Download or read book U Pb Zircon Ages of Late Precambrian Rocks in Southern Britain and the Timing of Igneous Events in the Avalon Composite Terrane written by R. D. Tucker and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book U Pb Zircon Ages for Late Precambrian Igneous Rocks in Southern Britain written by R. D. Tucker and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Geological History of Britain and Ireland written by Nigel H. Woodcock and published by John Wiley & Sons. This book was released on 2012-04-12 with total page 483 pages. Available in PDF, EPUB and Kindle. Book excerpt: Britain and Ireland have a remarkably varied geology for so small a fragment of continental crust, with a fine rock record back through three billion years of geological time. This history would have been interesting enough if it had been played out on relatively stable continental crust. However, Britain and Ireland have developed at a tectonic crossroads, on crust once traversed by subduction zones and volcanic arcs, continental rifts and mountain belts. The resulting complexity is instructive, fascinating and perplexing. Geological History of Britain and Ireland tells the region's story at a level accessible to undergraduate geologists, as well as to postgraduates, professionals or informed amateurs. This second edition is fully revised and updated, reflecting our continually developing knowledge of the region's geology. Full coverage is again given to the rich Precambrian and Early Palaeozoic history, as well as to later events more relevant to hydrocarbon exploration. The book is an essential starting point for more detailed studies of the regional geology. Additional resources for this book can be found at: http://www.wiley.com/go/woodcock/geologicalhistory
Download or read book Canadian Journal of Earth Sciences written by and published by . This book was released on 1998 with total page 824 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book From Rodinia to Pangea written by Richard P. Tollo and published by Geological Society of America. This book was released on 2010 with total page 972 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The Appalachians constitute one of Earth's major tectonic features and have served as a springboard for innovative geologic thought for more than 170 years. This volume contains 36 original papers reporting the results of research performed throughout nearly the entire length and breadth of the Appalachian region, including all major provinces and geographical areas. Memoir 206 was designed to commemorate the (near-)fortieth anniversary of the publication of the classic Studies of Appalachian Geology volumes that appeared just prior to the application of plate tectonic concepts to the region. Contributions concerning structural evolution, sedimentation, stratigraphy, magmatic processes, metamorphism, tectonics, and terrane accretion illustrate the wide range of ongoing research in the area and collectively serve to mark the considerable progress in scientific thought that has occurred during the past four decades."--pub. desc.
Download or read book Bibliography and Index of Geology written by and published by . This book was released on 1992 with total page 1592 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pannotia to Pangaea written by B. Murphy and published by Geological Society of London. This book was released on 2021-01-28 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: Special Publication 503 celebrates the career of R. Damian Nance. It features 27 articles, with more than 110 authors based in 18 different countries. These articles include contributions on the processes responsible for the formation and breakup of supercontinents, the controversies concerning the status of Pannotia as a supercontinent, the generation and destruction of Paleozoic oceans, and the development of the Appalachian-Ouachitan-Caledonide-Variscan orogens. In addition to field work, the approaches to gain that understanding include examining the relationships between stratigraphy and structural geology, precise geochronology, geochemical and isotopic fingerprinting, geodynamic modelling, regional syntheses, palaeogeographic modelling, and good old-fashioned arm-waving! The wide range of topics mirrors the breadth and depth of Damian’s contributions, interests and expertise. Like Damian’s papers, the contributions range from the predominantly conceptual to detailed field work, but all are targeted at understanding important tectonic processes. Their scope not only varies in scale from global to regional to local, but also in the range of approaches required to gain that understanding.
Download or read book GAC Special Paper written by Geological Association of Canada and published by . This book was released on 1956 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book U Pb Zircon Ages from the Milford Orthogneiss Milford Sound Northern Fiordland written by and published by . This book was released on 2000 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Phanerozoic Evolution of North American Continent ocean Transitions written by Decade of North American Geology Project and published by . This book was released on 1994 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pre cambrian Igneous Rocks Of The Unkar Terrane Grand Canyon Of The Colorado Arizona written by Charles Doolittle Walcott and published by Legare Street Press. This book was released on 2023-07-18 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This detailed geological survey of the Grand Canyon provides valuable insight into the pre-Cambrian igneous rocks of the Unkar Terrane. With detailed maps, diagrams, and analysis, this book is an essential resource for anyone interested in the geology of the region. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Download or read book 2009 Joint Assembly Abstracts 24 27 May 2009 Toronto Ontario Canada written by American Geophysical Union. Joint Assembly and published by . This book was released on 2009 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Early Palaeozoic Peri Gondwana Terranes written by Michael G. Bassett and published by Geological Society of America. This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explores the tectonic, palaeogeographical and palaeobiogeographical evolution of the elements that made up the peri-Gondwanan collage.
Download or read book Pre Cambrian Igneous Rocks of the Unkar Terrane Grand Canyon of the Colorado Arizona written by Charles Doolittle Walcott and published by . This book was released on 1895 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Detrital Zircon U Pb Age Constraints on the Provenance of the Late Jurassic Norphlet Formation Eastern Gulf of Mexico written by Thomas R. Lovell and published by . This book was released on 2013 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: Detrital zircon U-Pb geochronology and thin-section petrology of core samples taken from onshore Alabama and offshore federal lease blocks, including Destin Dome, Pensacola, and Mobile, constrain sediment provenance for the Upper Jurassic Norphlet Formation in the eastern Gulf of Mexico. Previous research of the Norphlet Fm. in onshore Alabama suggests that sediments near onshore areas of Alabama originated from metamorphic rocks of the Talladega slate belt and Piedmont. This study provides evidence that the Gondwanan Suwannee terrane is another potential source for the Norphlet Fm. in the EGOM. This study determined U-Pb ages for 1111 detrital zircons from 13 Norphlet Fm. core and cutting samples were determined using LA-ICPMS. The Norphlet Fm. yields four major U-Pb age ranges: 197.9 - 350 Ma, 350 - 770 Ma, 800 - 1650 Ma, and 1650 - 3390 Ma. These ages correspond with known U-Pb ages of source terranes common to Laurentia, including the Grenville (950 - 1300 Ma), (Granite-Rhyolite (1350 - 1550 Ma), Yavapai-Matzatzal (1650 - 1750 Ma), Penokean (1800 - 1900 Ma), and Superior Provinces (>2500 Ma). U-Pb ages also reveal sourcing from the Gondwanan Suwannee Terrane (540 - 580 Ma and 2000 - 2200 Ma). This study establishes four geochronologic source terranes: the ancient Appalachian Mountains, the Appalachian foreland basin, Mesozoic rift basins, and the Suwannee Terrane. Ten samples from onshore Alabama yield detrital zircon U-Pb ages characteristic of Laurentian sources (Appalachian mountains and Appalachian foreland basin), whereas two offshore samples yield characteristic Gondwanan (Suwannee Terrane) ages. Four samples located adjacent to the Mesozoic rift basin reveal ages characteristic of both Laurentia and Gondwana - indicating an area of sediment mixing during the late Jurassic. Twelve thin-sections taken from 9 cores in the onshore and state waters areas were point counted for 400 grains each for compositional analysis. Petrolographic analyses reveal plagioclase and potassium feldspars, polycrystalline quartz, metamorphic and volcanic lithic fragments as dominant grain types. Petrologic data corroborate that onshore Alabama samples were sourced by recycled orogenic and cratonic rocks of Laurentia and southern samples were sourced by less mature sources characteristic of a rift basin (Mesozoic rift basins). A paleogeographic reconstruction illustrates sediment being distributed from Laurentian and Gondwanan sources via alluvial, fluvial, eolian, and marine depositional environments.
Download or read book The Squantum Tillite written by Robert W. Sayles and published by . This book was released on 1914 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Boundaries of the West African Craton written by Nasser Ennih and published by Geological Society of London. This book was released on 2008 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:
