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Types and spatial combinations of Danxia landform of Fangyan in Zhejiang Province
Authors:OUYANG Jie  ZHU Cheng  PENG Hua  YU Jinbiao  LI Lan  ZHOU Riliang  ZHANG Guangsheng  ZHU Guangyao  LI Zhongxuan  ZHONG Yishun  ZHU Qing  LV Wen  HU Yongqi  ZHENG Chaogui  LV Zhenrong  HU Chang  WU Honglin  XU Longsheng
Abstract:The prominent types of Danxia landform in Fangyan include enclosed valleys, mesas, peaks, stone columns and grooves etc. Their spatial combinations have regular configurations along the northwest–southeast direction: typical grooves and caves are located in the northwestern Wufengshuyuan mainly; abundant fresh collapsed stones may be observed in central Jimingfeng and Taohuafeng; stone drums and stone columns are in the southeastern Shiguliao particularly; enclosed valleys are encircling joints of peaks and plains from three directions east, west, and south. Their spatial combinations reflect that the developments of Danxia landform have undergone stages of geomorphic cyclical erosion in the form of weathering, collapse, transportation, sedimentation and other processes, together with the “sculpture” of external forces mainly as tectonic uplift. The picturesque Danxia landform began its formation at that point. Danxia landform developed mainly in the strata of Fangyan Formation (K1f) caused by the alluvial fan-braided river phase of anterior fan in the late period of the Early Cretaceous. Regular patterns of weathering of stones and features of braided alluvial phase sediments may be verified by the analysis of three groups of experimental data. Danxia landform of Fangyan is a unique representative of the “adolescent” development type in the application of the World Natural Heritages status in China, by virtue of its outstanding universal aesthetic and scientific value.
Keywords:Fangyan of Zhejiang Province  Danxia landform  Fangyan Formation (K1f)
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