FIELD: mining industry, particularly for underground mining of potassium salt deposit.
SUBSTANCE: method involves determining waterproof formation thickness and composition, waterproof formation roof thickness and composition, thickness and lithologic-and-facies composition of stratum above salt layer, firstly for rock directly overlapping waterproof formation, parameters of hydrogeochemical structure and zones of supergene conversion of stratum above salt layer, parameters of hydrodynamic structure of stratum above salt layer, characteristics of aquifer complex above salt layer, namely filtration, hydrochemical ones, as well as forming and unloading conditions; performing zoning of all mine fields on the base of above investigations, wherein the zoning is carried out according to degree of hydrogeological protection of waterproof formation roof; establishing sequence and parameters of productive potassium salt deposit mining.
EFFECT: prevention of potassium mine flooding and losses in emergency.
1 dwg, 1 ex
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