胶东三山岛金矿床巨斑花岗岩的形成时代、成因及对金成矿的启示

周晓萍,宋明春,刘向东,闫春明,胡兆君,苏海岗,胡秉谦,周宜康

Formation Age，Petrogenesis，and Implications for Gold Mineralization of Giant Porphyritic Granite in the Sanshandao Gold Deposit in Jiaodong

Xiaoping ZHOU,Mingchun SONG,Xiangdong LIU,Chunming YAN,Zhaojun HU,Haigang SU,Bingqian HU,Yikang ZHOU

图2 三山岛巨斑花岗岩野外及显微镜下特征 （a）巨斑花岗岩野外照片；（b）、（c）钾长石斑晶包含结构；（d）弱绢英岩化蚀变Q-石英；Pl-斜长石；Kfs-钾长石；Mc-微斜长石；Ms-白云母；Ser-绢云母

Fig.2 Field and microscopic characteristics of Sanshandao giant porphyritic granite