METHOD FOR DEVELOPING A STOCKWORK TYPE DEPOSIT Russian patent published in 2021 - IPC E21C41/00 

FIELD: mining industry.

SUBSTANCE: invention relates to the mining industry and can be used for the development of complex-structure deposits of the stockwork type, containing ores of various grades and types. The method includes identifying zones with different contents of the useful component, drilling the ore massif, placing explosive charges in wells and blasting them. In the area of ​​contact of rich ores with ordinary ores, double wells are drilled to ensure an increased degree of crushing. Ordinary ore from the contact area is selectively recovered by a front-end loader with a partial grasp of the rich ore, excluding the admixing of the ordinary ore to the main part of the rich ore. The resulting mixed ore mass is impregnated with a concentrated solution of a complexing agent and used for stacking in the lower part of a pile for heap leaching, followed by pouring refractory lean ore onto the mixed ore mass, impregnated with concentrated electrophotoactivated solutions with oxidizing agents that reduce persistence. The main part of the separately mined rich ore is mixed in the form of a slurry with the main part of the run-of-mine ore after separate crushing and grinding for further processing at the concentration plant. Lean non-refractory ore is stacked separately and processed by heap leaching.

EFFECT: increasing productivity and technological efficiency, increasing the stability of the quality characteristics of ore supplied for processing, reducing the cost of ore blending in warehouses and increasing the recovery of a useful component during subsequent processing.

1 cl, 2 dwg