Feasibility of Border Ores Recovery of Open-pit Mines Closed
Zheng Changli Gao Qingrong(Lunan Mining Co.Ltd., Laiwu Iron & Steel Group)
The recovery method of border ores and residual ores at the bottom of open-pit mines closed is briefly analyzed, i.e. the mining method combining the open-pit mining with the underground mining.The feasibility of the border ores recovery of the open-pit mines closed is expounded.
【CateGory Index】： TD861