Primary Data on U/Pb-Isotope Ages and Lu/Hf-Isotope Geochemical Systematization of Detrital Zircons from the Lopatinskii Formation (Vendian–Cambrian Transition Levels) and the Tectonic Nature of Teya–Chapa Depression (Northeastern Yenisei Ridge)

N. B. Kuznetsov; N. S. Priyatkina; S. V. Rud’ko; A. V. Shatsillo; W. J. Collins; T. V. Romanyuk

doi:10.1134/S1028334X18030042

Primary Data on U/Pb-Isotope Ages and Lu/Hf-Isotope Geochemical Systematization of Detrital Zircons from the Lopatinskii Formation (Vendian–Cambrian Transition Levels) and the Tectonic Nature of Teya–Chapa Depression (Northeastern Yenisei Ridge)

作者: Kuznetsov N.B.¹^,2, Priyatkina N.S.³, Rud’ko S.V.¹, Shatsillo A.V.⁴, Collins W.J.³, Romanyuk T.V.²^,4
隶属关系:
1. Geological Institute
2. Gubkin Russian State University of Oil and Gas
3. Newcastle University
4. Schmidt Institute of Physics of the Earth
期: 卷 479, 编号 1 (2018)
页面: 286-289
栏目: Geology
URL: https://journals.rcsi.science/1028-334X/article/view/192380
DOI: https://doi.org/10.1134/S1028334X18030042
ID: 192380

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The main results are presented on U/Pb-isotope dating of 100 detrital zircons and, selectively, on the Lu/Hf-isotope system of 43 grains from sandstones of the Lopatinskii formation (the lower stratigraphic level of the Chingasan group). Ages from 896 ± 51 to 2925 ± 38 Ma were obtained with a pronounced maximum of ~1890 Ma in the curve of probability density, along with ε_Hf estimates from +8.4 to–15.1, which allow one to throw doubt upon the molasse nature of the Lopatinskii formation.