摘要
广东高要河台金矿投产14年,投产初期由于采矿技术及生产管理等因素,使回采后的中段留下一些品位较高的矿柱与边角残矿。1997年开始回收,5年来平均每年采出金属量约80kg,占年产金量5%~10%,作为矿山产量的补充,对回收资源、延长矿山寿命与提高企业效益均产生积极作用。
Hetai Gold Mine has been put into production for 14 years. In the early production, there are some high grade pillar and remnant ore remained in stoping because of mining technology and production management. Every year produced gold has been 80kg since 1997, which is 5%~10% of total output. Being supplement of mine production, which benefit to recover resource, prolong mine's life span and improve enterprise profit.
出处
《有色矿山》
2003年第2期6-9,共4页
Nonferrous Mines
关键词
岩金矿山
残矿资源
二次开采
vein gold mine
remnant ore resource
secondary production recovery