Maly Tulukui Deposit in Southeastern Transbaikalia: Geomechanics and Geodynamics

The article presents the integrated research into geomechanics and geodynamics of the Maly Tulukui uranium ore deposit in southeastern Transbaikalia. The studies into tectonic structure and the terrain morphometry in the area of the Steltsovka ore field reveals the modern geodynamics features and th...

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Bibliographic Details
Published in:Journal of mining science 2021-09, Vol.57 (5), p.713-721
Main Authors: Rasskazov, I. Yu, Petrov, V. A., Fedotova, Yu. V., Anikin, P. A., Potapchik, M. I., Usikov, V. I.
Format: Article
Language:English
Subjects:
Analysis
Earth and Environmental Science
Earth Sciences
Geodynamics
Geomechanics
Geophysics/Geodesy
Geotechnical Engineering & Applied Earth Sciences
Mechanical properties
Mineral deposits
Mineral industry
Mineral Resources
Mining accidents & safety
Mining industry
Morphometry
Occupational health and safety
Occupational safety
Rock masses
Rock mechanics
Rock properties
Rockbursts
Rocks
Strain
Stress distribution
Tectonics
Tectonics (Geology)
Tectonophysics
Uranium
Uranium ores
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Summary:The article presents the integrated research into geomechanics and geodynamics of the Maly Tulukui uranium ore deposit in southeastern Transbaikalia. The studies into tectonic structure and the terrain morphometry in the area of the Steltsovka ore field reveals the modern geodynamics features and their correlation with the stress–strain behavior of rock mass. The stress field parameters and the physical/mechanical properties of rocks point at potential of dynamic fracture in the edge area of the deposit. The numerical stress–strain modeling and in-situ observation data prove the tendency of rock mass to rockbursting, and the bottom levels of the deposit (at the depth of 500 m and downward) are assessed as rockburst-hazardous. A package of measures aimed to prevent rock bursts and to reduce geodynamic risk is developed for the mining safety.
ISSN:1062-7391
1573-8736
DOI:10.1134/S106273912105001X