Doklady Earth Sciences

, Volume 484, Issue 1, pp 1–6 | Cite as

The Early Ordovician Alkaline-Ultramafic Zhilandy Complex of Central Kazakhstan: Structure and Geochronology

  • R. M. Antonyuk
  • A. A. Tretyakov
  • K. E. DegtyarevEmail author
  • A. B. Kotov


The first U–Pb dating of amphibole-bearing quartz monzodiorites from the alkaline-ultramafic Zhilandy Pluton in Central Kazakhstan gave an Early Ordovician age of 479 ± 3 Ma. The data obtained allow confident recognition of three stages of intraplate magmatism in the western part of the Central Asian Orogenic Belt: Late Neoproterozoic with intrusion of alkaline syenites of the Karsakpai Complex; Early Cambrian with emplacement of ultramafic–gabbro plutons of the Ulutau Complex; and late Cambrian–Early Ordovician with formation of the Zhilandy Pluton and the intrusions of the Krasnomai Complex.



This study was funded by the Russian Science Foundation, project no. 14–27–00058.


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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • R. M. Antonyuk
    • 1
  • A. A. Tretyakov
    • 2
  • K. E. Degtyarev
    • 2
    Email author
  • A. B. Kotov
    • 3
  1. 1.LLP TsentrgeolsemkaKaragandaRepublic of Kazakhstan
  2. 2.Geological Institute, Russian Academy of Sciences MoscowRussia
  3. 3.Institute of Precambrian Geology and Geochronology, Russian Academy of SciencesSt. PetersburgRussia

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