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Empirical scaling law as a tool for absolute paleointensity determination

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Empirical scaling law as a tool for absolute paleointensity determination. / Kletetschka, G.; Kameníková, T.

In: American Geophysical Union, Fall Meeting 2015, Vol. 23, GP23A-1287, 01.12.2015.

Research output: Contribution to journalMeeting abstractpeer-review

Harvard

Kletetschka, G & Kameníková, T 2015, 'Empirical scaling law as a tool for absolute paleointensity determination', American Geophysical Union, Fall Meeting 2015, vol. 23, GP23A-1287. <http://adsabs.harvard.edu/abs/2015AGUFMGP23A1287K>

APA

Kletetschka, G., & Kameníková, T. (2015). Empirical scaling law as a tool for absolute paleointensity determination. American Geophysical Union, Fall Meeting 2015, 23, [GP23A-1287]. http://adsabs.harvard.edu/abs/2015AGUFMGP23A1287K

Vancouver

Kletetschka G, Kameníková T. Empirical scaling law as a tool for absolute paleointensity determination. American Geophysical Union, Fall Meeting 2015. 2015 Dec 1;23. GP23A-1287.

Author

Kletetschka, G. ; Kameníková, T. / Empirical scaling law as a tool for absolute paleointensity determination. In: American Geophysical Union, Fall Meeting 2015. 2015 ; Vol. 23.

Bibtex

@article{863c2c360f994ea686a21118c8c07a37,
title = "Empirical scaling law as a tool for absolute paleointensity determination",
abstract = "Empirical scaling law (EPSL, 226, 521-528, 2004) revealed a fundamental linear magnetic relation capable of revealing the magnetizing field during either thermal and/or chemical magnetic remanence acquisition measured at room temperature. Power law relationship with exponent tied to demagnetizing field that is both magnetic minerals and/or shape dependent. Paleointensity vector estimate is done with using the measurement of efficiency of ratios between natural remanent and saturated remanent magnetizations at demagnetized (by alternating magnetic fields) to monotonously increasing levels up to 100 mT. Combining empirical law with the spectrum of alternating-field sample demagnetization allows not only unique view into the history of magnetic fields that were present during the history of the sample but also ability to group the magnetic carriers within sample according to their magnetic resistance towards AF demagnetization. We show how paleomagnetic field can be detected by using this method in Murchison meteorite samples, samples affected by magnetic field from lightning, discharge and geomagnetic field recorded in glass samples of various origins.",
keywords = "1503 Archeomagnetism, GEOMAGNETISM AND PALEOMAGNETISM, 1521 Paleointensity, 1522 Paleomagnetic secular variation",
author = "G. Kletetschka and T. Kamen{\'i}kov{\'a}",
year = "2015",
month = dec,
day = "1",
language = "English",
volume = "23",
journal = "American Geophysical Union, Fall Meeting 2015",

}

RIS

TY - JOUR

T1 - Empirical scaling law as a tool for absolute paleointensity determination

AU - Kletetschka, G.

AU - Kameníková, T.

PY - 2015/12/1

Y1 - 2015/12/1

N2 - Empirical scaling law (EPSL, 226, 521-528, 2004) revealed a fundamental linear magnetic relation capable of revealing the magnetizing field during either thermal and/or chemical magnetic remanence acquisition measured at room temperature. Power law relationship with exponent tied to demagnetizing field that is both magnetic minerals and/or shape dependent. Paleointensity vector estimate is done with using the measurement of efficiency of ratios between natural remanent and saturated remanent magnetizations at demagnetized (by alternating magnetic fields) to monotonously increasing levels up to 100 mT. Combining empirical law with the spectrum of alternating-field sample demagnetization allows not only unique view into the history of magnetic fields that were present during the history of the sample but also ability to group the magnetic carriers within sample according to their magnetic resistance towards AF demagnetization. We show how paleomagnetic field can be detected by using this method in Murchison meteorite samples, samples affected by magnetic field from lightning, discharge and geomagnetic field recorded in glass samples of various origins.

AB - Empirical scaling law (EPSL, 226, 521-528, 2004) revealed a fundamental linear magnetic relation capable of revealing the magnetizing field during either thermal and/or chemical magnetic remanence acquisition measured at room temperature. Power law relationship with exponent tied to demagnetizing field that is both magnetic minerals and/or shape dependent. Paleointensity vector estimate is done with using the measurement of efficiency of ratios between natural remanent and saturated remanent magnetizations at demagnetized (by alternating magnetic fields) to monotonously increasing levels up to 100 mT. Combining empirical law with the spectrum of alternating-field sample demagnetization allows not only unique view into the history of magnetic fields that were present during the history of the sample but also ability to group the magnetic carriers within sample according to their magnetic resistance towards AF demagnetization. We show how paleomagnetic field can be detected by using this method in Murchison meteorite samples, samples affected by magnetic field from lightning, discharge and geomagnetic field recorded in glass samples of various origins.

KW - 1503 Archeomagnetism

KW - GEOMAGNETISM AND PALEOMAGNETISM

KW - 1521 Paleointensity

KW - 1522 Paleomagnetic secular variation

M3 - Meeting abstract

VL - 23

JO - American Geophysical Union, Fall Meeting 2015

JF - American Geophysical Union, Fall Meeting 2015

M1 - GP23A-1287

ER -