【摘 要】
:
国外岩金矿山露天开采刍议张亚林李平郭向华焦建团(黑龙江乌拉嘎金矿)(冶金工业部长春黄金设计院)1引言岩金矿山露天开采比地下开采具有生产能力大,作业条件好,损失贫化率低,达产时间
【机 构】
:
黑龙江乌拉嘎金矿,冶金工业部长春黄金设计院
论文部分内容阅读
国外岩金矿山露天开采刍议张亚林李平郭向华焦建团(黑龙江乌拉嘎金矿)(冶金工业部长春黄金设计院)1引言岩金矿山露天开采比地下开采具有生产能力大,作业条件好,损失贫化率低,达产时间短和采矿成本低等优点。所以,在国外黄金行业中早已被引起重视。以美国和澳大利...
Discussion on Opencasting of Rock and Mineral in Foreign Rocks Zhang Yalin Li Ping Guo Xianghua Jiao Jianqun (Wulaga Gold Mine, Heilongjiang Province) (Changchun Gold Design Institute, Ministry of Metallurgical Industry) 1 Introduction Open pit mining of rock gold mine is more effective than underground mining in terms of production capacity, good working conditions, Low rate, short production time and low cost of mining. Therefore, in the foreign gold industry has long been taken seriously. With the United States and Australia ...
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