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Vasil'chuk, Yurij K; Vasil'chuk, Alla Constantinovna; Budantseva, Nadine A (2023): 14C dates of organic remains in ice wedges and enclosing sediments of Seyakha yedoma in the north of Western Siberia [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.962348, In: Vasil'chuk, YK et al. (2023): Stable isotope composition of syngenetic ice wedges, 14C dates of Seyakha yedoma and surrounding sediments, and January air palaeotemperatures for 25-21 cal ka BP in northwestern Siberia [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.962428

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Keyword(s):
deuterium; Ice wedges; Northwestern Siberia; oxygen isotope; Permafrost; radiocarbon age; Yamal Peninsula; Yedoma
Related to:
Vasil'chuk, Yurij K; Trofimov, V T (1984): Debated problems of paleocryology of the Pleistocene and Holocene of Western Siberia in light of new data. Moscow University Geology Bulletin, 39(3), 67-80
Vasil'chuk, Yurij K; van der Plicht, Johannes; Jungner, Höegne; Sonninen, Eloni; Vasil'chuk, Alla Constantinovna (2000): First direct dating of Late Pleistocene ice-wedges by AMS. Earth and Planetary Science Letters, 179(2), 237-242, https://doi.org/10.1016/S0012-821X(00)00122-9
Vasil'chuk, Yurij K; van der Plicht, Johannes; Jungner, Höegne; Vasil'chuk, Alla Constantinovna (2000): AMS-dating of Late Pleistocene and Holocene syngenetic ice-wedges. Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms, 172(1-4), 637-641, https://doi.org/10.1016/S0168-583X(00)00212-3
Vasil'chuk, Yurij K; Vasil'chuk, Alla Constantinovna; Trofimov, V T (1984): New data on the conditions of accumulation of the Kargin and Sartan deposits in the north of Western Siberia. In Commission of the Study of the Quaternary by the USSR Academy of Sciences, Bulletin (in Russian), 53, 28-35
Funding:
Russian scientific foundation (RSF), grant/award no. 23-17-00082
Coverage:
Latitude: 70.157744 * Longitude: 72.567881
Event(s):
Seyakha_settlement_1 * Latitude: 70.157744 * Longitude: 72.567881 * Location: Yamal Peninsula, northwestern Siberia
Comment:
14C dates of organic remains in ice wedges and enclosing sediments (central part of Seyakha yedoma exposure). Calibrated using OxCal 4.4 equipped with IntCal 20 (Reimer et al. 2020, doi:10.1017/RDC.2020.41). The isotope dates of water and ice samples were obtained at the isotope laboratory of the Department of Geography, Moscow State University, using a Delta-V mass spectrometer with a standard gas-bench option. For measurements we used the V-SMOW, GISP, and SLAP international standards, and the standards of the laboratory.
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
162 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Location

Lab label

Height [m a.s.l.]

Comm

Age [ka BP]

Age std e [±]
(from)

Age std e [±]
(to)

Age min [ka]
(95.4%, cal [ka BP])

Age max [ka]
(95.4%, cal [ka BP])
10 
Age median [ka]
(cal [ka BP])
11 
Samp mat
Eastern coast of Yamal Peninsula, Seyakha settlementGrA-1053820.2AMS 14C dates of ice wedges14.550.1018.12717.42117.768POC > 400 µm
Eastern coast of Yamal Peninsula, Seyakha settlementGra-1053910.0AMS 14C dates of ice wedges14.720.1018.25417.74218.032POC > 400 µm
Eastern coast of Yamal Peninsula, Seyakha settlementGra-105361.4AMS 14C dates of ice wedges20.960.1425.67824.96625.296POC > 400 µm
Eastern coast of Yamal Peninsula, Seyakha settlementHel-394221.2Conventional 14C dates of enclosing sediments11.620.1513.79013.18113.486Peat
Eastern coast of Yamal Peninsula, Seyakha settlementHel-402318.8Conventional 14C dates of enclosing sediments17.290.2521.72520.31720.904Peat
Eastern coast of Yamal Peninsula, Seyakha settlementGIN-247313.4Conventional 14C dates of enclosing sediments22.700.3027.62126.37026.979Peat
Eastern coast of Yamal Peninsula, Seyakha settlementGIN-247512.0Conventional 14C dates of enclosing sediments22.600.6028.05925.77126.880Peat
Eastern coast of Yamal Peninsula, Seyakha settlementGIN-893111.0Conventional 14C dates of enclosing sediments22.510.3327.35326.01426.790Peat
Eastern coast of Yamal Peninsula, Seyakha settlementGIN-247410.0Conventional 14C dates of enclosing sediments23.500.4028.67927.13327.731Peat
Eastern coast of Yamal Peninsula, Seyakha settlementGIN-247610.0Conventional 14C dates of enclosing sediments24.300.3029.10727.84228.480Peat
Eastern coast of Yamal Peninsula, Seyakha settlementGIN-404310.0Conventional 14C dates of enclosing sediments24.460.6530.07127.48428.725Peat
Eastern coast of Yamal Peninsula, Seyakha settlementMSU-10179.5Conventional 14C dates of enclosing sediments24.762.5040.13624.54930.092Peat
Eastern coast of Yamal Peninsula, Seyakha settlementMSU-10169.0Conventional 14C dates of enclosing sediments25.001.2032.16027.11029.396Peat
Eastern coast of Yamal Peninsula, Seyakha settlementHel-39436.8Conventional 14C dates of enclosing sediments27.890.0932.04331.55731.792Peat
Eastern coast of Yamal Peninsula, Seyakha settlementGIN-89361.5Conventional 14C dates of enclosing sediments29.500.4034.77233.02433.999Peat
Eastern coast of Yamal Peninsula, Seyakha settlementGIN-24771.1Conventional 14C dates of enclosing sediments30.101.5039.11231.55134.785Peat
Eastern coast of Yamal Peninsula, Seyakha settlementHela-2011.1AMS 14C dates of enclosing sediments31.200.0935.94735.29335.561Larix
Eastern coast of Yamal Peninsula, Seyakha settlementHel-39501.1Conventional 14C dates of enclosing sediments36.803.302.1<26.47841.022Peat