该区经历了5次大的构造运动，构成了8个构造演化阶段，形成了褶皱山、残丘山与断块山共存的复式褶皱带。
This area has experienced five tectonic movements which can be divided into eight structural evolutional stages , formed multiply fold-belt that the fold hill coexisted with hammock hill and fault-block hill .
褶皱山