Abstract
The movement of solutions in waterless dry layers and the influence of irrigated rock on the radius the filtration flow and the nature of its saturation were established in the paper. The liquid flow curves were constructed for various distances from the source axis. The developed methodology of non-stationary filtration mode during underground leaching determined the filtration coefficients in laminar and turbulent modes. It is necessary to take into account the physical properties of both the rock mass and the filtered leaching solutions. Research has established that the shape of the spreading of solutions in the system of interaction between the injection and discharge wells (the edge boundaries of the streamline) must be considered as a rhombus, and the spreading angle is formed depending on the degree of clogging of the pore volume.
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