Central European Geology
Volume/Issue:
Volume 54: Issue 1-2
Sedimentary changes vs. climate signals in bivalve shell and bulk rock compositions in a Late Pleistocene to Early Holocene fluvial section at Körösladány, SE-Hungary
Authors: Attila Demény 1 , 3 , Gabriella Schöll-Barna 1 , Pál Sümegi 2 , Péter Sipos 1 , and Brigitta Réka Balázs 1
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  • 1 Institute for Geochemical Research, Hungarian Academy of Sciences, Budapest, Hungary
  • 2 Department of Geology and Paleontology, University of Szeged, Szeged, Hungary
  • 3 H-1112, Budapest, Budaörsi út 45, Hungary
DOI:
https://doi.org/10.1556/ceugeol.54.2011.1-2.15
Page Count:
167–171
Publication Date:
01 Mar 2011
Online Publication Date:
01 Mar 2011
Article Category:
Research Article
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Abstract

In this paper we present sedimentological and geochemical data for a section of fluvial deposits from SE Hungary covering the period of 25 to 5 ky BP. Major and trace element geochemistry of bulk sediments as well as stable C and O isotope compositions of the carbonate content indicate significant changes in depositional facies and/or sediment provenance. Correlations of mineralogical and geochemical compositions were used to determine the stable isotope compositions of authigenic calcite component. Additionally, C and O isotope compositions of Unio crassus shell fragments were analysed that show a good agreement with climate change. Major climate change events within the studied time period were detected both in the shells and the authigenic calcite's compositions.

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Central European Geology
Print ISSN:
1788-2281
Online ISSN:
1789-3348
Keywords:
Pleistocene-Holocene transition; stable isotopes; geochemistry; fluvial sediments; Unio crassus

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