Karst cave, an important component of karst geomorphology, is formed by geological agent corrosion, erosion and collapse.
喀斯特洞穴是喀斯特地貌的重要组成部分，在地质营力溶蚀，侵蚀和崩塌作用下形成。
2
Because of the special geomorphology in areas of shallow overburden, it is difficult to delimit the boundary between mapping units in regional geological mapping.
由于浅覆盖区的特殊地貌，给区域地质填图带来一定的困难。
3
The development of Guangxi karst geomorphology, with long geological history, was basically under tropical or subtropical environment, so it belongs to tropical karst geomorphology.