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Doklady Earth Sciences

, Volume 479, Issue 1, pp 286–289 | Cite as

Primary Data on U/Pb-Isotope Ages and Lu/Hf-Isotope Geochemical Systematization of Detrital Zircons from the Lopatinskii Formation (Vendian–Cambrian Transition Levels) and the Tectonic Nature of Teya–Chapa Depression (Northeastern Yenisei Ridge)

  • N. B. Kuznetsov
  • N. S. Priyatkina
  • S. V. Rud’ko
  • A. V. Shatsillo
  • W. J. Collins
  • T. V. Romanyuk
Geology

Abstract

The main results are presented on U/Pb-isotope dating of 100 detrital zircons and, selectively, on the Lu/Hf-isotope system of 43 grains from sandstones of the Lopatinskii formation (the lower stratigraphic level of the Chingasan group). Ages from 896 ± 51 to 2925 ± 38 Ma were obtained with a pronounced maximum of ~1890 Ma in the curve of probability density, along with εHf estimates from +8.4 to–15.1, which allow one to throw doubt upon the molasse nature of the Lopatinskii formation.

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • N. B. Kuznetsov
    • 1
    • 2
  • N. S. Priyatkina
    • 3
  • S. V. Rud’ko
    • 1
  • A. V. Shatsillo
    • 4
  • W. J. Collins
    • 3
  • T. V. Romanyuk
    • 2
    • 4
  1. 1.Geological InstituteRussian Academy of SciencesMoscowRussia
  2. 2.Gubkin Russian State University of Oil and GasMoscowRussia
  3. 3.Newcastle UniversityNewcastle-upon-TyneAustralia
  4. 4.Schmidt Institute of Physics of the EarthRussian Academy of SciencesMoscowRussia

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