METHOD OF UNDERGROUND MINING OF THICK FLAT DEPOSITS OF LOW-HARDNESS ORES Russian patent published in 2002 - IPC

Abstract RU 2184850 C1

FIELD: mining industry; mining of thick flat deposits of valuable and medium value ores of low hardness. SUBSTANCE: method includes working of chambers in panels by vertical cylindrical holes of large diameter with gravitation delivery of ore. Chambers in panel are worked in two stages with subsequent filling of them with fill material. Holes are drilled with spacing equal to 2/3 of their diameter. EFFECT: highly efficient continuous technology of ore mining with high coefficient of ore recovery. 2 dwg

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RU 2 184 850 C1

Authors

Minaev D.Ju.

Minaev Ju.L.

Dates

2002-07-10Published

2000-12-08Filed