万古金矿中碳质物的成因及其与金成矿的关系

张胜伟,邓腾,许德如,周岳强,董国军,李增华,马文,许可,海颜

Genesis of Carbonaceous Material in the Wangu Gold Deposit and Its Relationship with Gold Mineralization

Shengwei ZHANG,Teng DENG,Deru XU,Yueqiang ZHOU,Guojun DONG,Zenghua LI,Wen MA,Ke XU,Yan HAI

图4 万古金矿的野外、手标本、扫描电镜和显微照片 （a）碳质板岩与石英脉互层；（b）硫化物在碳质板岩和石英的边界分布；（c）扫描电镜显示分布在石英和云母的CM1颗粒；（d）扫描电镜显示自然金赋存在黄铁矿孔隙中；（e）层状CM2周围发育黄铁矿和毒砂等矿物（反射光）；（f）CM3在石英和菱铁矿等矿物的周围分布（反射光）；Qz-石英；Mca-云母；Py-黄铁矿；Sd-菱铁矿；Rt-金红石；Apy-毒砂；Au-金

Fig.4 Field，hand specimen，scanning electron microscope and micrograph of Wangu gold deposit