40Ar/39Ar age of thrusting in sedimentary complexes of Chukotka and Wrangel Island (North-East Russia)-Reference-Cited by-同舟云学术

40Ar/39Ar age of thrusting in sedimentary complexes of Chukotka and Wrangel Island (North-East Russia)

Published:2024-09-12 Issue:2 Volume:514 Page:
ISSN:2686-7397
Container-title:Доклады Российской академии наук. Науки о Земле
language:
Short-container-title:Doklady Rossijskoj akademii nauk. Nauki o Zemle

Author:

Tuchkova M. I.¹,Sokolov S. D.¹,Moiseev A. V.¹,Vatrushkina E. V.¹

Affiliation:

1. Geological Institute of the Russian Academy of Sciences

Abstract

The 40Ar/39Ar isotope dating of newly formed micas and chlorites from thrust zones made it possible to establish that they were formed in the Tithonian (150 Ma). The thrusts involved sedimentary rocks of a wide age range from Devonian to Triassic. In the Silurian rocks of the Drem-Hed Mountains of Wrangel Island, an older stage of deformations of 257 Ma was established for Wrangel Island, which corresponds to the Late Permian stratigraphic interval, and indicates the existence of deformations after the manifestation of the Ellesmere orogeny in the Early Carboniferous.

Publisher

The Russian Academy of Sciences

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