MAR comparisons between different chronometric methods for two profilesin the Bodrogkeresztúr area

• Autorzy: Makó László , Molnár Dávid , Cseh Péter , Sümegi Pál

Identyfikatory

DOI

10.24425/sq.2020.133761

• Języki publikacji: EN

Abstrakty

EN

The deepening and exploration of the loess-palaeosol section at the foot of the Kopasz Hill at Bodrogkeresztúr have been carried out to expand the existing knowledge of the Carpathian foothill palaeoenvironmental factors and their impact. The study deals with particle size analysis, organic matter and carbonate content. For the presentation of age-depth models, the OSL dates of Bodrogkeresztúr (BKT) and the ¹⁴C dates of Bodrogkeresztúr, brickyard 1 were used-, and the diagrams of the Accumulation Rates (AR) derived from them. These were compared with Mass Accumulation Rate (MAR) calculations based on OSL and ¹⁴C data from BKT and ¹⁴C data from Bodrogkeresztúr, brickyard 1. It became evident that there is a significant difference between the two sections, which may be due to the upland position, the overlap, or the wind tunnel effect. Sedimentological studies revealed coarser grain composition, however, the nearly complete absence of coarser sand fraction is also noticeable in the case of BKT. Also, the entire section is characterized by increased carbonate content due to post-sedimentation processes, recarbonization and leaching. The AR and MAR results show the difference between the suitability of different chronometric methods, indicating that the top of both sections may have been redeposited or eroded.

Słowa kluczowe

EN

loess; sedimentology; MAR; age-depth models; Bodrogkeresztúr

• Wydawca: Institute of Geological Science Polish Academy of Science
• Czasopismo: Studia Quaternaria
• Rocznik: 2021
• Tom: Vol. 38, Nr 1
• Strony: 67--73
• Opis fizyczny: Bibliogr. 30 poz., rys., tab.

Twórcy

autor

Makó László

• Department of Geology and Paleontology, University of Szeged, H-6722 Szeged, Egyetem u. 2-6, Hungary
• University of Szeged, Interdisciplinary Excellence Centre, Institute of Geography and Earth Sciences, Long Environmental Changes research team, H-6722 Szeged, Egyetem u. 2-6, Hungary

autor

Molnár Dávid

• Department of Geology and Paleontology, University of Szeged, H-6722 Szeged, Egyetem u. 2-6, Hungary
• University of Szeged, Interdisciplinary Excellence Centre, Institute of Geography and Earth Sciences, Long Environmental Changes research team, H-6722 Szeged, Egyetem u. 2-6, Hungary

autor

Cseh Péter

• Department of Geology and Paleontology, University of Szeged, H-6722 Szeged, Egyetem u. 2-6, Hungary
• University of Szeged, Interdisciplinary Excellence Centre, Institute of Geography and Earth Sciences, Long Environmental Changes research team, H-6722 Szeged, Egyetem u. 2-6, Hungary

autor

Sümegi Pál

• Department of Geology and Paleontology, University of Szeged, H-6722 Szeged, Egyetem u. 2-6, Hungary
• University of Szeged, Interdisciplinary Excellence Centre, Institute of Geography and Earth Sciences, Long Environmental Changes research team, H-6722 Szeged, Egyetem u. 2-6, Hungary

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).