胶东夏甸金矿床成因：流体包裹体及同位素证据

李逸凡,李洪奎,韩学林,耿科,张玉波,陈国栋

Genesis of Xiadian Gold Deposit in Jiaodong：Evidence from Fluid Inclusions and Isotopes

Yifan LI,Hongkui LI,Xuelin HAN,Ke GENG,Yubo ZHANG,Guodong CHEN

图3 含金黄铁矿石英脉流体包裹体显微照片 （a）被黄铁矿包围的石英中含较多两相和三相H2O-CO2包裹体；（b）流体包裹体大小一般为5~10 μm，呈浑圆、椭圆、豆荚和负晶形等形状；（c）混浊—半透明石英（QzI），含有极细小的单液相、两相H2O±CO2包裹体，大小多在3 μm以下；石英（QzII）裂隙中分布有富气相、富液相H2O±CO2包裹体和单液相H2O包裹体，大小多为1~5 μm；（d）混浊—半透明石英的放大照 Qz-石英；Py-黄铁矿；Ser-绢云母

Fig.3 Micrograph of fluid inclusion containing gold ore vein