摘要
2 0世纪 80~ 90年代 ,新城金矿主要采用上向水平分层充填采矿法和无轨机械化盘区水平分层充填采矿法 ,回采较高品层的矿块。 - 430m中段属低品位矿块 ,在此中段试验了无轨机械化盘区点柱式充填采矿法 ,获得了极大的经济效益和社会效益 ,为-
In 80~90's,mining methods were mainly used that up wards level layer filling and trackless mechanisation panel level layer filling to mine higher quality mining block,-430m paragraph belongs to lower quality mining block,we attempted the mining method for trackless mechanisation panel pillar filling in this paragraph.Gained great econmic and social benefit,and fined a new mining path for lower quality mining block -430m paragraph.
出处
《黄金科学技术》
2002年第4期7-12,共6页
Gold Science and Technology