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Chronostratigraphy of Late Glacial aeolian activity in SW Poland – A case study from the Niemodlin Plateau

Piotr Moska
Piotr Moska
, 
Zdzisław Jary
Zdzisław Jary
, 
Robert Jan Sokołowski
Robert Jan Sokołowski
, 
Grzegorz Poręba
Grzegorz Poręba
, 
Jerzy Raczyk
Jerzy Raczyk
, 
Marcin Krawczyk
Marcin Krawczyk
, 
Jacek Skurzyński
Jacek Skurzyński
, 
Paweł Zieliński
Paweł Zieliński
, 
Adam Michczyński
Adam Michczyński
, 
Konrad Tudyka
Konrad Tudyka
, 
Grzegorz Adamiec
Grzegorz Adamiec
, 
Natalia Piotrowska
Natalia Piotrowska
, 
Fatima Pawełczyk
Fatima Pawełczyk
, 
Michał Łopuch
Michał Łopuch
, 
Agnieszka Szymak
Agnieszka Szymak
 et 
Kamila Ryzner
Kamila Ryzner
   | 31 déc. 2020
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Article Category: CONFERENCE PROCEEDINGS OF THE 13TH INTERNATIONAL CONFERENCE “METHODS OF ABSOLUTE CHRONOLOGY” JUNE 5-7TH, 2019, TARNOWSKIE GORY, POLAND
Publié en ligne: 31 déc. 2020
Pages: 124 - 137
Reçu: 29 nov. 2019
Accepté: 29 mai 2020
DOI: https://doi.org/10.2478/geochr-2020-0015
Mots clés
© 2020 D. P. Moska. published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig 1

Microregions of the Niemodlin Plain and location of investigated sites, Siedliska and Przechód, with digital elevation model (DEM).
Microregions of the Niemodlin Plain and location of investigated sites, Siedliska and Przechód, with digital elevation model (DEM).

Fig 2

Sedimentary succession, radiocarbon and OSL ages of deposits at Siedliska (A) and Przechód (B) sites.
Sedimentary succession, radiocarbon and OSL ages of deposits at Siedliska (A) and Przechód (B) sites.

Fig 3

Depositional succession at Siedliska (A-D) and Przechód (E-H) sites: A – general view at the Siedliska site; B – S-2 unit with large-scale involutions and ice-wedge cast (arrow); C – fluvio-aeolian deposits (S-3 unit) with the fossil soil (arrow) in top of unit; D – aeolian deposits within coversand (S-4 unit) and stoss slope of dune (S-5 unit); E – top of P-1 unit, and aeolian deposits within coversand and bottom part of moving dune lee slope; F – soil within the lee slope of dune (top of P-3 unit); G – aeolian deposits within arm of dune (P-4 unit); H – climbing ripple lithofacies (arrow), deposited up the lee slope.
Depositional succession at Siedliska (A-D) and Przechód (E-H) sites: A – general view at the Siedliska site; B – S-2 unit with large-scale involutions and ice-wedge cast (arrow); C – fluvio-aeolian deposits (S-3 unit) with the fossil soil (arrow) in top of unit; D – aeolian deposits within coversand (S-4 unit) and stoss slope of dune (S-5 unit); E – top of P-1 unit, and aeolian deposits within coversand and bottom part of moving dune lee slope; F – soil within the lee slope of dune (top of P-3 unit); G – aeolian deposits within arm of dune (P-4 unit); H – climbing ripple lithofacies (arrow), deposited up the lee slope.

Fig 4

Relative probability density functions (Berger 2010) for all samples are presented on the scale of age.
Relative probability density functions (Berger 2010) for all samples are presented on the scale of age.

Fig 5

Model of environmental changes at the turn of Weichselian Pleniglacial and Late Glacial; 18O/16O ratio after Rasmussen et al. (2014), chronostratigraphy after Vandenberghe et al. (2013).
Model of environmental changes at the turn of Weichselian Pleniglacial and Late Glacial; 18O/16O ratio after Rasmussen et al. (2014), chronostratigraphy after Vandenberghe et al. (2013).

Basic information about investigated samples. Dose rate values obtained with different system detectors and final Bayesian estimation. Final obtained age using CAM model.

Sampling depthDose rate (Gy/ka)
Lab.codeSample ID(cm)Water content (%)Gamma spectrometryμDose systemBayesian averagingOSL age (ka)
GdTL-2638Przechód_121207±31.06±0.080.88±0.070.98±0.0511.85±0.91
GdTL-2639Przechód_363607±30.90±0.070.89±0.070.89±0.0412.68±1.00
GdTL-2640Przechód_454507±30.81±0.060.58±0.060.74±0.0414.88±1.11
GdTL-2641Przechód_606007±30.74±0.050.62±0.060.70±0.0418.96±1.46
GdTL-2642Siedliska_1501507±30.94±0.070.85±0.070.92±0.0512.39±0.98
GdTL-2643Siedliska_3203207±30.90±0.070.91±0.070.90±0.0512.47±1.04
GdTL-2644Siedliska_3653657±31.33±0.101.34±0.081.35±0.0613.21±1.04
GdTL-2645Siedliska_4254257±31.11±0.091.08±0.071.10±0.0614.26±1.27
GdTL-2646Siedliska_4504507±31.37±0.111.33±0.081.37±0.0714.50±1.21

Calibrated 14C ages of charcoals. The age was calibrated using OxCal program v4.2, (Bronk Ramsey, 2009 and Southon et al., 2013) with calibration curve IntCal13 (Reimer et al., 2013).

No.Sample nameAge 14C (BP)Range of calendar (calibrated) age 68% confidence levelRange of calendar (calibrated) age 95% confidence level
1Przechód _top11270 ± 17013320BP - 12960BP13450BP - 12780BP
2Przechód_bottom10780 ± 8012750BP - 12640BP12810BP - 12560BP
3Siedliska10915 ± 4512800BP - 12730BP12880BP - 12700BP
eISSN:
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Langue:
Anglais
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