Rock dike inserted into quartz sandstone and was then weathered and denuded to form a precipice .
Rock dike inserted into quartz sandstone and was then weathered and denuded to form a precipice .
石英砂岩受岩脉穿插，岩脉被风化剥蚀后形成绝壁。
Rock dike inserted into quartz sandstone and was then weathered and denuded to form a precipice .
石英砂岩受岩脉穿插，岩脉被风化剥蚀后形成绝壁。