| China is a large karst country with rich karst resources.The karst landform in Yunnan Shilin(stone forest)and Chongqing Wulong are well-known.As a part of karst,red karst has a low popularity and little attention,and the relevant scientific research and tourism development are relatively immature.Therefore,taking the red karst developed in Liantang village,Jiangshan City,Zhejiang Province as the research object,this paper analyzes the characteristics and causes of red karst,comprehensively evaluates its landscape value,and puts forward development strategies and protection suggestions.The following three research results were obtained:(1)On the basis of field investigation and literature review,this paper makes a detailed investigation on the geographical overview,geological background and landscape characteristics of the red karst landform and its surrounding areas in Liantang village.The red karst in Liantang village was developed in the early Sinian carbonate rock stratum 690 million years ago.After the carbonate rock on the seabed was uplifted to the surface through crustal movement,it formed many forms such as solitary peaks,dikes,outbursts,pillars and so on under the action of water dissolution.The red karst in Liantang village has two most prominent characteristics: alternating red and white color and orderly concave convex shape.(2)Through XRF analysis and Mossbauer spectrum analysis of the collected samples.The concave rock is dolomitic limestone,and the convex rock is argillaceous dolomitic limestone.Due to the high silicon content of convex rock samples,it is not easy to be weathered,and rich in clay minerals,it is not easy to be dissolved,so it gradually protrudes over time to form an uneven shape.Mossbauer spectrum results show that the convex rock of red karst in Liantang village is rich in oxide iron,so it shows purplish red,and the concave rock and thick dolomite are rich in clay iron,so it shows cyan gray.(3)By constructing the evaluation index system and quantitatively evaluating the red karst in Liantang village with AHP analysis method,it is concluded that its geological relic value is high and its development and utilization conditions are weak.According to the evaluation results and the current situation and problems of landscape area development,targeted development strategies are put forward,including: maintaining existing resources and developing new resources;Strengthen management and infrastructure construction;Adopt the method of "Geology +" to create characteristic products;Strengthen publicity and improve popularity. |
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