摘要
凡口铅锌矿以矿石品位高而著称 ,但在东区 - 80m水平以下出现了部分低品位铅锌矿。文中针对如何合理开采这部分铅锌矿 ,提出了适应市场经济条件下的动态经济开采边界圈定方法 。
Fankou lead zinc mine is noted for its high grade ores,but the low grade ores take place in the east area below -80m.For reasonably mine this part of low grade lead zinc ores ,this paper advances the delimitation method of dynamic economic mining boundary to suit market economic conditions achieving much better effect.
出处
《黄金》
CAS
2003年第8期19-22,共4页
Gold
关键词
低品位矿石
保本品位
经济开采边界
经济效益
low grade ore
grade of profits balancing loss
economic mining boundary
economic benefit
