FIELD: mining industry. SUBSTANCE: according to method, ore body is divided into stalls, seam is opened by producing bore-holes and extraction is performed by chambers using hydraulic giant units. Before cutting of each stall from ground surface, fertile course of soil is removed. Sincline created due to removing useful mineral and ground settling is filled with gobbling material consisting of concentration tailings and finally surface is covered with fertile soil course removed from ground surface above adjacent stall being worked. EFFECT: high efficiency.
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Authors
Dates
1997-08-10—Published
1995-04-17—Filed