dong Boniukeng - 伯牛坑

Détail


Nom de la grotte : Boniukeng - 伯牛坑
Autres noms : Boniutiankeng
Province, Préfecture, District :
Shaanxi 陕西省, Hanzhong Diqu 汉中, Nanzheng xian 南郑县
Latitude Nord - Longitude Est :
32.789263 - 107.024616
Altitude (m) : 0
Développement (m) : 2 699
Profondeur (m) : 326
Profondeur - / + (m) : 326 /
Volume (m3) :
1Entrée : Boniukeng 伯牛坑,

Carte



Description 1



4.2. Boniukeng (length: 1,386 m; depth: -186 m)

This cave starts at the base of a large collapse doline of 80 × 50 m in size and 80 m of depth. A relatively large passage continues in both directions, following the underground stream (lower part with passages 2–20 m high and 2–5 m wide) and against the stream (upper part with passages 2–30 m high and 2–5 m wide). The lower part is technically difficult with small but deep lakes and steep steps up to 17 m high. The passage continues towards the unknown cave space.

The upper part consists of a passage (lately branching) of decreasing size from 15 × 30 m up to 1 × 8 m (width × height). Several chimneys were found there up to 70 m high. A fossil level with some artificial artifacts was found in this part of the cave.

Zdenek Motycka, Michal Filippi, Zhang Yuanhai (2017)
Cave Exploration In Xiaonanhai Karst Area, Shaanxi Province, China p.330-333
Moore K., White S. (Eds), 2017. Proceedings of the 17th International Congress of Speleology (Ed. 2), July 23–29, Sydney, NSW Australia
Volume 1, Australian Speleological Federation Inc. Sydney. Vol 1.

Analyse :
Description de la zone et des principales cavité explorées durant les deux expéditions (2016) Shaanxi project organisé par Czech Speleological Society, Institute of Geology of the Czech Academy of Sciences, Institute of Karst Geology, Chinese Academy of Geological Sciences. 1 carte, 5 topos, 4 photos. 7 km of new caves were explored and surveyed. Guanyindong (3024 ; -445), Boniukeng (1386 ;187), Xiaoxuidong (777) and Diao Dong (762 ; 45 ).

785 caractères - Lu 106 Fois

Bibliographie 6



Zdenek Motycka, Michal Filippi, Zhang Yuanhai (2017)
Cave Exploration In Xiaonanhai Karst Area, Shaanxi Province, China p.330-333
Moore K., White S. (Eds), 2017. Proceedings of the 17th International Congress of Speleology (Ed. 2), July 23–29, Sydney, NSW Australia
Volume 1, Australian Speleological Federation Inc. Sydney. Vol 1.
Description de la zone et des principales cavité explorées durant les deux expéditions (2016) Shaanxi project organisé par Czech Speleological Society, Institute of Geology of the Czech Academy of Sciences, Institute of Karst Geology, Chinese Academy of Geological Sciences. 1 carte, 5 topos, 4 photos. 7 km of new caves were explored and surveyed. Guanyindong (3024 ; -445), Boniukeng (1386 ;187), Xiaoxuidong (777) and Diao Dong (762 ; 45 ).
Source :

Zdenek MOTYCKA, Michal FILIPPI & Zhang YUAN HAI (2022)
Discoveries of large caves in Xiaonanhai Karst, Shaanxi province, China. 18th International Congress of Speleology - Savoie Mont Blanc 2022
Vol. II - Karstologia Mémoires n°22 - SYMPOSIUM 02 - Caving and explorations. p149-152
Speleological exploration in the Xiaonanhai Karst area started with two expeditions in 2016. Between 2017 and 2019, another four expeditions were organized by the Czech Speleological Society and the Institute of Geology of the Czech Academy of Sciences in cooperation with the Shaanxi Institute of Geological Survey and the Institute of Karst Geology of the Chinese Academy of Sciences. During the expeditions, 20 km of cave passages were discovered and surveyed. The Tianxingyan Cave (currently 12,930 m long and 228 m deep), now the longest cave in Northern China, is the most significant discovery. The cave consists of a huge corridor with big halls (two of them exceed 200 m in length and 100 m in width) and several side passages of different age and character. The Boniukeng Cave (currently 2,699 m long and 326 m deep) is the second most important cave we work in. This cave represents the main drainage on the Daya karst plateau and, as revealed by a tracing experiment, water from this cave flows through the Tianxingyan Cave to the 828 m long Baishuidong resurgence cave. Although an interconnection of these three caves has not been physically ascertained yet, it is more than likely that they are parts of a singular cave system. The exploration will continue in the coming years.
Source :

Filippi, M., Zhang, Y., Motyčka, Z. et al. (2022)
Identification and Potential of Newly Emerging Geoheritage Karst Areas South of Hanzhong, Central China. Geoheritage 14, 125 (2022). https://doi.org/10.1007/s12371-022-00760-2

Source :

Compilé par : Jan Sirotek, Vít Kaman, Tomáš Mokrý, Zdeněk Motyčka, Ludmila Ondrouchová (2016)
Česká speleologická společnost ZO 6-25 Pustý Žleb Výroční zpráva za rok 2016 - Société tchèque de spéléologie ZO 6-25 Pustý Žleb - Rapport annuel 2016 p17-25
Compte rendu des deux expéditions 2016 dans le Shaanxi districts de Nanzheng (Xiaonanhai), Zhenba. 3 topos, 9 photos
Source :

John GUNN, Yuanhai ZHANG, Zenglin HONG and Qianzhou LUO (2019)
Tiankeng (giant doline) definitions with particular reference to the Hanzhong depressions, Shaanxi, China. Cave and Karst Science, Vol.46, No.2, (2019) p 51–60 - ISSN 1356-191X
14 photos - 3 topographies - 3 cartes
Source :

Compilé par : Jan Sirotek, Vít Kaman, Tomáš Mokrý, Zdeněk Motyčka, Ludmila Ondrouchová (2019)
Česká speleologická společnost ZO 6-25 Pustý Žleb Výroční zpráva za rok 2019 - Société tchèque de spéléologie ZO 6-25 Pustý Žleb - Rapport annuel 2019 p 21-29
Compte rendu expédition 2019 (07/04 21/04/2019) dans le Shaanxi district de Nanzheng (Xiaonanhai). 2 topographies, 3 photos
Source :


Images 0



Topographie 2



topographie Boniukeng 伯牛坑
Source : CSS/IKG
topographie Boniukeng 伯牛坑
Source : CSS/IKG

Expédition 5


Cette grotte a été identifiée ou explorée au minimum par cette (ces) expédition (s) :




Recherche