摘要
东桐峪金矿,根据多年生产实践经验,对普通全面留矿法进行了改进,采用了电耙式底部结构的全面留矿法,取得了较好的经济效果。
Based on operating practice over the years,an improvement of bottom structure for room-and-irregular pillar shrinkage stoping in Dong-Tong-Yu Gold Mine was reached. The bottom structure of scraper drift type was opted with better result
出处
《黄金》
CAS
北大核心
1991年第4期7-10,共4页
Gold
关键词
金矿
全面留矿法
底部结构
采矿
Dong-Tong-Yu Gold Mine
bottom structure
room-and-irregular pillar shrinkage stoping
dip narrow vein