A model of the tectonic development of Irtysh shear zone in terms of present day radioisotope data

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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.


повний текст / full article



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.

2. Gloriea, S., Gravea, J.De., Buslov, M.M., Zhimulev, F.I., Izmerc,A., Vandoornea, W., Ryabininb, A., , & Elburga, M.A. (2011). Formation and Palaeozoic evolution of the Gorny-Altai-Monglia su-ture zone (South Siberia): zircon U/Pb constraints on the igneous record. Gondwana Research 20, 465-484. https://doi.org/10.1016/j.gr.2011.03.003.

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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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.

8. Dyachkov, B., Mizernaya, M., Kuzmina, O., Zimanovskaya, N., & Oitseva, T. (2018). Tectonic and Metallogeny of East Kazakhstan // Tectonics- Problems of regional settings. p. 68. https://doi.org/10.5772/INTECHOPEN.72745

9. Dobretsov, N.L. (2011). Fundamentals of Tectonics and Geodynamics. Monograph. Novosibirsk: NSU Editorial and Publishing Center.

10. Dyachkov, B., Mizernaya, M., Maiorova, N., Chernenko, Z., Maiorov, V., & Kuzmina, O. (2011). Geotectonic Position and Metallogeny of the Greater Altai Geological Structures in the System of the Central-Asian Mobile Belt. https://doi.org/10.5772/21607.

 

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ISSN (print) 2071-2227,
ISSN (online) 2223-2362.
Journal was registered by Ministry of Justice of Ukraine.
Registration number КВ No.17742-6592PR dated April 27, 2011.

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