Abstract
The results of GNSS observations in the area of protected objects in the mining influence zone are presented. For research, the Northwest section of the Tashtagol iron ore deposit was selected. This is the largest field in the Mountain Shoria. Directly in the area of the mine there is a sinkhole. This makes monitoring difficult. An analysis of the displacements of the earth's surface under anthropogenic im-pact is carried out. The finite element method and the model of locally uniform deformation of a triangular finite element were used. Surfer and Elcut software packages were used to determine the parameters of the deformation fields and their visualization. The article shows the change in shape and boundary, displacement and dilatation fields, deformation field along the x axis and deformation field along the y axis. The research results will help to substantiate an expert assessment of the geodynamic situation of the Tashtagol iron ore deposit at present and to make a reasonable forecast of the deformation situation of the deposit territory. This justifies the relevance of regularly conducted geodetic observations, which are also of environmental importance and industrial safety.
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