Mining areas are characterized by significant changes in the natural environment. Extraction of large volumes of minerals and ore-bearing rocks, as well as underground water from the subsurface disturbs the natural conditions of rock occurrence, promotes the development of complex physical, chemical and engineering-geological processes and phenomena in the Earth's crust.
Coal seams subject to cleavage, there are almost in all coal basins, including Donetsk. The nature of cleavage and the causes that caused it, studied by many researchers. G.F. Krasheninnikov reduced the morphological types of wedging thick coal seams to the following main cases: 1) seam, gradually thinning, wedges out; 2) cleavage bundle; 3) cleavage with the upper seam; 4) cleavage with the lower seam. ...
