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  • 1
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    A post-IR IRSL chronology and dust mass accumulation rates of the Nosak loess-palaeosol sequence in northeastern Serbia (2021)
    Details
    Publication Date: 2021-10-01
    Description: In the Middle Danube Basin, Quaternary deposits are widely distributed in the Vojvodina region where they cover about 95% of the area. Major research during the last two decades has been focused on loess deposits in the Vojvodina region. During this period, loess in the Vojvodina region has become one of the most important Pleistocene European continental climatic and environmental records. Here we present the dating results of 15 samples taken from the Nosak loess-palaeosol sequence in northeastern Serbia in order to establish a chronology over the last three glacial–interglacial cycles. We use the pIRIR290 signal of the 4–11 μm polymineral grains. The calculated ages are within the error limits partially consistent with the proposed multi-millennial chronostratigraphy for Serbian loess. The average mass accumulation rate for the last three glacial–interglacial cycles is 265 g m−2 a−1, which is in agreement with the values of most sites in the Carpathian Basin. Our results indicate a highly variable deposition rate of loess, especially during the MIS 3 and MIS 6 stages, which is contrary to most studies conducted in Serbia where linear sedimentation rates were assumed.
    Keywords: 554.3 ; Middle Danube Basin ; Quaternary ; loess-palaeosol sequence ; dating results
    Language: English
    Type: map
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    CITATION GEO-LEO
  • 2
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    Decoding geochemical signals of the Schwalbenberg Loess-Palaeosol-Sequences –Bulk Geochemical and Granulometric data (2022)
    PANGAEA
    Details
    Publication Date: 2023-07-04
    Description: In this study, we present a granulometric- and geochemical dataset for the Schwalbenberg Loess-Palaeosol-Sequence (LPS) in the Middle Rhine Valley (Germany) that covers the Upper Pleistocene in a resolution so far unprecedented for continental records in western Central Europe. Complexities in formation of loess deposits cause interfering geochemical signatures (e.g., provenance- vs. weathering- signals) limiting a straight-forward interpretation. In this context we used multivariate statistics that integrate information on grainsize (Laser Diffraction Particle Sizer) and geochemistry (XRF, ICP-OES) indicative for provenance shifts, mineral sorting during transport and reworking and weathering into Principal Component Analyses and Linear Discriminant Analyses. Our approach provides a key for tracing ecological changes throughout climate oscillations across continents.
    Keywords: Aluminium; Aluminium, dithionite extractable; Calcium; CDRILL; Climate changes; Core drilling; DEPTH, sediment/rock; Dust composition; Geochemistry; Loess; Magnesium; Multivariate statistical analysis; Potassium; Rubidium; Schwalbenberg; Silicon; Size fraction 〈 0.002 mm, clay; Size fraction 〈 0.026 mm; Size fraction 〈 0.063 mm, mud, silt+clay; Size fraction 0.0526-0.0260 mm; Sodium; Stratigraphic Unit; Strontium; Subordinate Stratigraphic Unit; Upper Pleistocene; Vanadium; Weathering; Zirconium
    Type: Dataset
    Format: text/tab-separated-values, 7857 data points
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    DATA PANGAEA
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