Umfang:
1 Online-Ressource (viii, 346 pages)
,
digital, PDF file(s)
Ausgabe:
Second edition
ISBN:
9780511524929
Inhalt:
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
Inhalt:
The earth's magnetic field -- The magnetization of rocks -- The morphology of geomagnetic reversals -- Geomagnetic excursions -- Models of reversals -- Transition fields -- Magnetostratigraphy -- The earth's magnetic field and other geophysical phenomena
Anmerkung:
Title from publisher's bibliographic system (viewed on 05 Oct 2015)
Weitere Ausg.:
ISBN 9780521450720
Weitere Ausg.:
ISBN 9780521675567
Weitere Ausg.:
Erscheint auch als Druck-Ausgabe ISBN 9780521450720
Sprache:
Englisch
DOI:
10.1017/CBO9780511524929
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