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Abstract

The paper presents a comprehensive study of the geological, geotechnical and geomechanical characteristics of the Taushan gold deposit that determine the selection of an efficient open-pit mining technology. The lithological structure, tectonic framework, ore body geometry and variation of rock mechanical properties with mining depth were analyzed. The results indicate that intensive fracturing, variable ore body thickness, complicated geological conditions and increased seismic activity significantly reduce the efficiency of conventional drilling-and-blasting mining methods. The application of surface miners as an alternative non-blasting mining technology is substantiated. Mechanical rock excavation provides higher mining selectivity, lower ore losses and dilution, reduced disturbance of the rock mass, improved pit slope stability and lower environmental impact due to the elimination of blasting operations. The study confirms the technical feasibility and economic prospects of applying Surface Mining technology for the development of gold deposits in the Republic of Uzbekistan.

First Page

14

Last Page

17

References

  1. Zajączkowski M. Technological and economic analysis of the application of surface miner on the example of a limestone deposit in Poland. Inżynieria Mineralna (Journal of the Polish Mineral Engineering Society). 2021;48(2):237–242.

  2. Będkowski T., Kasztelewicz Z., et al. Technical and economic analysis of mechanical rock extraction based on the "Raciszyn" deposit. Inżynieria Mineralna. 2016;17(2):107–112.
  3. Bilgin N. Mechanical Excavation in Mining and Civil Industries. Boca Raton: CRC Press; 2014. 848 p.
  4. Oppelaar S., Hutchins J. Recent advances in precision surface mining techniques. Procedia Engineering. 2014;83:76–85.
  5. State Committee of the Republic of Uzbekistan on Geology and Mineral Resources. Predvaritel'naya razvedka mestorozhdenii zolota Taushan i Yangikazgan dlya kuchnogo vyshchelachivaniya. Otchet po geologicheskomu zadaniyu 10–25 za 1993–1996 gg. [Preliminary exploration of the Taushan and Yangikazgan gold deposits for heap leaching. Geological report No. 10–25 for 1993–1996]. Tolokolnikov A.V., scientific supervisor. Tashkent; 1997. Book 1. 171 p. (in Russian).
  6. Read J., Stacey P. Guidelines for Open Pit Slope Design. Ekaterinburg: Pravoved; 2015. 510 p. (Russian translation).
  7. Atakuziev U.A., Raimjanov B.R., Ashurov B.N., Sattarov U.B. Obosnovanie primeneniya frezernogo kombaina Vermeer na zolotorudnom mestorozhdenii Yangikazgan [Justification for the application of a Vermeer surface miner at the Yangikazgan gold deposit]. Konchilik Mashinalari va Texnologiyalari. 2025;1(11):14–17. (in Russian).
  8. Bearman R.A., Bowman D.J., Dunne R. Decision support for ore sorting and preconcentration in gold applications. Mineral Processing and Extractive Metallurgy. 2020;129(3):140–151.
  9. Hoek E., Carter T.G., Diederichs M.S. Quantification of the Geological Strength Index chart. In: Proceedings of the 47th US Rock Mechanics / Geomechanics Symposium. San Francisco, CA, USA; 2013.
  10. Barton N. The influence of joint properties in modelling jointed rock masses. In: Proceedings of the 8th ISRM Congress. Tokyo, Japan; 1995. Vol. 1. pp. 1023–1032.
  11. Biswas P., Sinha R.K., Sen P. A review of state-of-the-art techniques for determination of optimum cut-off grade in surface mine planning. Resources Policy. 2023;85:103835.
  12. Vermeer Corporation. Vermeer T1255 III Direct Drive Surface Miner: Technical Specifications. Pella, IA: Vermeer Corporation; 2023. 20 p.

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