Study on the Formation and Development of Xiaoyanwan Tiankeng in Xingwen World Geopark,Sichuan |
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| Authors: | SHU Cheng-qiang ZHANG Bin SHUI Wei JIANG Liang-qun LIU Lijun QIN Fa-chao |
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| Institution: | 1.Land and Resources College;China West Normal University;Nanchong 637002;China;2.Agricultural college;Sichuan Agricultural University;Ya' an 625014;China |
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| Abstract: | Chinese scholars Zhu xuewen put forward Tiankeng and defined it as a collapse feature which was diffe rent from the ordinary doline and developed in large-scale underground river channel.This paper analyzed the sasic conditions of Xiaoyanwan Tiankeng formation,such as sedimentary environment,climatic and hydrological conditions and so on;and deeply discussed the development course of Xiaoyanwan Tiankeng on this basis.The research result showed that Xiaoyanwan Tiankeng was completely accord with Tiankeng' de... |
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| Keywords: | Xiaoyanwan Tiankeng substantial cave river Formation Karst |
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