摘要
文章结合露天开采的特点和仓上金矿的生产实际,改变了边界品位指标,计算了品位指标变动后的各级储量,并对边界品位指标变动后的经济效益进行了概算。
Combining the openpit mining characters and the practical production condition of Cangshang gold mine the boundary grade indexes are changed,the reserve of every class is calculated and the economic profit is estimated after the boundary grade indexes are changed.
出处
《山东冶金》
CAS
1999年第1期35-37,共3页
Shandong Metallurgy
关键词
金矿床
品位指标
经济效益
边界品位
gold ore deposit,grade indexes, reserve,leanness ratio of ore,percentage loss of ore