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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
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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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