石人嶂钨矿床云英岩型矿化及其研究意义  

Mineralization of greisen and its research significance in Shirenzhang Tungsten Deposit

作　　者：王莉[1] 孔凡乾 韦龙明[1] 赵霞[1] 王潇潇[1] 覃日贤[2] 

机构地区：[1]桂林理工大学地球科学学院,广西桂林541004 [2]湖南省地质矿产勘查开发局四〇五队,湖南吉首416000

出　　处：《有色金属（矿山部分）》2014年第4期47-51,57,共6页NONFERROUS METALS(Mining Section）

基　　金：国家"深部探测计划研究专项(SinoProbe)"(SinoProbe-03-01);全国危机矿山接替资源勘查专项(20109908-1);广西地质工程中心重点实验室基金项目(11-031-20-1)

摘　　要：石人嶂石英脉型钨矿脉旁侧的云英岩有很强的多金属矿化。通过电子探针和扫描电镜能谱分析发现,云英岩中银平均含量为309.22×10-6,达到了综合利用的伴生银品位要求,Mo、Cu、Sn等元素含量也很高;云英岩中放射性元素含量[U(24.14×10-6),Th(46.30×10-6)]远大于花岗岩和石英脉中放射性元素的含量,呈现出了放射性元素富集的现象;云英岩的刻槽取样分析,进一步说明了云英岩化对矿化的重要作用。In recent years, strongly polymetallic mineralization is found in greisen beside the quartz vein type tungsten in Shirenzhang. By means of energy dispersive spectrum analysis with electron probe and scanning electron microscop, it＇s found that silver content in greisen is an average of 309.22 × 10^-6 , which achieves the tenor require- ments of associated silver for comprehensive utilization. Mo, Cu, Sn and other elements contents are also very high. Radioactive elements contents（U（24.14 × 10^-6）, Th（46.30 ×10^- 6 ）） in greisen are far greater than that in granite and quartz vein, showing the phenomenon of radioactive elements enrichment. The channel sampling analysis of greisen further illustrates that greisenization plays a significant role in mineralization.

关 键 词：云英岩 矿化特征 石人嶂钨矿床 

分 类 号：TD15[矿业工程—矿山地质测量]