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老挝巴勉石英脉型金矿石工艺矿物学研究
郭彩莲(),牛芳银,陈炳龙,王海军
Process Mineralogy of Quartz Vein Gold Ore in Bamian,Laos
Cailian GUO(),Fangyin NIU,Binglong CHEN,Haijun WANG

图2. 自然金能谱分析图

Fig.2. Analysis diagram of energy spectrum of natural gold