Abstract
The Xinjiang basin’s tectonic site properly on the suture where the two plates of Yangtze and Cathaysia collided. It had suffered an evolution history from rift basin to fault basin affected by Movement of Pacific Block since Mesozoic and had deposited a set of huge thick bedded terrestrial facies fragmentary system. There developed amount of Danxia Landforms in the basin with the effects of exogenic geological process. Cavernous weathering is the common phenomenon in Danxia Landform areas. The evolution of Danxia cave is controlled by lithologic characters, cleavages and fissures. The siltstone and sandstone and pebbled sandstone interlayers of Upper Cretaceous Chongan Formation are the principal stratigraphic position of forming the caves. It is considered that the devolvement of the caves in the surveyed area frequently results from the synthetic action of multifold external powers, just as the weathering denudation, water currents, and gravitational force.
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