Satpaev Kazakh National Research Technical University, Almaty, Kazakhstan:

Zh. T. Kozhaev, Candidate for a Doctor’s Degree
M. A. Mukhamedgalieva, Senior Lecturer
B. B. Imansakipova, Doctor of Philosophical Sciences, imansakipova@mail.ru

Saint-Petersburg Mining University, Saint-Petersburg, Russia:

M. G. Mustafin, Doctor of Engineering Sciences

The article discusses the application of methods and technologies of the saceborn radar interferometry in the geoinformation systems for geomechanical monitoring of ore deposits. The geoinformation system proposed for the geomechanical monitoring (GISGM) of ground surface deformation in the area of a studied ore body contains basic moduli of:
– preliminary rock mass diagnostics;
– high-accuracy re-leveling;
– spaceborn radar interferometry;
– regional and local instrumental observations.
The research object is the site of Annensk Mine, being a part of Zhezkazgan copper ore deposit, where many-decades high-rate mining has generated wide areas of movement, subsidence and sink of the ground surface. Aimed to refine the technology for determining absolute values of movements in rocks, Annensk Mine site was subjected to satellite monitoring using differential interferometry. The reference space data were the history data on radar survey of Annensk Mine site using TerraSAR-X and COSMO-SkyMed radar satellites. The joint use of the spaceborn radar interferometry and terrestrial topographic and geodetic surveying offers the most efficient tool of prompt geomechanical montiroing, allowing for science-based decisionmaking on resumption of mining in the basins of rock mass movement within the limits of Annensk Mine field. The approach is also efficient and economic as it removes expensive survey operations from large-scale measurements. The resultant map of the ground surface movements, aside from the information about the presence and dimension of the ground surface deformation, puts wise about natural and mining-induced geodynamics and is useful for estimating environmental and geodynamic safety of mineral mining, as well for predicting emergency risks.

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