Assessment of geodynamic conditions for the development of complex-structured South Khingan manganese ore deposit

Large-scale and intensive technogenic activity, which includes the excavation and transportation of large volumes of rocks during the development of deposits of solid minerals, has a significant impact on the natural stress-strain state of the rock massif and often leads to the activation of geodynamic processes. The prediction of geodynamic activation is rock-tectonic bursts, man-made and induced seismicity and other hazard geodynamic phenomena is an urgent and a very difficult problem. Within the framework of the method of geodynamic zoning of deposits, a methodology for studying the modern tectonic structure of a rock massif is proposed. This methodology includes morphostructural analysis, supplemented by a volumetric interpretation of the Earth's surface relief and the study of radar images using modern computer programs. A detailed analysis of digital calculation models of different scales made it possible to establish the heterogeneity of the modern natural stress field, as well as to identify blocks with the greatest geodynamic activity, where high stress values are predicted at this deposit. As a result of a comprehensive geodynamic assessment of the South Khingan deposit, its faultblock structure and modern activity and kinematics of tectonic elements of different scale levels were studied. Data on the nature of the natural stress state of the rock massif were obtained.

Rasskazov M. I., Potapchuk M. I., Usikov V. I., Kursakin G. A. Assessment of geodynamic conditions for development of the complex-structured South Khingan manganese ore deposit. MIAB. Mining Inf. Anal. Bull. 2025;(11):34-48. [In Russ]. DOI: 10.25018/ 0236_1493_2025_11_0_34.

The research was carried out using the resources of the Center for Collective Use «Center for Research of Mineral Raw Materials» of the KHFIC Far Eastern Branch of the Russian Academy of Sciences, funded by the Russian Federation represented by the Ministry of Education and Science of the Russian Federation under Agreement No. 075-15-2025-621.

M.I. Rasskazov¹, Researcher, e-mail: rasm.max@mail.ru, ORCID ID: 0000-0002-9130-8072,
M.I. Potapchuk¹, Cand. Sci. (Eng.), Leading Researcher, e-mail: potapchuk-igd@mail.ru, ORCID ID: 0000-0002-3769-243Х,
V.I. Usikov¹, Cand. Sci. (Econ.), Leading Researcher, e-mail: v-i-usikov@yandex.ru, ORCID ID: 0000-0002-9871-9181,
G.A. Kursakin¹, Dr. Sci. (Eng.), Chief Researcher,
¹ Mining Institute of the Far Eastern Branch of RAS, 680000, Khabarovsk, Russia.

M.I. Rasskazov, e-mail: rasm.max@mail.ru.

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