Doklady Earth Sciences

, Volume 484, Issue 1, pp 53–57 | Cite as

A Local Source of Detritus for Rocks of the Ai Formation (Basal Level of the Lower Riphean Stratotype, Bashkir Uplift, Southern Urals): Evidence from U–Pb (LA-ICP-MS) Dating of Detrital Zircons

  • T. V. RomanyukEmail author
  • N. B. Kuznetsov
  • V. N. Puchkov
  • N. D. Sergeeva
  • V. I. Powerman
  • V. M. Gorozhanin
  • E. N. Gorozhanina


The results of U–Pb dating of detrital zircons extracted from rocks of the Ai Formation are presented. A provenance-signal of a local source with an age of about 2.07 Ga has been documented, and the effect of the Ordovician magmatic episode on the sedimentary sequence has been revealed.



This study was carried out within the framework of State Tasks of the Schmidt Institute of Physics of the Earth, Russian Academy of Sciences, the Geological Institute, Russian Academy of Sciences (project no. 0135-2016-0009), and the Institute of Geology, Ufa Science Center, Russian Academy of Sciences (project no. 0252-2014-0002). The performance and processing of isotope analyses were financially supported by the Russian Science Foundation (project no. 14-27-00058). Geological materials for the Urals and East European Platform were collected within the framework of project no. 14.Z50.31.0017 of the Ministry of Education and Science of the Russian Federation. Publication was supported by the Russian Foundation for Basic Research, project no. 16-05-00259.


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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • T. V. Romanyuk
    • 1
    Email author
  • N. B. Kuznetsov
    • 2
    • 1
    • 3
  • V. N. Puchkov
    • 4
  • N. D. Sergeeva
    • 5
  • V. I. Powerman
    • 6
    • 1
  • V. M. Gorozhanin
    • 5
    • 7
  • E. N. Gorozhanina
    • 5
  1. 1.Schmidt Institute of Physics of the Earth, Russian Academy of SciencesMoscowRussia
  2. 2.Geological Institute, Russian Academy of SciencesMoscowRussia
  3. 3.Gubkin Russian State University of Oil and Gas (National Research University)MoscowRussia
  4. 4.Zavaritsky Institute of Geology and Geochemistry, Uralian Branch of Russian Academy of SciencesEkaterinburgRussia
  5. 5.Institute of Geology, Ufa Science Center, Russian Academy of SciencesUfaRussia
  6. 6.Institute of the Earth’s Crust, Siberian Branch, Russian Academy of SciencesIrkutskRussia
  7. 7.Bashkir State UniversityUfaRussia

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