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Chronostratigraphy of the Periglacial Loess-Paleosol Sequence in Zaprężyn, SW Poland

Zdzisław Jary
Zdzisław Jary
, 
Marcin Krawczyk
Marcin Krawczyk
, 
Piotr Moska
Piotr Moska
, 
Natalia Piotrowska
Natalia Piotrowska
, 
Grzegorz Poręba
Grzegorz Poręba
, 
Jerzy Raczyk
Jerzy Raczyk
, 
Jacek Skurzyński
Jacek Skurzyński
, 
Michał Łopuch
Michał Łopuch
 und 
Ludwig Zöller
Ludwig Zöller
   | 18. Feb. 2024
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Online veröffentlicht: 18. Feb. 2024
Seitenbereich: 144 - 156
Eingereicht: 24. Aug. 2023
Akzeptiert: 02. Jan. 2024
DOI: https://doi.org/10.2478/geochr-2023-0014
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© 2024 Zdzisław Jary et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig 1.

(A) – Loess distribution in SW Poland (modified after Jary, 2010); (B) – location of the Zaprężyn LPS.
(A) – Loess distribution in SW Poland (modified after Jary, 2010); (B) – location of the Zaprężyn LPS.

Fig 2.

Pedosedimentary sequence and description of the basic units in Zaprężyn LPS. Radiocarbon dating after Jary (2007). Stratigraphic interpretations after Jary et al. (2016) using labelling system after Marković et al. (2015).
Pedosedimentary sequence and description of the basic units in Zaprężyn LPS. Radiocarbon dating after Jary (2007). Stratigraphic interpretations after Jary et al. (2016) using labelling system after Marković et al. (2015).

Fig 3.

LPS from Zaprężyn: (A) – Whole Zaprężyn profile; (B) – modern soil; (C) – top of L1LL1 loess unit; (D) – unconformity; (E) – L1LL2 loess with deformed gley horizons; (F) – S1 soil and the bottom part of L1LL2 loess unit in Zaprężyn LPS.
LPS from Zaprężyn: (A) – Whole Zaprężyn profile; (B) – modern soil; (C) – top of L1LL1 loess unit; (D) – unconformity; (E) – L1LL2 loess with deformed gley horizons; (F) – S1 soil and the bottom part of L1LL2 loess unit in Zaprężyn LPS.

Fig 4.

Relative probability density functions for equivalent dose distribution for all investigated OSL samples. Relative probability density functions according to Berger (2010).
Relative probability density functions for equivalent dose distribution for all investigated OSL samples. Relative probability density functions according to Berger (2010).

Fig 5.

Lithology, fraction percentages, grain-size parameters and stratigraphic units (acc. Marković et al. (2015) in the Zaprężyn LPS).
Lithology, fraction percentages, grain-size parameters and stratigraphic units (acc. Marković et al. (2015) in the Zaprężyn LPS).

Fig 6.

The new 14C and OSL ages obtained in Gliwice laboratory, OSL ages published by Zöller et al. (2022) and revised stratigraphical interpretation of the Zaprężyn LPS.
The new 14C and OSL ages obtained in Gliwice laboratory, OSL ages published by Zöller et al. (2022) and revised stratigraphical interpretation of the Zaprężyn LPS.

Fig 7.

Results of OSL dating of the ice wedge pseudomorph in Zaprężyn LPS: red dot - Zöller et al. (2022) result; black dots – Moska OSL results.
Results of OSL dating of the ice wedge pseudomorph in Zaprężyn LPS: red dot - Zöller et al. (2022) result; black dots – Moska OSL results.

Basic information about investigated samples.

Lab. code Sample ID Samplin depth (cm) Dose rate (Gy/ka) Equivalent dose (Gy) Overdispersion (%) OSL age (ka)
GdTL-3709 ZAPR_1 690 1.24 ± 0.05 175 ± 4 5 141.5 ± 7.0
GdTL-3710 ZAPR_2 645 1.73 ± 0.06 182 ± 4 5 105.1 ± 4.3
GdTL-3711 ZAPR_3 615 2.27 ± 0.08 170 ± 4 5 75.0 ± 3.1
GdTL-3712 ZAPR_4 590 3.03 ± 0.11 190 ± 4 5 62.6 ± 2.8
GdTL-3713 ZAPR_5 550 2.99 ± 0.10 176 ± 4 5 59.0 ± 2.8
GdTL-3714 ZAPR_6 505 3.00 ± 0.10 177 ± 5 5 59.0 ± 2.8
GdTL-3715 ZAPR_7 490 3.06 ± 0.10 164 ± 4 5 53.8 ± 2.5
GdTL-3716 ZAPR_8 480 3.14 ± 0.10 172 ± 5 7 54.8 ± 2.8
GdTL-3717 ZAPR_9 450 2.87 ± 0.11 161 ± 4 5 56.0 ± 2.8
GdTL-3718 ZAPR_10 410 3.01 ± 011 163 ± 4 5 54.0 ± 2.5
GdTL-3719 ZAPR_11 370 3.09 ± 0.11 163 ± 4 5 52.7 ± 2.5
GdTL-3720 ZAPR_12 330 2.86 ± 0.10 156 ± 6 9 54.4 ± 3.0
GdTL-3721 ZAPR_13 270 2.81 ± 0.10 51.8 ± 1.5 7 19.3 ± 1.0
GdTL-3722 ZAPR_14 210 2.72 ± 0.10 49.9 ± 1.5 8 19.2 ± 1.1
GdTL-3723 ZAPR_15 110 2.48 ± 0.10 38.1 ± 0.8 5 15.3 ± 0.7
GdTL-3724 ZAPR_16 50 3.09 ± 0.11 42.6 ± 1.0 5 14.5 ± 0.7
GdTL-3725 ZAPR_17 550 2.99 ± 0.10 162 ± 6 14 56.7 ± 3.0
GdTL-3726 ZAPR_18 460 3.10 ± 0.11 154 ± 6 13 52.0 ± 3.0
GdTL-3727 ZAPR_19 450 2.75 ± 0.10 129 ± 4 11 49.7 ± 3.0
GdTL-3728 ZAPR_20 340 2.88 ± 0.10 150 ± 5 10 54.8 ± 3.0

14C ages of gley horizons in Zaprężyn LPS.

No. Lab. No. Sample name Age 14C (BP) Range of calendar (calibrated) age 68.3% confidence level Range of calendar (calibrated) age 95.4% confidence level
1 GdA-6300 ZAPR_1/440 23930 ± 180 28290BP (68.3%) 27825BP 28580BP (95.4%) 27755BP
2 GdA-6301 ZAPR_2/441 24440 ± 270 29030BP (68.3%) 28350BP 29180 (95.4%) 27940BP
3 GdA-6302 ZAPR_3/442 22500 ± 200 27090BP (39.9)% 26780BP 27225 (95.4%) 26380BP
26710BP (28.4)% 26485BP
4 GdA-6303 ZAPR_4/443 24620 ± 250 29145BP (68.3%) 28660BP 29470 (0.6%) 29400BP
29325 (94.8%) 28085BP
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