招金
1.This paper focuses on the classification and control of the stability of the surrounding rocks of stopes and roadways on the background of Xiadian Gold Mine. The association method of actual measurement, theoretical analysis and numerical simulation is used to analyse and research the law.
2.There are same mineral resources and similar type ore deposits,but some differences in scale of ore deposit. On the east side occur large scale of the Zhaoyi type gold deposit,large crystal deposits of the Donhai type,also the Wafangdian diamond deposit and the Kuandian sapphire deposit in the southern Liaoning province;

