Sedimentology of a Late Quaternary lacustrine record from the south‐eastern Carpathian Basin
Hambach, Ulrich
Klasen, Nicole
Obreht, Igor
Papadopoulou, Maria
Schäbitz, Frank
Gavrilov, Milivoj B.
MarkoviĆ, Slobodan B.
Vött, Andreas
Zeeden, Christian; Hambach, Ulrich; Klasen, Nicole; Fischer, Peter; Schulte, Philipp; Nett, Janina J.; Veres, Daniel; Obreht, Igor; Chu, Wei; Papadopoulou, Maria; Viehberg, Finn; Schäbitz, Frank; Gavrilov, Milivoj B.; MarkoviĆ, Slobodan B.; Vött, Andreas; Lehmkuhl, Frank, 2021: Sedimentology of a Late Quaternary lacustrine record from the south‐eastern Carpathian Basin. In: Journal of Quaternary Science: n/a - n/a, DOI: 10.23689/fidgeo-4329.
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The Upper Pleistocene geoarchives in the south‐eastern Carpathian Basin are represented predominantly by loess–palaeosol records. In 2015, a 10 m sediment core composed of clay‐rich lacustrine sediments was recovered by vibracoring a dry lake basin located between the Vršac Mountains (Serbia) and the Banat Sands in the south‐eastern Carpathian Basin; a location relevant for placing regional archaeological results in a palaeoenvironmental context. Here, we present results from geoelectrical prospection and a lithostratigraphic interpretation of this sequence supported by a detailed granulometric study supplemented by ostracod analysis. An age model based on luminescence dating is discussed against sedimentological proxy data and its implication for palaeoenvironmental change. The cores show a stratigraphy of lighter ochre‐coloured and darker greyish sediment, related to the deposition of clay and silt trapped in an aquatic environment. Geophysical measurements show ~20 m thick lacustrine sediments. The grain‐size distributions including the variability in fine clay are indicative of a lacustrine environment. Fine particles were brought into the depositional environments by aquatic input and settled from suspension; also, direct dust input is constrained by grain‐size results. Riverine input and aeolian dust input interplayed at the locality.
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- Geologie [927]
Subjects:
Carpathian BasinLate Quaternary
lacustrine sediment
geoelectric analyses
luminescence dating
grain‐size analysis
environmental dynamics
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