对老鸦岭深部矿体采矿方法的探讨

An Inquiry into Method of Mining in Lao Yaling Copper Mine

根据矿体赋存状态提出了 3个改进方案 :浅孔采矿与中深孔联合采矿 ;平行中深孔抛掷爆破采矿法 ;斜上山硐室扇形中深孔抛掷爆破采矿法 .

According to the occurrence morphology of orebody,three better mining methods are given as follows:combined method of mining shallow hole and moderate longhole;casting blast method of mining parallel moderate longhole and sector moderate longhole in the topple chamber.