A model of the tectonic development of Irtysh shear zone in terms of present day radioisotope data
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- Details
- Parent Category: 2021
- Category: Content №4 2021
- Created on 23 August 2021
- Last Updated on 23 August 2021
- Published on 30 November -0001
- Written by Y. V. Ponomareva, M. V. Ponomareva, A. V. Sadchikov, N. V. Zhelayeva
- Hits: 4910
Authors:
Y.V.Ponomareva, orcid.org/0000-0003-1322-6773, Karaganda Technical University, Karaganda, the Republic of Kazakhstan, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
M.V.Ponomareva, orcid.org/0000-0001-8652-9607, Karaganda Technical University, Karaganda, the Republic of Kazakhstan, e-mail: mv_ponomareva18 @ mail.ru
A.V.Sadchikov, orcid.org/0000-0002-6022-2073, Karaganda Technical University, Karaganda, the Republic of Kazakhstan, e-mail: a.sadchikov @ kstu.kz
N.V.Zhelayeva, orcid.org/0000-0003-3572-3578, Karaganda Technical University, Karaganda, the Republic of Kazakhstan, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu. 2021, (4): 005 - 009
https://doi.org/10.33271/nvngu/2021-4/005
Abstract:
Purpose. To present the model of tectonic development of the Irtysh shear zone, based on recent uranium-lead dating for zircon.
Methodology. The authors analyzed the results of studies of foreign and domestic scientists, conducted field research, sample preparation, carried out iso-tope studies using SHRIMP-2 and LA-ICP-MS technology; determined small elements by the fusion method using ICP.
Findings. Based on more than ten uranium-lead dating for zircon using the local method and the given geological and structural data, model of the Irtysh shear zone tectonic development has been proposed
Originality. A tectonic model has been developed and the age and structural relationships of the Irtysh shear zone with the Kalba-Narym zone based on uranium-lead zircon dating have been established.
Practical value. The article considers the structural and age relationships of the Irtysh crush zone which prove its formation along the deep Irtysh fault in the course of a long multi-stage tectogenesis.
Keywords: crystalline schists, ophiolite complex, tectonic evolution, green shale, dike, collision, uranium-lead datings
References.
1. Yermolov, P.V. (2013). Actual problems of isotope geology and metallogeny of Kazakhstan. Karaganda: ed.-Polygraph. Center of Kazakhstan-Russian University.
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3. Yermolov, P.V., & Ponomareva, Ye.V. (2019). Studying early collision and tran-sitional plastic-fragile deformations in the Irtysh shear zone structures. Materials of the International Conference Scientific research of the SCO countries: synergy and integration, 125-129.
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5. Zhanga, Ch.-L., Santosh, M., Zoud, H.-B., Xu, Y.-G., Zhouf, G., Dong, Y.-G., Dinga, R.-F., & Wang, H.-Y. (2012). Revisiting the Irtysh tectonic belt: Implications for the Paleozoic tectonic evolution of the Altai orogeny. Journal of Asian Earth Sciences, (52), 117-133. https://doi.org/10.1016/j.jseaes.2012.02.016.
6. Glorie, S., De Grave, J., Delvaux, D., Buslov, M.M., Zhimulev,F.I., Vanhaecke, F., Elburg M.A., & Van den haute, P. (2012). Tectonic history of the Irtysh shear zone (NE Kazakhstan): New constraints from zircon U/Pb dating, apatite fission track dating and paleostress analyses. Journal of Asian Earth Sciences, 45, 138-149. https:// doi.org/10.1016/j.jseaes.2011.09.024.
7. Yermolov, P.V., Portnov, V.S., & Musina, E.V. (2016). Geodynamic of Irtysh shear zone: composition and U-Pb age of metamorphic and magmatic complexes, TR-mineralization, geodynamic model. Geology and subsurface protection, (3), 1-14.
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