西昆仑塔什库尔干赞坎铁矿成矿物质来源的锶钕同位素约束 |
周振菊,陈衍景,汤好书,吴艳爽,陈正乐 |
Sr-Nd Isotope Constraints on the Source of Ore-forming Elements of Zankan Iron Deposit in the Taxkorgan Terrane of West Kunlun Orogen |
Zhenju ZHOU,Yanjing CHEN,Haoshu TANG,Yanshuang WU,Zhengle CHEN |
图5 赞坎铁矿矿石矿物组构特征 (a)磁铁矿呈自形—半自形晶(反射光);(b)他形黄铁矿与磁铁矿共生(反射光);(c)磁铁矿与石膏共生(正交偏光);(d)磁黄铁矿呈半自形粒状,磁黄铁矿与黄铁矿共生(反射光);(e)磁黄铁矿交代磁铁矿,黄铜矿交代磁黄铁矿(反射光);(f)黄铁矿交代磁铁矿,而后又被黄铜矿交代(反射光) Anh-石膏;Bi-黑云母;Cpy-黄铜矿;Mag-磁铁矿;Ms-白云母;Po-磁黄铁矿;Py-黄铁矿;Qz-石英 |
Fig.5 |