Palaeomagnetism
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Palaeomagnetism And Plate Tectonics
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Author : M. W. McElhinny
language : en
Publisher: CUP Archive
Release Date : 1979-10-18
Palaeomagnetism And Plate Tectonics written by M. W. McElhinny and has been published by CUP Archive this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979-10-18 with Science categories.
Methods In Palaeomagnetism
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Author : D.W. Collinson
language : en
Publisher: Elsevier
Release Date : 2013-10-22
Methods In Palaeomagnetism written by D.W. Collinson and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Science categories.
Methods in Paleomagnetism covers the proceedings of the NATO Advanced Study Institute on Paleomagnetic Methods, held in the Physics Department of the University of Newcastle upon Tyne on April 1-10, 1964. The book focuses on apparatus and techniques used in paleomagnetism and rock magnetism. The selection first offers information on sampling techniques in the field and measurement of natural remanent magnetization. Discussions focus on ballistic and spinner magnetometers; paleomagnetic sampling with a portable coring drill; portable apparatus for collecting small oriented cores; and portable field-sampling equipment. The book also takes a look at procedures to test the stability of magnetization, as well as physical properties of demagnetization; thermal demagnetization by the continuous method; and apparatus for thermal demagnetization by the progressive method. The text ponders on measurement of isotropic and anisotropic susceptibility and magnetic measurements in applied fields. Topics include preliminary account of a refined technique for magnetic susceptibility anisotropy measurement of rocks; errors in anisotropy measurements with the torsion balance; and measurement of the anisotropy of the susceptibility with an astatic magnetometer. The selection is a valuable reference for readers interested in paleomagnetism.
Palaeomagnetism
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Author : Donald H. Tarling
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Palaeomagnetism written by Donald H. Tarling and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
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.
Geomagnetism And Palaeomagnetism
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Author : F.J. Lowes
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Geomagnetism And Palaeomagnetism written by F.J. Lowes and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
This volume presents lectures given at the NATO Advanced Study Institute held 11-22 April 1988 at Newcastle upon Tyne, England. The aim of the Institute was to improve the interaction between workers in observational geomagnetism (using historical data) and archaeo- and palaeo-magnetism (using the remanent magnetization of man-made artefacts and of natural sediments and rocks) and those trying to interpret the data in terms of mechanisms inside or outside the Earth, particularly those developing dynamo theories of the field. The material discussed ranged from magnetic bacteria swimming round a circle in a few seconds, the effect of El Nino, through secular variation with time scales of tens to thousands of years and the'mechanics of individual field reversals and excursions (aborted reversals?) to possible modulation of average reversal frequency on the hundred million year time scale. Many members of the Physics Department helped with the organization, and we are most grateful to them, and in particular to Anne Codling for her very many contributions. We also gratefully acknowledge the painstaking work of Aileen Dryburgh and Lynn Whiteford in so carefully typing the manuscript.
Principles And Applications Of Palaeomagnetism
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Author : Donald Harvey Tarling
language : en
Publisher: Chapman & Hall
Release Date : 1971
Principles And Applications Of Palaeomagnetism written by Donald Harvey Tarling and has been published by Chapman & Hall this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Paleomagnetism categories.
Palaeomagnetism
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Author : Donald H Tarling
language : en
Publisher:
Release Date : 1983-10-20
Palaeomagnetism written by Donald H Tarling and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983-10-20 with categories.
Methods In Rock Magnetism And Palaeomagnetism
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Author : D. Collinson
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Methods In Rock Magnetism And Palaeomagnetism written by D. Collinson and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Science categories.
During the last 30 years the study of the magnetic properties of rocks and minerals has substantially contributed to several fields of science. Perhaps the best known and most significant advances have resulted from the study of palaeomagnetism, which led to quantitative confirmation of continental drift and polar wandering through interpretation of the direction of remanent magnetism observed in rocks of different ages from different continents. Palaeomagnetism has also, through observations of reversals of magnetiz ation, ancient secular variation and ancient field intensities provided data relevant to the origin of the geomagnetic field, and other investigations have contributed significantly to large-scale and local geological studies, the dating of archaeological events and artefacts and more recently to lunar and meteoritic studies. Rock and mineral magnetism has proved to be an interesting study in its own right through the complex magnetic properties and interactions observed in the iron-titanium oxide and iron sulphide minerals, as well as contributing to our understanding of remanent magnetism and magnetization processes in rocks. Simultaneous with the development of these studies has been the develop ment of instruments and techniques for the wide range of investigations involved.
Paleomagnetism
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Author : Michael W. McElhinny
language : en
Publisher: Elsevier
Release Date : 1999-10-18
Paleomagnetism written by Michael W. McElhinny and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-10-18 with Science categories.
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
Methods In Palaeomagnetism
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Author : David Wright Collinson
language : en
Publisher:
Release Date : 1967
Methods In Palaeomagnetism written by David Wright Collinson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Magnetometers categories.
Palaeomagnetism And The Continental Crust
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Author : J. D. A. Piper
language : en
Publisher:
Release Date : 1987-07-21
Palaeomagnetism And The Continental Crust written by J. D. A. Piper and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987-07-21 with Science categories.
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.