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Magnetic methods and the timing of geological processes

By
L. Jovane
L. Jovane
Instituto Oceanográfico da Universidade de São Paulo, Fisica, Geoquimica e Geologia, Praça do Oceanográfico 191, São Paulo, São Paulo 05508-120, Brazil
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L. Hinnov
L. Hinnov
John Hopkins University, Earth and Planetary Sciences, 3400 N. Charles Street, Baltimore, Maryland 21218, USA
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B. A. Housen
B. A. Housen
Department of Geology, Western Washington University, 516 High St., Bellingham, Washington 98225, USA
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E. Herrero-Barvera
E. Herrero-Barvera
University of Hawaii at Manoa, Hawaii Institute of Geophysics and Planetology, Honolulu, Hawaii 96822, USA
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Published:
January 01, 2013

Abstract

Magnetostratigraphy is best known as a technique that employs correlation among different stratigraphic sections using the magnetic directions that define geomagnetic polarity reversals as marker-horizons. The ages of the polarity reversals provide common tie points among the sections, allowing accurate time correlation. Recently, magnetostratigraphy has acquired a broader meaning, now referring to many types of magnetic measurements within a stratigraphic sequence. Many of these measurements provide correlation and age control not only for the older and younger boundaries of a polarity interval, but also within intervals. Thus, magnetostratigraphy no longer represents a dating tool based only on the geomagnetic polarity reversals, but comprises a set of techniques that includes measurements of all geomagnetic field parameters, environmental magnetism, rock magnetic and palaeoclimatic change recorded in sedimentary rocks, and key corrections to magnetic directions related to geodynamics, tectonics and diagenetic processes.

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Geological Society, London, Special Publications

Magnetic Methods and the Timing of Geological Processes

L. Jovane
L. Jovane
Universidade de Saão Paulo, Brazil
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E. Herrero-Bervera
E. Herrero-Bervera
University of Hawaii at Manoa, USA
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L.A. Hinnov
L.A. Hinnov
Johns Hopkins University, USA
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B. Housen
B. Housen
Western Washington University, USA
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Geological Society of London
Volume
373
ISBN electronic:
9781862396364
Publication date:
January 01, 2013

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