Complex of Geophysical Research for Studying Geological Structure of Zhezkazgan Ore Region in Kazakhstan

Aidarbekov, Zh.K.; Истекова, С.А.; Glass, Hylke J.

doi:10.3997/2214-4609.202152070

Cited by 3 publications

(2 citation statements)

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“…Then, to make management decisions on levelling the technological production for elimination of environmental impacts, it is necessary to simulate geomechanical processes based on the data obtained from geophysical surveys, thereby ensuring safe mining of a mineral deposit in an open, underground, and combined way without any financial losses [9], [10]. During the deposit development, the geomechanical processes taking place in the rock mass as a result of technogenic impact of mining, along with instrumental geodetic studies, must also be investigated using aerospace and geophysical methods, since instrumental geodetic methods give only quantitative estimates of displacements that have already occurred, but their initial origin can be controlled by geophysical methods [11].…”

Section: Introductionmentioning

confidence: 99%

Improving a geophysical method to determine the boundaries of ore-bearing rocks considering certain tectonic disturbances

Kassymkanova¹,

Истекова²,

Rysbekov³

et al. 2023

Min. miner. depos.

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Purpose is to improve a geophysical method of determining the boundaries of ore-bearing rocks and tectonic disturbances under complex mining and geological conditions while developing 3D geological models. Methods. 3D geological models of natural objects were developed on the basis of complex structural, geological-geophysical, and lithological facies analysis with the wide use of modern 3D seismic exploration technologies taking into consideration the parameters for prediction and selection of optimal factors for ore deposit development. Findings. The scientifically substantiated result is represented by the increased reliability and efficiency of seismic exploration for singling out the ore horizons and ore bodies as well as tectonic disturbances at different depths by specifying geological structures of the prospective areas and sites under study. Originality. Basing on the carried out studies, methods of the development of 3D geological models to study depth geological inhomogeneities of the ore-bearing complexes under complex mining and geological conditions were improved. Practical implications. The obtained results of 3D modelling of geological media basing on the applied 3D seismic exploration will help increase a confidence factor of scientifically substantiated prediction of ore deposits, provide optimal development of complex ore objects, reduce risks, and increase economic efficiency of solid deposit development under complex mining and geological conditions.

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Section: Introductionmentioning

confidence: 99%

Improving a geophysical method to determine the boundaries of ore-bearing rocks considering certain tectonic disturbances

Kassymkanova¹,

Истекова²,

Rysbekov³

et al. 2023

Min. miner. depos.

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“…Kazakhstan is a large raremetal province since its subsurface contains the main reserves of wolfram, mo lybdenum, and other rare metals. The key raremetal deposits, being of industrial importance, are within the territory of Cen tral Kazakhstan too [1,2]. They include greisenquartz vein deposits Verkhniy Kayrakty (wolfram), Koktenkol (molybde num), and large stockwork deposits Baynazar, Batystau, Seltey, Yuzhny Zhaur, Zhanet and others.…”

mentioning

confidence: 99%

Geophysical indicators of rare-metal ore content of Akmai-Katpar ore zone (Central Kazakhstan)

Ablessenova,

Issayeva,

Togizov

et al. 2023

Nauk. visn. nat. hirn. univ.

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Purpose. Identification of geophysical criteria to determine ore content indicators within the territory relying upon systematization of both geological and geophysical materials. Methodology. The research involved innovative techniques used in the field of geology, i.e. GIS technology, and such theoretical scientific approaches as analysis and synthesis of petrophysical data, and data of geophysical anomalies in the context of the analyzed ore zone. Findings. Petrophysical characteristics of Akmai-Katpar ore zone rocks have been generalized and systematized. Petrophysical model of the ore zone has been developed; changes in petrophysical rock characteristics have been defined in terms of Silurian, Devonian, Carboniferous, and Permian systems. The obtained parameters of the petrophysical model are integrated with the identified geophysical anomalies. Geophysical indicators of ore content of the rare-metal ore zone have been determined. Cartographic documents have been specified which made it possible to perform layer-by-layer mapping of Akmai-Katpar ore zone. Originality. For the first time, the systematized geological and petrophysical materials have been applied to build the petrophysical model of Akmai-Katpar ore zone and improve geophysical forecasting criteria. Practical value. It consists in the use of geophysical forecasting criteria while identifying prospective areas where rare metals occur.

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Investigation of the rock mass state in the near-wall part of the quarry and its stability management

Saik,

Rysbekov,

Kassymkanova

et al. 2024

Front. Earth Sci.

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Introduction: The research is aimed to identify the vulnerable areas of quarry slopes through the creation of a stress-strain state model for the rock mass at the Vostochny quarry, East Saryoba field of the Zhi-landy Group of cupriferous sandstones, as well as their subsequent strengthening.Methods: The research is based on the development of a database containing information on mining-geological, geophysical, geodetic and aerospace surveys. The authors of the research use modern geodetic, aerospace and geophysical technologies for scientifically based predicting of technogenic disasters and the rock mass stress-strain state modeling to ensure safe and optimal mining of fields in difficult mining-geological conditions.Results: The results obtained show that the strengthening of weakened quarry slopes based on the rock mass stress-strain state modeling contributes to the scientific-practical profitability of field mining and provides safe mining in difficult mining-geological conditions.Discussion: Novelty is in the scientific substantiation of the method for strengthening quarry slopes, which is based on the rock mass stress-strain state modeling. The research is of great practical importance, as the rock mass stress-strain state modeling increases the reliability of predicting the rock mass state during its mining. Strengthening of quarry slopes using the proposed method reduces risks and increases safety and economic efficiency of mining the solid mineral deposits in difficult mining-geological conditions.

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Complex of Geophysical Research for Studying Geological Structure of Zhezkazgan Ore Region in Kazakhstan

Cited by 3 publications

References 0 publications

Improving a geophysical method to determine the boundaries of ore-bearing rocks considering certain tectonic disturbances

Improving a geophysical method to determine the boundaries of ore-bearing rocks considering certain tectonic disturbances

Geophysical indicators of rare-metal ore content of Akmai-Katpar ore zone (Central Kazakhstan)

Investigation of the rock mass state in the near-wall part of the quarry and its stability management

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