Palaeomagnetism And The Continental Crust

Author : J. D. A. Piper
Publisher : Unknown
Page : 456 pages
File Size : 49,8 Mb
Release : 1987-07-21
Category : Science
ISBN : CORNELL:31924005044494

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Palaeomagnetism and the Continental Crust by J. D. A. Piper Pdf

A comprehensive introduction to palaeomagnetism offering a comprehensive treatment of theory and practice. Written in a clear and concise style that will be understandable to undergraduate students and researchers alike, it analyzes the palaeomagnetic record over the whole of geological time, from the Archaean to the Cenozoic, and goes on to examine the impact of past geometries and movements of the continental crust at each geological stage. Topics covered include theory of rock and mineral magnetism, field and laboratory methods, growth and consolidation of the continental crust in Archaean and Proterozoic times, Palaeozoic palaeomagnetism and the formation of Pangaea, the geomagnetic fields, continental movements, and configurations and mantle convection since Archaean times, and more.

Author : J. D. Piper,Piper J D a
Publisher : John Wiley & Sons
Page : 448 pages
File Size : 46,8 Mb
Release : 1991-08-01
Category : Electronic
ISBN : 047193254X

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Palaeomagnetism and the Continental Crust by J. D. Piper,Piper J D a Pdf

Author : Catherine Kissel,Carlo Laj
Publisher : Springer
Page : 530 pages
File Size : 41,7 Mb
Release : 2011-09-26
Category : Science
ISBN : 940106878X

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Paleomagnetic Rotations and Continental Deformation by Catherine Kissel,Carlo Laj Pdf

One of the most interesting results obtained in the last two decades in the study of crustal deformation has been the recognition that large regions of continental crust undergo rotations about vertical axis during deformation. Proof of such rotations has come through the paleomagnetic studies, which reveal rotations when paleomagnetic declinations within the deforming region arc compared with those found in coeval rocks in the stable regions outside the deforming zone. Such rotations were first described in Oregon then in the North American Cordilleras and in Southern California and were a surprise to everyone. Even in California which, as a result of oil exploration, was among the best geologically explored regions in the world, no one could claim to have predicted that these rotations would be found. Rotations have subsequently been found in other areas of recent continental tectonic activity, notably in the Basin and Range province, New Zealand, the Andes, Greece and Western Turkey, so that they appear as an important feature of continental deformation.

Author : Michael W. McElhinny,Phillip L. McFadden
Publisher : Elsevier
Page : 407 pages
File Size : 53,7 Mb
Release : 1999-10-18
Category : Science
ISBN : 9780080513461

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Paleomagnetism by Michael W. McElhinny,Phillip L. McFadden Pdf

Paleomagnetism is the study of the fossil magnetism in rocks. It has been paramount in determining that the continents have drifted over the surface of the Earth throughout geological time. The fossil magnetism preserved in the ocean floor has demonstrated how continental drift takes place through the process of sea-floor spreading. The methods and techniques used in paleomagnetic studies of continental rocks and of the ocean floor are described and then applied to determining horizontal movements of the Earth's crust over geological time. An up-to-date review of global paleomagnetic data enables 1000 million years of Earth history to be summarized in terms of the drift of the major crustal blocks over the surface of the Earth. The first edition of McElhinny's book was heralded as a "classic and definitive text." It thoroughly discussed the theory of geomagnetism, the geologic reversals of the Earth's magnetic field, and the shifting of magnetic poles. In the 25 years since the highly successful first edition of Palaeomagnetism and Plate Tectonics (Cambridge, 1973) the many advances in the concepts, methodology, and insights into paleomagnetism warrant this new treatment. This completely updated and revised edition of Paleomagnetism: Continents and Oceans will be a welcome resource for a broad audience of earth scientists as well as laypeople curious about magnetism, paleogeography, geology, and plate tectonics. Because the book is intended for a wide audience of geologists, geophysicists, and oceanographers, it balances the mathematical and descriptive aspects of each topic. Details the theory and methodology of rock magnetism, with particular emphasis on intrepreting crustal movements from continental and oceanic measurements Outlines Earth history for the past 1000 million years, from the Rodinia super-continent through its breakup and the formation of Gondwana to the formation and breakup of Pangea and the amalgamation of Eurasia Provides a comprehensive treatment of oceanic paleomagnetism Provides a set of color pateogeographic maps covering the past 250 million years Written by two internationally recognized experts in the field

Author : M. W. McElhinny
Publisher : Unknown
Page : 378 pages
File Size : 41,8 Mb
Release : 1973-02
Category : Science
ISBN : UCSD:31822013289715

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Palaeomagnetism and Plate Tectonics by M. W. McElhinny Pdf

Author : Masaru Yoshida,Brian F. Windley,Somnath Dasgupta
Publisher : Geological Society of London
Page : 486 pages
File Size : 54,9 Mb
Release : 2003
Category : Science
ISBN : 1862391254

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Proterozoic East Gondwana by Masaru Yoshida,Brian F. Windley,Somnath Dasgupta Pdf

This volume focuses on Late Mesoproterozoic to early Cambrian events related to Gondwana assembly and break up. The nineteen papers provide a comprehensive review including advanced knowledge and new data from all critical areas of East Gondwana. The recent knowledge of the evolution of East Gondwana, which was regarded as an integral part of the Mesoproterozoic supercontinent Rodinia, is the major theme of the volume, which is reinforced by highlighting this radical and new understanding of the evolution of this region.

Author : S.W. Carey
Publisher : Elsevier
Page : 499 pages
File Size : 53,5 Mb
Release : 2013-10-22
Category : Science
ISBN : 9781483289557

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The Expanding Earth by S.W. Carey Pdf

Developments in Geotectonics, 10: The Expanding Earth focuses on the principles, methodologies, transformations, and approaches involved in the expanding earth concept. The book first elaborates on the development of the expanding earth concept, necessity for expansion, and the subduction myth. Discussions focus on higher velocity under Benioff zone, seismic attenuation, blue schists and paired metamorphic belts, dispersion of polygons, arctic paradox, and kinematic contrast. The manuscript then ponders on the scale of tectonic phenomena, non-uniformitarianism, tectonic profiles, and paleomagnetism. Concerns cover global paleomagnetism, general summary of the tectonic profile, implosions, fluid pressures, pure shear, crustal extension, simple shear with horizontal axis, geological examples of scale fields, and length-time fields of deformation. The publication explores the cause of expansion, modes of crustal extension, and rotation and asymmetry of the earth, including dynamic asymmetry, precessions, nutations, librations, and wobbles at fixed obliquity, variation of rate of rotation, and categories of submarine ridges. The text is a dependable source of data for researchers wanting to study the concept of expanding earth.

Author : M. W. McElhinny
Publisher : CUP Archive
Page : 410 pages
File Size : 43,9 Mb
Release : 1979-10-18
Category : Science
ISBN : 0521297532

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Palaeomagnetism and Plate Tectonics by M. W. McElhinny Pdf

Author : Catherine Kissel,Carlo Laj
Publisher : Springer Science & Business Media
Page : 516 pages
File Size : 49,9 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400908697

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Paleomagnetic Rotations and Continental Deformation by Catherine Kissel,Carlo Laj Pdf

One of the most interesting results obtained in the last two decades in the study of crustal deformation has been the recognition that large regions of continental crust undergo rotations about vertical axis during deformation. Proof of such rotations has come through the paleomagnetic studies, which reveal rotations when paleomagnetic declinations within the deforming region arc compared with those found in coeval rocks in the stable regions outside the deforming zone. Such rotations were first described in Oregon then in the North American Cordilleras and in Southern California and were a surprise to everyone. Even in California which, as a result of oil exploration, was among the best geologically explored regions in the world, no one could claim to have predicted that these rotations would be found. Rotations have subsequently been found in other areas of recent continental tectonic activity, notably in the Basin and Range province, New Zealand, the Andes, Greece and Western Turkey, so that they appear as an important feature of continental deformation.

Author : Antony Morris,Donald Harvey Tarling
Publisher : Geological Society of London
Page : 438 pages
File Size : 55,6 Mb
Release : 1996
Category : Science
ISBN : 1897799551

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Palaeomagnetism and Tectonics of the Mediterranean Region by Antony Morris,Donald Harvey Tarling Pdf

The Mediterranean region represents a complex mosaic of continental, microcontinental and ophiolitic terranes, whose overall evolution has been controlled by relative movements between the African and Eurasian plates. Palaeomagnetic studies have played an important part in deciphering the sequence of tectonic events in this region. The 33 papers presented here span the full width of the Mediterranean basin and present results from Permian to Quaternary rocks.

Author : Steven Earle
Publisher : Unknown
Page : 628 pages
File Size : 42,6 Mb
Release : 2016-08-12
Category : Electronic
ISBN : 1537068822

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Physical Geology by Steven Earle Pdf

This is a discount Black and white version. Some images may be unclear, please see BCCampus website for the digital version.This book was born out of a 2014 meeting of earth science educators representing most of the universities and colleges in British Columbia, and nurtured by a widely shared frustration that many students are not thriving in courses because textbooks have become too expensive for them to buy. But the real inspiration comes from a fascination for the spectacular geology of western Canada and the many decades that the author spent exploring this region along with colleagues, students, family, and friends. My goal has been to provide an accessible and comprehensive guide to the important topics of geology, richly illustrated with examples from western Canada. Although this text is intended to complement a typical first-year course in physical geology, its contents could be applied to numerous other related courses.

Author : Donald H. Tarling
Publisher : Springer Science & Business Media
Page : 388 pages
File Size : 46,7 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400959552

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Palaeomagnetism by Donald H. Tarling Pdf

Palaeomagnetism and archaeomagnetism are fascinating specialized studies because they are applicable to such a wide range of problems in geology, archaeology and geophysics. They can also be undertaken cheaply, when compared with most other geophysical techniques, and, at first sight, simply. In fact, real comprehension of the magnetic processes that have occurred in rocks and other types of material over several thousands or many millions of years is still extremely difficult to assess and measure. On this basis, this book cannot explain all such features, nor can it attempt to cover all the actual and potential applications of the method. All that can be attempted is to give an impression of the ways in which such techniques can be used in a wide variety of fields, and how these techniques are usually applied. The magnetization of rocks is, in fact, one of the earliest of the true sciences, but we are still not in a position to answer many of the problems posed. Consequently some of the examples given of applications are, essentially, state-of-the-art comments, rather than being a review as such. The changing position of the geomagnetic poles with time is still not adequately defined, for example, and some of the more recent conventional views are given, although the emphasis is placed on more subjective, probably more controversial, evaluations.

Author : E.L. Pueyo,F. Cifelli,A.J. Sussman ,B. Oliva-Urcia
Publisher : Geological Society of London
Page : 289 pages
File Size : 41,9 Mb
Release : 2016-08-23
Category : Science
ISBN : 9781862397378

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Palaeomagnetism in Fold and Thrust Belts: New Perspectives by E.L. Pueyo,F. Cifelli,A.J. Sussman ,B. Oliva-Urcia Pdf

Palaeomagnetism is a technique used to understand complex deformation patterns in fold-and-thrust belts; it can be used to characterize the distribution, magnitude and timing of vertical axis rotations, an elusive variable using other methods. A combination of palaeomagnetic and structural geology analyses has helped to unravel the geometry and kinematics of fold-and-thrust belts around the world and of different geological ages for more than 50 years. This volume comprises three sections: the first shows thorough overviews of western Mediterranean arcs and the western Carpathians; the second depicts several examples from the Andes, the Alps, Anatolia, Pyrenees, Iberian Ranges and the Atlas; and the third shows the latest research on the use of palaeomagnetism to understand fold-and-thrust belts in 3D and 4D in a more quantitative way and it also includes some methodological proposals to avoid common errors. In the papers of the first two sections, the combination of palaeomagnetic analyses with structural data, AMS or magnetostratigraphic analyses demonstrate the usefulness of palaeomagnetism in deciphering complex deformation patterns in fold-and-thrust belts.

Author : Steven Michael Reddy
Publisher : Geological Society of London
Page : 376 pages
File Size : 51,7 Mb
Release : 2009
Category : Science
ISBN : 1862392838

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Palaeoproterozoic Supercontinents and Global Evolution by Steven Michael Reddy Pdf

The Palaeoproterozoic era (2500-1600 Ma) is a critical period of Earth history, with dynamic evolution from the deep planetary interior to its surface environment. Several lines of geological evidence suggest the existence of at least one pre-Rodinia supercontinent, named Nuna or Columbia, which formed near the end of Palaeoproterozoic time. Prior to this assembly, there may have been an older supercontinent (Kenorland) or perhaps only independently drifting supercratons. The tectonic records of amalgamation and dispersal of these ancient landmasses provide a framework that links processes of the deep Earth with those of its fluid envelope. The sixteen papers in this volume present reviews and new analytical data that span the geological record of Palaeoproterozoic Earth. The volume is useful as a reference book for students and professional geoscientists interested in this important period of global evolution.

Author : P. Brosche,Jürgen Sündermann
Publisher : Springer Science & Business Media
Page : 458 pages
File Size : 42,8 Mb
Release : 2012-12-06
Category : Science
ISBN : 9783642688362

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Tidal Friction and the Earth’s Rotation II by P. Brosche,Jürgen Sündermann Pdf

In the four years which elapsed between our first workshop on .Tidal Friction and the Earth's Rotation and the second, the proceedings of which are presented here, many of the disciplines involved made ad vances which we felt should be exchanged. We were encouraged by the good reception our first report met with. Of course, more insight often means more problems. Therefore, this volume contains new results and revisions of matters which previously appeared settled. We are certainly far from "final answers". For this reason, differing opinions on some issues are to be found in this book. Moreover, we have refrained from making mathematical symbols uniform to avoid the risk of errors and non-compatibility with the earlier work of an author. The two workshops have stimulated collaboration between participants working in various fields. The final versions of the contributions have already profited from these discussions. We are convinced that they will also influence further investigations. This advancement of our past and future aims is based on the very existence of the Centre for Interdisciplinary Studies and on the support we have received from its leading members. The authors have agreed to dedicate this book to Dr. H. Gerstenkorn, who died in 1981. He contributed fundamental ideas to the scientific fields treated in the meeting. P. Brosche Daun, September 1982 J. Slindermann Contents * Julius Robert Mayer's Ideas on a Theory of Tidal Friction H.P. Miinzenmayer ...•••.•••..••.•..•...••..•...•.•••.••••....•..