北干沟金矿急倾斜薄矿脉采矿方法优化选择

Optimization of mining method for steep dip and narrow vein in Bei-Gan-Gou Gold Mine

本文以怀柔县北干沟金矿为例，论述了开采急倾斜薄矿脉采矿方法的合理选择，并通过对三种采矿方法的技术经济指标比较，确定了各种采矿方法开采不同品位矿段的经济品位界限。

Taking Bei-Gan-Gou Gold Mine of Huairou County as example,this paper describe the optimization of mining method for steep dip and narrow vein. Making comparison among the technoeconomic indexes of 3 mining methods,the proper economical cut-off grades are determined,using due mining method to mine particular ore block of different grade.