Mesozoic Assembly of the North American Cordillera - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Mesozoic Assembly of the North American Cordillera write by Robert S. Hildebrand. This book was released on 2013-01-01. Mesozoic Assembly of the North American Cordillera available in PDF, EPUB and Kindle. "In this well-illustrated book, Hildebrand expands upon his model for the development of the North American Cordillera detailed in Special paper 457. Starting with an overview of Cordilleran geology he goes on to provide an in depth look at how the Rubian ribbon continent was assembled. He integrates the complex geology of the Cordillera into an actualistic model involving arc magmatism, arc-continent collision, slab failure magmatism, and transcurrent motion in both Rubia and the western North American margin. While much of the focus is on the assembly of the Rubian ribbon continent, Hildebrand explores its interactions with North America during the Sevier and Laramide events and concludes that North America was the lower plate in both"--Provided by publisher.
The Significance of the Cretaceous Kluane Schist in the Mesozoic Assembly of the North American Cordillera
The Significance of the Cretaceous Kluane Schist in the Mesozoic Assembly of the North American Cordillera - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook The Significance of the Cretaceous Kluane Schist in the Mesozoic Assembly of the North American Cordillera write by William F McKenzie. This book was released on 2023. The Significance of the Cretaceous Kluane Schist in the Mesozoic Assembly of the North American Cordillera available in PDF, EPUB and Kindle. The Cordillera of western North America is an archetypal accretionary orogen. During the Mesozoic, two significant periods of terrane accretion are recognised within the Canadian-Alaska ("Northern") Cordillera: 1) the accretion of the Intermontane terranes to the western Laurentian margin from ca. 200 to ca. 180 Ma and, (2) the subsequent accretion of the Insular terranes to the Intermontane terranes, possibly as early as ca. 174 Ma and as late as ca. 70 Ma. Information regarding the precise timing and tectonic drivers of this Mesozoic accretionary history is held within a series of inverted Jura-Cretaceous basins exposed at the interface between the pericratonic Intermontane and exotic Insular terranes. Of these inverted basins, the Kluane Schist, southwest Yukon, represents one of the largest and most continuous exposures. The Kluane Schist consists of metamorphosed and deformed low-Al pelites that were deposited during the very latest stages of Insular terrane accretion. Detrital zircon geochronology reveals a Late Cretaceous maximum depositional age for the Kluane Schist and Hafnium-isotope geochemistry provides strong provenance ties to Triassic-Cretaceous zircon sources currently exposed within the southern Yukon Tanana terrane. Detailed petrography, petrological modelling, and in-situ monazite petrochronology demonstrate the metamorphism of the Kluane Schist occurred during the override of the Yukon-Tanana terrane between ca. 70-55 Ma. This metamorphic evolution, combined with its continentally-dipping, Buchan-style inverted metamorphic sequence and tops-to-the-southwest shear structures are consistent with the Kluane Schist representing the uppermost part of a contractional forearc to an arc built upon the Yukon-Tanana terrane. This geodynamic setting for the Kluane Schist is most compatible with models of Insular terrane accretion that involve east-dipping subduction below a westward migrating North American continent during the Mesozoic.
From the Puget Lowland to East of the Cascade Range
From the Puget Lowland to East of the Cascade Range - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook From the Puget Lowland to East of the Cascade Range write by Ralph A. Haugerud. This book was released on 2017-10-13. From the Puget Lowland to East of the Cascade Range available in PDF, EPUB and Kindle. "This volume contains guides that geographically focus on the Seattle, Washington, area within the Puget lowland, and also includes descriptions of trips in the Cascade Range and the region east of the Cascades"--
Field Excursions from the 2021 GSA Section Meetings
Field Excursions from the 2021 GSA Section Meetings - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Field Excursions from the 2021 GSA Section Meetings write by Joan Florsheim. This book was released on 2021-11-10. Field Excursions from the 2021 GSA Section Meetings available in PDF, EPUB and Kindle.
California's Amazing Geology
California's Amazing Geology - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook California's Amazing Geology write by Donald R. Prothero. This book was released on 2024-03-21. California's Amazing Geology available in PDF, EPUB and Kindle. California has some of the most distinctive and unique geology in the United States. It is the only state with all three types of plate boundaries, an extraordinary history of earthquakes and volcanoes, and many rocks and minerals found nowhere else. The Golden State includes both the highest and lowest points in the continental US and practically every conceivable geological feature known. This book discusses not only the important geologic features of each region in California but also the complex geologic four-dimensional puzzle of how California was assembled, beginning over two billion years ago. The author provides an up-to-date and authoritative review of the geology and geomorphology of each geologic province, as well as recent revelations of the tectonic history of California’s past. There are separate chapters on some of California’s distinctive geologic resources, including gold, oil, water, coastlines, and fossils. An introductory section describes basic rock and mineral types and fundamental aspects of plate tectonics, so that students and other readers can make sense of the bizarre, wild, and crazy jigsaw puzzle that is California's geological history. In this second edition, the book has an entirely new final section, “California’s Environmental Hazards and Challenges,” with new chapters on California’s landslides, air and water pollution, renewable energy, and the future of climate change in California. Key Features Thoroughly updates the market-leading textbook on California's geology Is written by an author with 30 years of teaching geology and leading field trips in California Introduces California's unique geological history Covers fundamentals of geology Characterizes specific geographical regions of California Describes major geological resources of California Summarizes the paleontology of California Reviews the likely impact of climate change on California's environment Related Titles Hollocher, K. A Pictorial Guide to Metamorphic Rocks in the Field (ISBN 978-11380-2630-8) Glavovic, B. et al. Climate Change and the Coast: Building Resilient Communities (ISBN 978-04154-6487-1)
