Flowing of underground water along faulted zones in marble eroded and corroded wall rocks and formed underground rivers, which finally created karst caves.

• 断裂带产生于大理岩之中，地下水沿断层破碎带运移，并对岩石进行浸蚀与溶蚀进而发育地下暗河，冲蚀加剧，最终形成今日看到的溶洞。