| Summary: | Embarking on systematics, the formation mechanisms of Danxia landforms were explained from perspectives of human activities, geography, and climate. The formation mechanisms of Qiaoba-Zhongdu Danxia landforms in the research region were systematically discussed using theories and methods in sedimentology, paleo-climatology, tectono-dynamics, and surface process dynamics. Meanwhile, approaches such as remote-sensing imagery interpretation, rock and ore identification, geochemical analysis, and interpretation of seismic profiles were also adopted. Research results show that Qiaoba-Zhongdu Danxia landforms are in the mature stage of landform evolution. The formation process involves five stages including being bred by sedimentation, rendered by paleo-environmental conditions, landscaped by tectonism, carved by geomorphologic agents, and embellished by human activities.
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