西藏甲玛超大型斑岩成矿系统找矿方向

杨征坤,行天纬,张忠坤,林彬,唐攀,赫健,次真白桑,焦海军,杨阳,吴纯能,吴鑫

Prospecting Direction of Jiama Super-large Porphyry Metallogenic System in Tibet

Zhengkun YANG,Tianwei XING,Zhongkun ZHANG,Bin LIN,Pan TANG,Jian HE,Zhengbaisang CI,Haijun JIAO,Yang YANG,Chunneng WU,Xin WU

图6 甲玛斑岩成矿系统模型示意图[14] 1.碎屑岩；2.碳酸盐岩；3.火山岩；4.冈底斯花岗岩（50 Ma±）；5.早期矿化玢岩；6.晚期矿化斑岩；7.柱状裂隙系统；8.岩浆—热液角砾岩；9.钾化带；10.绢英岩化带；11.青磐岩化带；12.泥化带；13.远端矽卡岩型Au；14.远端矽卡岩型Pb-Zn±Cu±Au±Ag；15.中端矽卡岩型Cu±Mo±Au±Ag；16.近端矽卡岩型Cu-Mo±Au±Ag

Fig.6 Schematic model of Jiama porphyry metallogenic system[14]