The article presents the results of studying the development of technogenic salinization of soil cover in the North Taiga landscape province using the example of the mining area of indigenous diamond deposits in the northeast of the Siberian Platform. The objects of research are postlithogenic soils – cryosols, technosols, anthropogenic-altered soils and man-made surface formations. The pH of the soils and the main cations and anions were determined in an aqueous extract of 1:5, the organic matter of the soil was determined by the photoelectric colorimetric method. The amount of toxic salts and the degree of salinity are calculated by binding ions into hypothetical salts. It has been established that the processes of technogenic salinization have acquired an areal character and are confined to mining and processing facilities of mining and processing plants. The chloride and sulfate-chloride types of salinization are confined to soils located in the affected area of tailings ponds. The soils near waste rock dumps are characterized by sulfate and chloride-sulfate salinization. The study area for the content of toxic salts is characterized mainly by a low degree of degradation with some areas of moderate and severe degree.
Shadrinova et al. (Tue,) studied this question.