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30-Dacaokou tiankeng and Xiaocaokou tiankeng

2015-03-25 20:30 | Author:gzzjd | Reading:amount |

They develop in pairs in the downstream of Qijiehe River. Qijiehe River runs from southwest and goes towards northeast and then flows to underground eventually. They are surrounded by precipice and steep cliff with the height of 265-330m. At the Tiankeng bottom, plants grow luxuriantly, and many animals such as birds, frogs and butterflies can be found. In tiankeng, there are many scenic spots like Tiangu natural bridge, Dacaokou precipice, triangular facet, and Dacaokou karst breccia stratum, etc.. Tiangu Natural Bridge is the boundary of two tiankengs.
说明: E:\贵州织金洞世界地质公园申报材料编制2013-04-26\2013-07-28生成图件\大小槽口天坑.jpg
Dacaokou Tiankeng and Xiaocaokou Tiankeng (according to He Wei, Li Bo, et al., 2011)

Main development parameters of Dacaokou tiankeng and Xiaocaokou tiankeng
Name of Tiankeng Development stratum Entrance form Elevation of the bottom (m) Entrance diameter
(m)
Entrance area
(m2)
Max. depth
(m)
Min. depth
(m)
Total capacity (M m3) Level/Genetic type
Dacaokou T1yn1 Long strip shape 1000.5 905X370 226800 330 265 55.65 Super-large/collapse pit
Xiaocaokou T1yn1 Ellipse 1080 325X180 45925 220 205 8.91 Large/collapse pit
 
 

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