The Younger Age Limit of Metasedimentary Protolith Formation of the Lower Part of the Udokan Group Rocks (Aldan Shield)

A. B. Kotov; E. B. Salnikova; V. P. Kovach; S. D. Velikoslavinskii; E. V. Sklyarov; D. P. Gladkochub; A. M. Larin; E. V. Tolmacheva; A. M. Fedoseenko; Yu. V. Plotkina

doi:10.1134/S1028334X18040025

The Younger Age Limit of Metasedimentary Protolith Formation of the Lower Part of the Udokan Group Rocks (Aldan Shield)

Authors: Kotov A.B.¹, Salnikova E.B.¹, Kovach V.P.¹, Velikoslavinskii S.D.¹, Sklyarov E.V.²^,3, Gladkochub D.P.², Larin A.M.¹, Tolmacheva E.V.¹, Fedoseenko A.M.¹, Plotkina Y.V.¹
Affiliations:
1. Institute of Precambrian Geology and Geochronology
2. Institute of the Earth’s Crust, Siberian Branch
3. Far East Federal University
Issue: Vol 479, No 2 (2018)
Pages: 415-419
Section: Geology
URL: https://journals.rcsi.science/1028-334X/article/view/192662
DOI: https://doi.org/10.1134/S1028334X18040025
ID: 192662

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Abstract

Biotite plagiogranite intruding sediments of the Kodar Sub-Group of the Udokan Group that have both undergone amphibolite grade alterations has been dated by the U–Pb ID TIMS technique using zircon to 2105 ± 6 Ma. This age estimate to a first approximation corresponds to the younger age limit of deposition of the siliciclastics in the lower section of the Udokan Group.