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STRATI 2013 pp 293-296 | Cite as

The First Case Study of 230Th–U Dating of Buried Wood Remnants from Siberia

  • Fedor MaksimovEmail author
  • Vladislav Kuznetsov
  • Stanislav Laukhin
  • Sergey Larin
Conference paper
Part of the Springer Geology book series (SPRINGERGEOL)

Abstract

A radiochronological study of buried wood remnants was conducted to assess the capabilities and limitations of the 230Th–U method for dating. The buried wood sample was a larch stump from the reference Lipovka section located on the Tobol River bank (southwestern Western Siberia, lat 57°55′ N). A buried soil occurs in the middle part of the sequence, in which the stump layer was found. Numerous larch stumps occur in life position, and therefore the redeposition of wood remnants can be discounted. It was found that the kernel acts as a near-closed geochemical system suitable for the 230Th–U dating method. The 14C age of 36,400–37,930 cal BP obtained previously for the same larch stump is consistent with the confidence intervals of the 230Th–U ages of 39.1 ± 5.7 and 40.3 ± 3.9 kyr calculated for the larch kernel.

Keywords

230Th–U dating method Wood remnants Upper Pleistocene Western Siberia 

Notes

Acknowledgments

The work was supported by grant No. 11.G34.31.0025 of the Government of Russian Federation, grant No. 9 of the integration project SB RAS–FEB RAS, and grant RFBR No. 11-05-01173a.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Fedor Maksimov
    • 1
    Email author
  • Vladislav Kuznetsov
    • 1
  • Stanislav Laukhin
    • 2
    • 3
  • Sergey Larin
    • 4
  1. 1.S-Petersburg State UniversityS-PetersburgRussia
  2. 2.Russian State Geological Prospecting UniversityMoscowRussia
  3. 3.Earth Cryosphere Institute SB RAS, Moscow BranchMoscowRussia
  4. 4.Tyumen State UniversityTyumenRussia

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