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Author : David Elliott Bailey
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (535 download)
Download or read book Metamorphic Evolution of the Crust of South-western Norway written by David Elliott Bailey and published by . This book was released on 1989 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. G. Milnes
Publisher : Geological Society of America
ISBN 13 : 0813700191
Total Pages : 92 pages
Book Rating : 4.8/5 (137 download)
Download or read book Structural Geology and Tectonic Evolution of the Sognefjord Transect, Caledonian Orogen, Southern Norway written by A. G. Milnes and published by Geological Society of America. This book was released on 2011 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Sognefjord transect through the Lower to Middle Paleozoic Caledonian orogenic belt in southern Norway provides a superb and exceptionally well-documented example of late collisional, Alpine-type tectonics. This field guide is the first synthesis of the region to include detailed locality descriptions.
Author : Jean-Pierre Burg
Publisher : Geological Society Publishing House
ISBN 13 :
Total Pages : 286 pages
Book Rating : 4.:/5 (318 download)
Download or read book Orogeny Through Time written by Jean-Pierre Burg and published by Geological Society Publishing House. This book was released on 1997 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a series of review articles on nine important ancient orogens on Earth. Comparison of these mountain belts provides a wealth of information for the debate on whether there has been a change in mountain-building processes through the history of the Earth. As a precursor to these papers, the rheology of the Earth's lithosphere through time is reviewed. Theoretical analysis and insight into the behaviour of the lithosphere of other planets constrain mechanical considerations of the Earth's lithosphere. It is clear from these overviews that geodynamic concepts and modelling, and new techniques such as deep seismic profiling and geochronology are having a profound impact on orogenic studies.
Author : K.C. Condie
Publisher : Elsevier
ISBN 13 : 0080869092
Total Pages : 553 pages
Book Rating : 4.0/5 (88 download)
Download or read book Proterozoic Crustal Evolution written by K.C. Condie and published by Elsevier. This book was released on 1993-02-03 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a final product of the International Geological Correlation Program (IGCP) Project 217, this volume brings together significant advances in the understanding of Proterozoic crustal evolution. This IGCP Project focussed on nine research objectives: 1) Comparison of Archean and Proterozoic supracrustal assemblages to more fully understand differences between Archean and post-Archean tectonic regimes; 2) To more fully understand the geochemical differences between Archean and post-Archean sediments and to evaluate the various factors that control sediment composition; 3) From combined U/Pb zircon and whole-rock Sm/Nd studies, to see if the apparent 2.4-2.0 continental crust "generation gap" is real; 4) To employ new techniques in the dating of individual zircons to more fully understand Proterozoic tectonic history and the role of crustal reworking; 5) From trace element ratios and Nd isotopic data from basalts, to better understand Proterozoic mantle evolution; 6) To encourage more detailed studies of the anorogenic granite-anorthosite association to better understand its origin and significance in terms of crustal evolution; 7) From combined Nd, Pb, and Sr isotopic data, to more precisely estimate the amount of new continental crust formed during the Proterozoic; 8) To encourage joint P-T and geochronological studies of Proterozoic and high-grade terranes to better understand Proterozoic orogenesis: and 9) To try and understand why hydrothermal precious metal deposits are relatively rare in the Proterozoic compared to both the Archean and the Phanerozoic. The book should be of interest to professionals in the geosciences (especially geochemists, petrologists and structural geologists) and graduate students in the same fields.
Author : Dennis A. Carswell
Publisher : The Mineralogical Society of Great Britain and Ireland
ISBN 13 : 9634636462
Total Pages : 520 pages
Book Rating : 4.6/5 (346 download)
Download or read book Ultrahigh Pressure Metamorphism written by Dennis A. Carswell and published by The Mineralogical Society of Great Britain and Ireland. This book was released on 2003-01-01 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ulf Linnemann
Publisher : Geological Society of America
ISBN 13 : 0813724236
Total Pages : 642 pages
Book Rating : 4.8/5 (137 download)
Download or read book The Evolution of the Rheic Ocean written by Ulf Linnemann and published by Geological Society of America. This book was released on 2007 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geological evolution of middle to late Paleozoic rocks in the Avalon terrane of northern mainland Nova Scotia, Canadian Appalachians: a record of tectonothermal activity along the northern margin of the Rheic Ocean in the Appalachian-Caledonide orogen.
Author : Alex C. Tobi
Publisher : Springer Science & Business Media
ISBN 13 : 9400954506
Total Pages : 601 pages
Book Rating : 4.4/5 (9 download)
Download or read book The Deep Proterozoic Crust in the North Atlantic Provinces written by Alex C. Tobi and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 601 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Proterozoic terrains of South Scandinavia and the Grenville Province in North-America have many common features : Regional high grade metamorphism (Granulite-facies), anorthosites, etc. They are separated by the Caledonian orogeny and, above all, by the Atlantic Ocean. During the time of the great continental drift controversy, few people were ready to admit that both sides on the Atlantic were once an unique province. Now everybody agrees on the Post-paleozoic age of the Atlantic and, consequently, on the intrinsic homogeneity of the much older. rocks which occur around it. But a detailed comparison is not easy. The Grenville Province is much larger than South Scandinavia, both regions have been investigated by a great number of different schools, using various methods, approaches and concepts. After several attempts, and long discussion, it was felt by a small group of individuals, that literature study would not be enough and that nothing could re place the direct contact, in the field, of specialists who had a first hand knowledge of all involved regions. The formula of a NATO Advanced Study Institute, which gives a unique opportunity to meet and mix people of various origin and levels, came almost by itself. Much work was needed, much help has been obtained, as detailed in the "Acknowledgements".
Author : Nicholas Michael William Roberts
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (757 download)
Download or read book From Crystal to Crust written by Nicholas Michael William Roberts and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The geology of the Suldal Sector, southwest Norway, comprises exposures from three orogenic periods; the Telemarkian, Sveconorwegian and Caledonian. Telemarkian (~1500 Ma) basement rocks are interpreted to be the oldest crust in the region; these are intruded by Sveconorwegian granitoid intrusions (~1070-930 Ma). Crystalline nappe units overlie the Mesoproterozoic basement, and from reconnaissance U-Pb dating and zircon hafnium isotopes, are believed to comprise slices of the Mesoproterozoic Norwegian continental margin. The Telemarkian basement comprises meta-plutonic/volcanic lithologies that represent the deformed upper crustal section of a continental arc - the Suldal Arc; U-Pb dating suggests this arc was active from ~1520 to 1475 Ma. Whole-rock geochemistry and hafnium and oxygen isotopes measured in zircon, suggest that arc magmatism recycled older continental crust (20-50% contribution) that had been mixed with mantle-derived material in the lower crust; the older crustal component comprised late-Palaeoproterozoic sedimentary material derived from the Fennoscandian continent. During the arc?s evolution, dehydration of mafic source magma induced by heat from magmatic underplating, and subsequent melting of dehydrated crust enhanced by asthenospheric upwelling, allowed for the intrusion of iron-enriched tholeiitic magmas. The Suldal arc and by extension, the Telemarkia terrane, represent the last stages of continental crust formation within a retreating accretionary orogen that was active since ~1.8 Ga. Based on whole-rock geochemistry, U-Pb, hafnium and oxygen isotopes in zircon, Sveconorwegian granite suites formed between 1.07 and 0.92 Ga, and are largely derived from ~1.5 Ga mafic lower crust with a limited contribution of juvenile mantle-derived material. The geodynamic setting of granitic magmatism evolved from supra-subduction, to overthickened crust, to thinned crust with possible lithospheric delamination. The varying geochemistry of the granite suites (I- to A-type) is controlled not by geodynamic setting, but dominantly by water content in the magma source. Sveconorwegian deformation in the Suldal Sector is bracketed between ~1069 and ~1047 Ma by intrusions of the Storlivatnet plutonic complex.
Author : Y. Kristoffersen
Publisher :
ISBN 13 :
Total Pages : 194 pages
Book Rating : 4.F/5 ( download)
Download or read book Progress in Studies of the Lithosphere in Norway written by Y. Kristoffersen and published by . This book was released on 1988 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research papers concentrating on the mechanisms and products of two fundemental processes, rifting and continental collision, in the Phanerzoic (geologic period represented by rocks) evolution of the lithosphere in Norway.
Author : Geological Society of London
Publisher : Geological Society of London
ISBN 13 : 9781862390805
Total Pages : 424 pages
Book Rating : 4.3/5 (98 download)
Download or read book Continental Reactivation and Reworking written by Geological Society of London and published by Geological Society of London. This book was released on 2001 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a result of its bouyancy, continental crust is rarely subducted meaning that successive episodes of continental deformation imparts a complex geological character that is not found in younger oceanic lithosphere.
Author : Alok Krishna Gupta
Publisher : Springer Science & Business Media
ISBN 13 : 1441903461
Total Pages : 197 pages
Book Rating : 4.4/5 (419 download)
Download or read book Physics and Chemistry of the Earth's Interior written by Alok Krishna Gupta and published by Springer Science & Business Media. This book was released on 2011-10-06 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Indian National Science Academy was established in January 1935 with the objective of promoting science in India and harnessing scientific knowledge for the cause of humanity and national welfare. In 1968 it was designated as the adhering organisation in India to the International Council for Scientific Union (ICSU) on behalf of the Government of India. Over the years, the Academy has published a number of journals, volumes, biographical memoirs, etc. The year 2009–2010 will be specially celebrated to mark the Platinum Jubilee of the Academy. Many programmes are planned in different centres in India on this occasion. In addition, the Academy has decided to publish a number of special volumes on different s- jects ranging from earth sciences to life sciences. This volume is on Physics and Chemistry of the Earth’s Interior. One of the main objectives of geophysicists is to establish the internal structure of the earth as revealed by seismic tomography. It is also their primary goal to correlate geophy- cal data to reveal thermal and chemical state of the crust, mantle and core of the earth. In - der to interpret seismic velocities and associated density and elastic properties in terms of mineralogical and petrological models of the earth’s interior, thermodynamic and hi- pressure temperature data from mineral physics are essential. With the advent of different types of multi-anvil and laser-heated diamond anvil equipment, it is now possible to simulate conditions prevalent even in the lower mantle and core of the earth.
Author : S. Ferrero
Publisher : Geological Society of London
ISBN 13 : 1786204002
Total Pages : 481 pages
Book Rating : 4.7/5 (862 download)
Download or read book Metamorphic Geology written by S. Ferrero and published by Geological Society of London. This book was released on 2019-04-17 with total page 481 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Earth evolution, mountain belts are the loci of crustal growth, reworking and recycling. These crustal-scale processes are unravelled through microscale investigations of textures and mineral assemblages of metamorphic rocks. Multiple episodes of metamorphism, re-equilibration and deformation, however, generally produce a complex and tightly interwoven pattern of microstructures and assemblages. Over the last two decades, the combination of advanced computing and technological capabilities with new concepts has provided a vast array of novel petrological tools and high-resolution/high-sensitivity techniques for microanalysis and imaging. Such novel approaches are proving fundamental to untangling the enigma represented by metamorphism with an unprecedented level of detail and confidence. As a result, the first decade and a half of this century has already seen the tumultuous development of new research avenues in metamorphic petrology. This book aims to provide a timely overview of the state of the art of this field, of newly developed petrological techniques, future advancements and significant new case studies.
Author : M. Satish-Kumar
Publisher : Geological Society of London
ISBN 13 : 9781862392687
Total Pages : 472 pages
Book Rating : 4.3/5 (926 download)
Download or read book Geodynamic Evolution of East Antarctica written by M. Satish-Kumar and published by Geological Society of London. This book was released on 2008 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geological correlations of East Antarctica with adjoining continents have been puzzling geologists ever since the concept of a Gondwana supercontinent surfaced. Despite the paucity of outcrops because of ice cover, difficulty of access and extreme weather, the past 50 years of Japanese Antarctic Research Expeditions (JARE) has successfully revealed vital elements of the geology of East Antarctica. This volume presents reviews and new research from localities across East Antarctica, especially from Dronning Maud Land to Enderby Land, where the geological record preserves a history that spans the Archaean and Proterozoic. The reviews include extensive bibliographies of results obtained by geologists who participated in the JARE. Comprehensive geological, petrological and geochemical studies, form a platform for future research on the formation and dispersion of Rodinia in the Mesoproterozoic and subsequent assembly of Gondwana in the Neoproterozoic to Early Palaeozoic.
Author : Karsten Piepjohn
Publisher : Geological Society of America
ISBN 13 : 0813725410
Total Pages : pages
Book Rating : 4.8/5 (137 download)
Download or read book Circum-Arctic Structural Events written by Karsten Piepjohn and published by Geological Society of America. This book was released on 2019-05-23 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "To recognize the 25th anniversary of the Circum-Arctic Structural Events program, an effort organized by the Bundesanstalt für Geowissenschaften und Rohstoffe, this volume presents results from 18 major field expeditions involving 100+ geoscientists from a spectrum of disciplines. The volume focuses on the Proterozoic to Cenozoic tectonic evolution of the circum-Arctic region with correlations to adjacent orogens"--
Author : M. B. Stephens
Publisher : Geological Society of London
ISBN 13 : 1786204606
Total Pages : 623 pages
Book Rating : 4.7/5 (862 download)
Download or read book Sweden written by M. B. Stephens and published by Geological Society of London. This book was released on 2020-01-02 with total page 623 pages. Available in PDF, EPUB and Kindle. Book excerpt: The solid rock mass of Sweden forms a natural field laboratory revealing insight into the westward growth and reworking of one of the planet’s ancient continental nuclei. Three major geological units are exposed in different parts of the country: the western part of the Fennoscandian Shield, mainly sedimentary rocks deposited on this crystalline rock mass and the Caledonide orogen. This volume synthesizes the tectonic evolution of Sweden over more than 2500 million years from the Neoarchean to the Neogene. Following an introduction describing the lithotectonic framework of the country and the organization of the volume, the tectonic evolution is addressed essentially chronologically. Different phases of intracratonic rifting, accretionary orogeny, continent-continent collisional orogeny and platformal sedimentation are identified. Sweden is one of Europe’s major suppliers of metals, and the country’s mineral resources are also presented in the context of the lithotectonic framework. Sweden: Lithotectonic Framework, Tectonic Evolution and Mineral Resources has been designed to interest a professional geoscientific audience and advanced students of Earth Sciences.
Author : Geological Society of London
Publisher : Geological Society of London
ISBN 13 : 9781862390713
Total Pages : 644 pages
Book Rating : 4.3/5 (97 download)
Download or read book New Perspectives on the Old Red Sandstone written by Geological Society of London and published by Geological Society of London. This book was released on 2000 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nils-Axel Morner
Publisher : BoD – Books on Demand
ISBN 13 : 9535116436
Total Pages : 208 pages
Book Rating : 4.5/5 (351 download)
Download or read book Geochronology written by Nils-Axel Morner and published by BoD – Books on Demand. This book was released on 2014-07-25 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chronology is the backbone of history, and there is a wise saying stating there is no history without a chronology. Earths evolutionary history is built up by geochronology, i.e. time benchmarks upon which the geological history is built up step by step over its total time period of about 4.5 billion years. The first marker in this history is the Jack Hills zircon from Australia dated at about 4.4 GA. The most detailed records come from seasonal changes within annual varves. Stratigraphy provides the basic chronological ordering of layers by layers, units by units, fossil assemblage by assemblage, varves by varves, growth zone by growth zone, etc. The radiometric techniques implied the introduction of absolute age determinations. This book includes a combination of methodological presentations and related case studies, from where we learn about practical problems and achievements. Therefore, the book should be of basic interest both for scientists in their practical in field and laboratory, as well as for general educational purpose.
