New Data on the Age of Neoproterozoic Volcanic Rocks of the Isakovka Terrane, Sayan–Yenisei Accretion Belt (U–Pb, Zircon)

P. S. Kozlov, I. I. Likhanov, K. S. Ivanov, A. D. Nozhkin, S. V. Zinoviev

Research output: Contribution to journalArticlepeer-review

Abstract

A Late Neoproterozoic U–Pb zircon age is established for the first time for arc metadacites (691 ± 8.8 Ma) and basalts (572 ± 6.5 Ma) from the Kiselikha Formation of the Kutukas Series. The manifestation of basaltic volcanism is associated with rifting processes. Our studies specify the Late Precambrian stratigraphy of the Yenisei Range and the evolutionary features of the Sayan–Yenisei accretion belt at the Neoproterozoic stage of its history. The fold-and-thrust structures of the junction zone between the Yenisei Range and the West Siberian Plate may be favorable in terms of the search for unconventional oil and gas traps.

Original languageEnglish
Pages (from-to)1196-1199
Number of pages4
JournalDoklady Earth Sciences
Volume488
Issue number2
DOIs
Publication statusPublished - 1 Oct 2019

Keywords

  • WESTERN MARGIN
  • EVENTS
  • COMPLEXES
  • JUNCTION
  • BREAKUP
  • RANGE
  • RIDGE

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