Dating of a Last Glacial loess sequence by relative geomagnetic palaeointensity: A case study from the Middle Danube Basin (Sütto,Hungary)

Christian Rolf, Ulrich Hambach, Ágnes Novothny, E. Horváth, Elisabeth Schnepp

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

A thorough rock- and palaeomagnetic investigation of an almost 13-m-thick Upper Pleistocene loess-palaeosol sequence (LPSS) outcropping near the village of Sütto in northern Hungary was conducted to obtain rock magnetic and palaeomagnetic-based chronostratigraphies. The results of our rock magnetic investigations indicate that the classical "Chinese" model of magnetic enhancement, showing increasing concentration-dependent rock magnetic parameters in the course of pedogenesis, is also valid for the northern Carpathian Basin. We constructed a relative geomagnetic palaeointensity (RPI) record for the central part of the section by using the natural remanent magnetisation (NRM) after demagnetisation in alternating fields of 15mT and by employing anhysteretic remanent magnetisation (ARM), low-field susceptibility (Klf) and "saturation" remanent magnetisation ("S"IRM) as normalisers. The three obtained RPI data sets show almost identical trends and are therefore regarded as reliable recorders of the palaeointensity of the Earth's magnetic field. The obtained RPI record allows for indirect dating of the LPSS at Sütto by correlation with the GLOPIS and the PISO stack. The derived age model is in agreement with the OSL-based chronostratigraphy, but contradicts the chronology based on the correlation between the susceptibility record and marine isotope stratigraphy (MIS), which gives rise to the hypothesis of a possible decoupling of the palaeoclimate in the Carpathian Basin and the marine realm during early MIS 3.

Original languageEnglish
Pages (from-to)99-108
Number of pages10
JournalQuaternary International
Volume319
DOIs
Publication statusPublished - Jan 15 2014

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Last Glacial
loess
remanent magnetization
paleosol
basin
rock
stratigraphy
isotope
natural remanent magnetization
chronostratigraphy
pedogenesis
demagnetization
paleoclimate
chronology
village
Pleistocene
saturation
magnetic field
dating

ASJC Scopus subject areas

  • Earth-Surface Processes

Cite this

Dating of a Last Glacial loess sequence by relative geomagnetic palaeointensity : A case study from the Middle Danube Basin (Sütto,Hungary). / Rolf, Christian; Hambach, Ulrich; Novothny, Ágnes; Horváth, E.; Schnepp, Elisabeth.

In: Quaternary International, Vol. 319, 15.01.2014, p. 99-108.

Research output: Contribution to journalArticle

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