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Analysis reveals turbidity in spring waters with high sulfate levels, indicating oil pollution and weathering effects.
Turbidity of spring waters confined to sulfate-carbonate deposits of the Kungurian stage - P1kg represented by gypsum, anhydrite, limestone, dolomites is associated with the processes of physical and chemical weathering. As a result of the impact of the underground water flow on the weathering products, a supersaturated aqueous solution of gypsum with a high content of finely dispersed mineral fraction is formed, which manifests itself in the places of the outlet of turbidity of springs. Springs with turbidity are confined to areas of oil field development, where oil pollution is observed. A direct reaction occurs between sulfates and hydrocarbons dissolved in water with the participation of sulfate-reducing bacteria.
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Kilin et al. (2025) studied this question.
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