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CLC number: P931.5
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Received: 2003-11-19
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Effect of soil-rock system on speleothems weathering in Bailong Cave, Yunnan Province, China
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WANG Jing, SONG Lin-hua. Effect of soil-rock system on speleothems weathering in Bailong Cave, Yunnan Province, China[J]. Journal of Zhejiang University Science B, 2005, 6(3): 202-207.
@article{title="Effect of soil-rock system on speleothems weathering in Bailong Cave, Yunnan Province, China",
author="WANG Jing, SONG Lin-hua",
journal="Journal of Zhejiang University Science B",
volume="6",
number="3",
pages="202-207",
year="2005",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2005.B0202"
}
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%T Effect of soil-rock system on speleothems weathering in Bailong Cave, Yunnan Province, China
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%A SONG Lin-hua
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2005.B0202
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A1 - WANG Jing
A1 - SONG Lin-hua
J0 - Journal of Zhejiang University Science B
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Y1 - 2005
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2005.B0202
Abstract: 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.
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