dong Heiyan - 黑岩

Hei Yan – Dark Cave (GX/Gc/8)
Guangxi, Gongcheng County, Wan Tien Chen
Altitude: 245 m a.s.l.
Cave length: 245 m
Vertical range: -10 m
Exploration: China Caves ‘94
Surveyors: S. Melotti, R. Zorzin (12 Aug. 1994)
Type of research: physical-chemical analyses, biological
Cave description:
The cave develops inside grey Lower Carboniferous limestone, on the side of a large doline, near Wan Tien Chen village (Zorzin & Melotti, 1995). A large rubble mound is inside the entrance, it is the starting point of a very decorated, large gallery. Numerous large and shallow pools with pisoliths of various sizes are present on the floor. The name of the cave, which literally means “dark Cave” comes from the thin dark layer covering the walls. Teeth of carnivorous mammals were discovered in a clay layer 50 cm thick, covered by a calcitic layers few cm thick. They are presently under study at the Museo Civico di Soria Naturale of Verona.
(R. Zorzin)

Leonardo Latella, Roberto Zorzin : Caves explored during the scientific expeditions to China of the Museo Civico di Storia Naturale of Verona
Research in South China Karst - Memorie del Museo Civico di Storia Naturale di Verona - 2. serie - Monografie Naturalistiche 3-2008
Analyse : gkc-JPB
Results of the 13 expeditions organized by the Museo Civico di Storia Naturale of Verona to southern China. One-hundred-twenty-five caves were explored, for a total of more than 60 km in length. For each cave we list the progressive number, the cadastral number, the type of research conducted and a short description of the cave. Most of the caves are located in Guizhou Province, in Qianxi County. The hydrogeology, biology, geography and archaeology of the area were investigated during the scientific expeditions. 40 pages, No caves maps, 21 photos.

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