MINERALS DEPOSIT DEVELOPMENT METHOD Russian patent published in 1995 - IPC

FIELD: mining industry. SUBSTANCE: mineral panel prepared for mining is cut off the massif. Base ledges sloping toward the panel are formed in the panel and massif above the undercutting level. A receiving working is done, and a flat bottom is made level with its roof sloping toward the roof. Slant wells are drilled in the lower part of the panel, and some dispersant solution is injected into the wells. The base ledges are destroyed layer by layer, and the panel weight is redistributed to its central part. As a result, the minerals become plastic and flowing, and they are forced into the working. EFFECT: higher efficiency. 1 dwg