“Ring” structures as a marking sign of the stress-strain state of the geo-medium

L.K. Miroshnikova, A.Yu. Mezentsev, N.V. Semenyakin, N.E. Filippova
Polar State University named after N.M. Fedorovsky, Norilsk, Russian Federation
Russian Mining Industry №3 / 2022 р. 125-131

Abstract: Innovative solutions for identifying geodynamically active structures based on the morphostructural analysis of sedimentary deposits of the Tunguska series (Carboniferous-Permian), which are the upper level of the localization of ore-bearing massifs and rich sulfide platinum-bearing copper-nickel ores, are considered. The morphostructural groups of oval outlines identified on the isolinear distribution schemes of the top and bottom of the Tunguska series are considered as a marker of the “ring” structures development. These structures are developed along the boundaries of mine fields. Their formation took place in the period following the ore formation. Individual tectonic disturbances developed inside the “ring” structures and along their boundaries can be traced down to the occurrence depth of the ore-bearing intrusions and ore bodies. The “ring” structures were formed in the southwestern part of the Talnakh ore cluster as a result of left-sided strike-slip faults, which were accompanied by east-bound torsions. The “ring” structures are morphotectonic blocks that are distinguished by maximum tension indicators. As a result of the research, it was found that the “ring” structures are the marking signs of geodynamically active structures of the strike-slip and the oblique-slip kinematics with a high density of disjunctive disturbances, in which high risks in development of dangerous geodynamic processes and phenomena are possible in zones adjacent to the mine fields.

Keywords: Talnakh ore cluster, local geodynamic zoning, geodynamically active zones, “ring” structures, mine fields

For citation: Miroshnikova L.K., Mezentsev A.Yu., Semenyakin N.V., Filippova N.E. “Ring” structures as a marking sign of the stress-strain state of the geo-medium. Russian Mining Industry. 2022;(3):125–131. https://doi.org/10.30686/1609-9192-2022-3-125-131

Article info

Received: 04.05.2022

Revised: 23.05.2022

Accepted: 25.05.2022

Information about the authors

Lyudmila K. Miroshnikova – Dr. Sci. (Geolog. & Mineral.), Professor, Department of Mineral Deposit Development, Polar State University named after N.M. Fedorovsky, Norilsk, Russian Federation; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it..

Aleksandr Yu. Mezentsev – Post-Graduate Student, Senior Lecturer, Department of Mineral Deposit Development, Polar State University named after N.M. Fedorovsky, Norilsk, Russian Federation; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it..

Natalia V. Semenyakin – Post-Graduate Student, Senior Lecturer, Department of Mineral Deposit Development, Polar State University named after N.M. Fedorovsky, Norilsk, Russian Federation

Natalia E. Filippova – Associate Professor Department of Mineral Deposit Development, Polar State University named after N.M. Fedorovsky, Norilsk, Russian Federation

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