volume contains 24 articles that integrate new geophysical and geologic data, including many field-based studies, to better link the sedimentary, structural, geochemical, and magmatic processes that are important for understanding the development of collisional continental margins."--Publisher's website.