METHOD OF UNDERGROUND MINERAL MINING Russian patent published in 1998 - IPC

FIELD: mining industry, particular, mining of steeply dipping mineral beds. SUBSTANCE: the offered method includes development of mineral deposits by mine workings, preparation for mining, upward extraction of mineral by rill cut. After extraction of each layer, formed at its end is room with horizontal base for performance from this room of mineral extraction in the next inclined layer displaced in horizontal plane through the value equalling the layer width and extracted in opposite direction to the previous layer but at the same angle to horizontal plane. Extracted mineral is transported through vertical workings sunk on the joint of inclined layer and horizontal sections, worked-out space is filled. EFFECT: higher efficiency. 5 dwg