Tading area of Qixia county is the only area where Jingshan Group contacts directly with Fenzishan Group by ductile nappe shear zone. High-alumima schists of the low part of Paleo Proterozoic Jingshan group thrust on different layers of Fenzishan Group. The development of ductile nappe shear zone is related to the obduction of South China Block towords North China Block during New Proterozoic according to the study on its geometry and dynamics. And with this obduction, the deep enclaves made a big oblique ...