西秦岭寨上金矿床构造控矿特征与成矿规律

张斌,刘家军

Characteristics of the Ore-control Structure in the Zhaishang Gold Deposit in Western Qinling Region

Bin ZHANG,Jiajun LIU

图9 蚀变闪长玢岩露头及镜下显微照片（据孟五一[11]） （a）闪长玢岩小露头；（b）闪长玢岩手标本；（c）单偏镜下闪长玢岩；（d）正交光下闪长玢岩

Fig.9 Outcrop and microscopic micrograph of altered diorite porphyrite（modified after Meng[11]）