现代地质2023，Vol.37Issue(6)：1680-1694,15.DOI:10.19657/j.geoscience.1000-8527.2023.118
湖南郴州丹霞地貌景观特征、成因及演化探讨
New Perspectives of the Features,Formation,and Evolution of the Special Danxia Landscape in Chenzhou,Hunan
摘要
Abstract
The Feitianshan-Gaoyiling area in Chenzhou(Hunan Province)is a prominent attraction in South China,known for its distinctive Danxia landform.Unlike typical Danxia landscapes,this area features distinct dome mounds.However,despite its social popularity and scientific value of its unique geomorphology,detailed studies on its geomorphological features,internal genetic mechanism,and evolution have long been overlooked.Through field investigations,we discovered that the Danxia landform in the Feitianshan-Gaoyiling area has seven geomorphological subtypes,including stone village,rock mound,Chibi,stone column,stone wall,cave,and linear trench.Notably,the eastern and western sides of the study area display distinct differences in the Danxia landscape.The eastern side is dominated by dome mounds and stone villages,where the structural strata com-prise of eolian desert-facies sandstone,characterized by significant eolian sedimentary structures such as giant staggered bedding,small-scale granular flow layers,and corrugated layers.Meanwhile,the western side of the area features a"top slope,steep slope,foot gentle"peak forest-type Danxia landscape,primarily composed of alluvial fan massive conglomerates.The variations in lithofacies types between the eastern and western sides are the main factors contributing to the diverse geomorphological forms,developed through multistage tectonic trans-formation,water erosion,weathering,and collapse in the Himalayan period.Using the analysis of the area ele-vation integral model(HI),we determined that the local Danxia landform is in the early residual hill stage of old age.Accordingly,we propose a three-stage landscape model of"sedimentation pregnant landscape-tectonic uplift landscaping-surface force carving landscape",to analyze the Danxia landform origin and enhance the brand connotation of Danxia scenic landforms.We aim to better understanding in the distinctive landscape of rock-like Danxia in the humid South China climatic region,and to provide scientific guidance and reference for the development and utilization of Cretaceous Danxia landform geological heritage in South China.关键词
风成沙漠相/丹霞地貌/飞天山—高椅岭景区/地貌演化/湖南郴州Key words
eolian desert facies/Danxia landscape/Feitianshan-Gaoyiling scenic area/landscape evolution/Chenzhou,Hunan Province分类
天文与地球科学引用本文复制引用
黄乐清,吴驰华,周丽芸,金妮,彭世良,胡能勇,杨长明,陈杰..湖南郴州丹霞地貌景观特征、成因及演化探讨[J].现代地质,2023,37(6):1680-1694,15.基金项目
湖南省自然科学基金项目"湖南衡阳-攸茶盆地白垩纪晚期沙漠沉积记录及古气候环境演化"(2021JJ30388) （2021JJ30388）
中国地质调查局古生物与地质环境演化湖北省重点实验室开放基金项目(PEL-202203) （PEL-202203）
湖南省地质院科研项目(HNG-STP202322) （HNG-STP202322）
湖南省创新型省份科普专题项目(2022ZK4207). （2022ZK4207）
