摘要
新城金矿自 1 980年投产以来 ,相继关闭了 -3 0~ -1 2 0m共 5个中段 ,该文介绍有关这几个中段的关闭情况及所积累的经验。
There are 5 levels that have been closed since 1980,when Xin-cheng Gold Mine started production.They are-30m to -120m levels.The experience and situation about stopping the levels is introduced in the paper.
出处
《黄金》
CAS
北大核心
2000年第5期10-13,共4页
Gold
关键词
岩金矿山
地下开采
关闭中段
rock gold mine
underground mining
to shutdown the level
experience and lesson