New data on continental crust age in the western part of the Aldan Shield: Results of Sm–Nd isotopic study of the Cenozoic sand deposits in the Chara and Tokkin Basins

D. V. Lopatin; E. V. Sklyarov; E. V. Tolmacheva; O. V. Bobrovskaya; A. B. Kotov; T. M. Skovitina; V. P. Kovach; S. D. Velikoslavinsky

doi:10.1134/S1028334X17070224

New data on continental crust age in the western part of the Aldan Shield: Results of Sm–Nd isotopic study of the Cenozoic sand deposits in the Chara and Tokkin Basins

Authors: Lopatin D.V.¹, Sklyarov E.V.²^,3, Tolmacheva E.V.⁴, Bobrovskaya O.V.¹, Kotov A.B.⁴, Skovitina T.M.², Kovach V.P.⁴, Velikoslavinsky S.D.⁴
Affiliations:
1. Institute of Earth Sciences of St. Petersburg State University
2. Institute of the Earth’s Crust, Siberian Branch
3. Far Eastern Federal University
4. Institute of Precambrian Geology and Geochronology
Issue: Vol 475, No 1 (2017)
Pages: 758-761
Section: Geology
URL: https://journals.rcsi.science/1028-334X/article/view/190223
DOI: https://doi.org/10.1134/S1028334X17070224
ID: 190223

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Abstract

It has been demonstrated on basis of Sm–Nd isotopic analyses of the Cenozoic sands from the Chara and Tokkin Basins in the eastern flank of the Baikal rift zone that the Chara–Olekma Geoblock of the Aldan Shield is an area of intense crust growing processes occurred not only in the Paleoarchaean but in the Mesoarchaean as well.