Theory and Utilization of Zhangshiyan Landform

Based on introducing the origins of the concept of Zhangshiyan landform in this paper,five features of Zhangshiyan landform,the geological background and ancient geographical environment and the slope development models of wedge-shaped lateral cutting and horizontal digging are discussed,as well as the developmental stages of Zhangshiyan landform are analyzed.The differences among the Zhangshiyan,Zhangjiajie and Danxia landforms are discussed from lithology,the start position of slope development,dynamic process,the basic framework,and landscape shape,and so on.At last,the development and utilization history of Zhangshiyan landform are reviewed and analysed.