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By measuring the direction and intensity of magnetism in rocks of different ages, a record of the Earth's magnetic field in the past can be obtained. This 1994 book deals with the particular case of reversals of the Earth's magnetic field. These have played a major role in the development of plate tectonics and in establishing a geological time scale. The magnetism of rocks is discussed in some detail with a warning of possible misinterpretations of the record. Observational results and theories are reviewed with special attention to the structure and geometry of the transition field. Changing conditions at the core-mantle boundary, their effect on reversals, the generation of plumes and the possible correlation of reversals with tectonic changes, ice ages or mass extinctions are thoroughly discussed, including suggested periodicities in the reversal record and in other geophysical data.

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Book Details

ISBN: 9780521675567
ISBN-10: 0521675561
Format: Paperback
(228mm x 152mm x 19mm)
Pages: 360
Imprint: Cambridge University Press
Publisher: Cambridge University Press
Publish Date: 14-Jul-2005
Country of Publication: United Kingdom

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Books By Author J. A. Jacobs

Reversals of the Earth's Magnetic Field by J. A. Jacobs

Reversals of the Earth's Magnetic Field

Hardback, November 1994
$193.50