Jurassic and Cretaceous stratigraphy of the New Siberian Archipelago (Laptev and East Siberian Seas): facies zoning and lithostratigraphy

B. L. Nikitenko, V. P. Devyatov, N. K. Lebedeva, V. A. Basov, A. A. Goryacheva, E. B. Pestchevitskaya, L. A. Glinskikh

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Mesozoic sections in the New Siberian Archipelago are important for understanding of the geology of underexplored shelf areas in the east of the Laptev Sea and in the west of the East Siberian Sea. They are reference sections for interpretation of seismic data in these regions. However, there are still many unresolved problems concerning the lithology, lateral extent, and age of Mesozoic deposits, as the sections have a complex structure and are heavily deformed. The performed research makes a basis for the first facies zoning of Jurassic and Cretaceous deposits in the New Siberian Islands and adjacent landmasses of continental Siberia at the junction of the Laptev and East Siberian Seas. The lithostratigraphic division of the Jurassic and Cretaceous is refined, being proposed for the first time for some stratigraphic intervals, and allows updating their lithostratigraphic division (or undertaking it for the first time for some stratigraphic intervals). Facies features of Jurassic and Cretaceous deposits allow the definition of three depositional series.

Original languageEnglish
Pages (from-to)1478-1493
Number of pages16
JournalRussian Geology and Geophysics
Volume58
Issue number12
DOIs
Publication statusPublished - 1 Dec 2017

Keywords

  • Arctic
  • Cretaceous
  • dinoflagellate cysts
  • Dummy Introduction
  • facies division
  • foraminifera
  • Jurassic
  • New Siberian Islands
  • ostracods
  • spores and pollen
  • stratigraphy
  • SEDIMENTS
  • STOLBOVOI-ISLAND

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