Fig.5. HT3 composite anomaly profile 1—basalt of Emeishan formation;2—schist of the second member of Yangxin formation;3—limestone of the first member of Yangxin formation;4—limestone of the second member of the Qujing formation;5—carbonaceous slate of second member of Pojiao formation;6—diabase;7—geologic boundary;8—fault and attitude;9—exploratory trench and numbers;10—industrial ore bodies and numbers;11—low-grade ore bodies and numbers