摘要
实践表明 ,采用品位指标圈定矿体已不适应市场经济的需要。而用利润指标圈定矿体 ,既可尽可能多地回收矿产资源 ,又可获得最佳经济效益。文章以大冶铁矿龙洞采区为例 。
Practice has shown that using grade index to outline an orebody cann't meet the need of market economy,while using profit index can not only recover mineral resources as many as possible,but also achieve best economic benefit.With Longdong mining district in Daye Iron Mine as example,the concrete method is described.
出处
《金属矿山》
CAS
北大核心
2001年第8期5-8,共4页
Metal Mine