本文着重阐述了东桐峪金矿8号脉的矿柱形态、回采方法,技术经济指标,并简述了矿柱回采的实施措施及经济效益情况。经过多年的生产实践证明,此种矿柱回采方案对东桐峪金矿8号脉矿柱的回采是适宜的,并且收到了较好的经济效益。 This paper emphatically expounds the ore column shape, recovery method, technical and economic indexes of No. 8 vein of Dongtongyu Gold Mine, and briefly describes the implementation measures and economic benefits of pillar recovery. After years of production practice has proved that the pillars mining program on the Dongtuyu gold mine No. 8 ore pillar is appropriate, and received good economic benefits.