东昆仑阿斯哈金矿胶状黄铁矿成因及其成矿意义
梁改忠,杨奎锋,范宏瑞,李兴辉

Genesis of Colloidal Pyrite and Its Metallogenic Significance in Asiha Gold Deposit,East Kunlun
Gaizhong LIANG,Kuifeng YANG,Hongrui FAN,Xinghui LI
图3 阿斯哈金矿不同类型黄铁矿的反射光、背散射电子显微照片和手标本照片
(a)反射光下自形粗晶黄铁矿中含包体金;(b)反射光下毒砂中含包体金;(c)背散射照片中自形粗晶黄铁矿与毒砂、黄铜矿共生;(d)含胶状黄铁矿和自形粗晶黄铁矿的手标本;(e)反射光下胶状黄铁矿包裹早期自形结晶黄铁矿;(f)反射光下胶状黄铁矿中微量元素(红色)和硫同位素(黄色点)剥蚀点;(g)背散射照片中胶状黄铁矿特征;Py-早期结晶黄铁矿;Cpy-胶状黄铁矿;Ccp-黄铜矿;Gl-金;Apy-毒砂;Qtz-石英
Fig.3 Representative reflected-light and backscattered electron(BSE)micrographs and hand specimen photographs of different types of pyrite in Asiha gold deposit