Doklady Earth Sciences

, Volume 467, Issue 1, pp 241–245 | Cite as

Particle size composition of Holocene–Pleistocene deposits of the Laptev Sea (Buor-Khaya Bay)

  • A. S. UlyantsevEmail author
  • S. Yu. Bratskaya
  • E. A. Romankevich
  • I. P. Semiletov
  • V. A. Avramenko


New data on the particle size composition of the Laptev Sea shelf deposits were obtained on the basis of results of low-angle laser light-scattering of core samples from the columns studied. It was revealed that the sand fraction dominates. The results of comparative analysis of the particle size composition of deposits show that the Laptev Sea shelf zone was characterized by highly variable spatial–temporal conditions and settings of sedimentation in the Quaternary, a polygenic character of deposits, and a pulsating influence of fluvial and slope processes on the conditions of sedimentation. A tendency of coarsening in the vertical sequence that contributes to thawing of the permafrost was revealed in the Ivashkina lagoon.


DOKLADY Earth Science Pleistocene Deposit Particle Size Composition Core Column Water Layer Thickness 
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Copyright information

© Pleiades Publishing, Ltd. 2016

Authors and Affiliations

  • A. S. Ulyantsev
    • 1
    Email author
  • S. Yu. Bratskaya
    • 2
  • E. A. Romankevich
    • 1
    • 3
  • I. P. Semiletov
    • 3
    • 4
  • V. A. Avramenko
    • 2
  1. 1.Shirshov Institute of OceanologyRussian Academy of SciencesMoscowRussia
  2. 2.Institute of Chemistry, Far East BranchRussian Academy of SciencesVladivostokRussia
  3. 3.National Research Tomsk Polytechnic UniversityTomskRussia
  4. 4.Pacific Oceonological Institute, Far East BranchRussian Academy of SciencesVladivostokRussia

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