In order to solve the problem about lack of tailings for back-filling in Xinhui Gold Mine, the technology on mining of tailings in open pit for underground stope back-filling is investigated.

• 为解决鑫汇金矿矿山充填尾砂不足和减轻尾砂对环境的污染,研究将原堆放于露天坑的尾砂采出充填井下采场的工艺。