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Effect of soil-rock system on speleothems weathering in Bailong Cave, Yunnan Province, China
Bailong Cave with its well-developed Middle Triassic calcareous dolomite's system was opened as a show cave for visitors in 1988. The speleothem scenery has been strongly weathered as white powder on the outer layers. Study of the cave winds, permeability of soil-rock system and the chemical compositions of the dripping water indicated: (1) The cave dimension structure distinctively affects the cave winds, which were stronger at narrow places. (2) Based on the different soil grain size distribution, clay was the highest in composition in the soil. The response sense of dripping water to the rainwater percolation was slow. The density of joints and other openings in dolomite make the dolomite as mesh seepage body forming piles of thin and high columns and stalactites. (3) Study of 9 dripping water samples by HYDROWIN computer program showed that the major mineral in the water was dolomite.
作 者： WANG Jing SONG Lin-hua 作者单位： WANG Jing(Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;Institute of Tourism, Beij ing Union University, Beijing 100101, China)SONG Lin-hua(Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China)
刊 名： 浙江大学学报B（英文版） SCI 英文刊名： JOURNAL OF ZHEJIANG UNIVERSITY(SCIENCE) 年，卷(期)： 2005 6B(3) 分类号： P931.5 关键词： Soil-rock system Weathering Cave wind Permeability Dripping water【Effect of soil-rock system on speleo】相关文章：
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