东桐峪金矿8号脉矿柱的回采

Pillar recovery of orebody no. 8 at East-Tongyu Gold Mine

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 described the shap,e of pillar, the pillar method and technical economic index at orebody no. 8 of East-Tongyu Gold Mine, also, briefly introduced the economic benefit carrying on by pillar extraction method. A long-term practice has proved that the pillar extraction method is suitable not only for the recovery of orebody no. 8 in this mine but also achieves better economic effects.