Position of the Siberian platform and adjacent cratonic terranes in the Paleozoic from paleontological and geological evidence

A. V. Kanygin, T. V. Gonta, A. V. Timokhin

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The comprehensive chorological analyses of benthic and planktonic faunal groups, the reconstruction of paleogeography, and the delineation and correlation of the same-type biofacies and geographic ranges of the fauna suggest that the Paleozoic tectonic blocks of the Verkhoyansk-Chukotka foldbelt (Tas-Khayakhtakh, Selennyakh, Omulevka, Omolon, Okhotsk, and Chukchi inliers) and Kotel'nyi Island originated in the same epicontinental sea basin of the Siberian paleocontinent, being parts of its passive margin located at the place of the recent foldbelt. We provide a rationale for paleontological, sedimentary, and morphometric diagnostic characteristics of rift zones in complex thrust-folded structures. A rift development, with activation phases in the Ordovician and Devonian, is found to have preceded the break-up of the passive margin in the late Paleozoic.

Original languageEnglish
Pages (from-to)359-377
Number of pages19
JournalRussian Geology and Geophysics
Volume61
Issue number4
DOIs
Publication statusPublished - 1 Apr 2020

Keywords

  • Chorology
  • Foldbelt
  • Northeastern Asia
  • Paleogeography
  • Paleozoic
  • Sedimentology
  • Siberian paleocontinent
  • Stratigraphy
  • Tectonics
  • Terranes

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