滇西北烂泥塘斑岩铜金矿床铁氧化物LA-ICP-MS微量元素特征及其地质意义

郭剑衡,冷成彪,张兴春,张伟,尹崇军,张陆佳,田振东

Trace Elemental Compositions of Iron Oxides from the Lannitang Porphyry Cu-Au Deposit in the Zhongdian Region (Northwest) and the Geological Significances：A LA-ICP-MS Study

Jianheng GUO,Chengbiao LENG,Xingchun ZHANG,Wei ZHANG,Chongjun YIN,Lujia ZHANG,Zhendong TIAN

图4 烂泥塘斑岩铜金矿床不同矿化阶段代表性样品照片 （a）硫化物脉切穿单一磁铁矿脉，磁铁矿—石英脉切穿磁铁矿和硫化物脉；（b）磁铁矿—石英硫化物脉切穿磁铁矿脉；（c）后期白云石石英脉切穿磁铁矿脉；（d）白云石—石英—黄铜矿粗脉；（e）黄铜矿—石膏角砾被后期白云石—石英脉所包裹；（f）镜铁矿存在于晚期白云石—石英—石膏脉之中

Fig.4 Photos of some representative ore samples at different mineralization stages from the Lannitang porphyry Cu-Au deposit