DEPOSIT DEVELOPMENT METHOD Russian patent published in 1995 - IPC

FIELD: mining industry. SUBSTANCE: mineral panel prepared for mining is cut off the massif. Supporting ledges are done in the panel and massif above the undercutting horizon. The ledges slope toward the panel. Horizontal wells are drilled in the lower part of the panel, and dispersant solution is injected into the wells. The ledges are destroyed, and the weight of the panel is redistributed to its central part. The mineral layer having been exposed to the dispersant solution is destroyed, and the broken mineral is taken from the outlet workings. EFFECT: higher efficiency. 4 cl, 1 dwg