Baishiya Karst Cave

Coordinates: 35°26′53″N 102°34′17″E / 35.44806°N 102.57139°E / 35.44806; 102.57139
Source: Wikipedia, the free encyclopedia.
Baishiya Karst Cave
白石崖溶洞
Location in Gansu
Location in Gansu
Location in Gansu
Location in Gansu
Location in Gansu
Baishiya Karst Cave (Gansu)
Location in Gansu
Location in Gansu
Baishiya Karst Cave (China)
LocationXiahe County, Gansu, China
RegionGanjia Basin, Tibetan Plateau
Coordinates35°26′53″N 102°34′17″E / 35.44806°N 102.57139°E / 35.44806; 102.57139
Altitude3,280 m (10,761 ft)[1]
Typekarst cave
Length> 1 km (3,281 ft)
Width20 m (66 ft)
Height10 m (33 ft)
Site notes
Excavation dates2018
ArchaeologistsZhang Dongju, Chen Fahu

Baishiya Karst Cave (

Tibetan Buddhist sanctuary located on the northeastern edge of the Tibetan Plateau in Xiahe County, Gansu, China. This karst cave is the site of the discovery of the earliest hominin fossil found on the Tibetan Plateau, the Xiahe mandible. The mandible, by way of palaeoproteomic analysis, is the first confirmed discovery of a Denisovan fossil outside of Denisova Cave. This fossil discovery shows that archaic hominins
were present in a high-altitude, low-oxygen environment by around 160,000 years ago.

Geography

Baishiya Karst Cave is located in Ganjia (甘加), Xiahe County, Gannan Tibetan Autonomous Prefecture, Gansu, China, on the northeastern edge of the Tibetan Plateau.[2] It lies on the southern side of Dalijiashan Mountain,[1] at the foot of a white cliff.[3] The cave is situated in the Ganjia Basin, at the mouth of the Jiangla River, a tributary of the Yangqu River.[1] The cave is over 1 km (3,281 ft) in length.[1] Within 80 metres (260 ft) from the entrance, the cave's winter daytime temperature is normally 8–9 °C (46–48 °F), suitable for habitation in the harsh winters of the Tibetan Plateau.[4]

Religion

Baishiya Karst Cave is a

Xunhua County in Qinghai province.[2]

Fossils

Xiahe mandible

In 1980, a

lithic artefacts and animal bones with cut marks were discovered at the entrance to the cave.[1]

In 2020 Denisovan DNA plus stone artefacts and animal bones were recovered from the Buddhist holy cave on the Tibetam Plateau by scientists from the University of Wollongong, Australia including Professor Bo Li. Denisovan DNA was recovered from four layers in the cave dated between 45.000 and 100,000 years ago. A fragment of jawbone had been found in the cave in 2019. Aboriginal Australians have about 5% of Denisovan DNA.[7]

The Xiahe mandible consists of the right half of a partial mandible with two attached

protein analysis.[8] It is the most complete known Denisovan fossil.[8] Discover, Science News and Nova all named the discovery in their lists of Top Science Stories of 2019.[9][10][11]

References

Citations

  1. ^ a b c d e f g Chen et al. 2019.
  2. ^ a b c d GNRTV 2016.
  3. ^ a b c d Hublin 2019.
  4. ^ a b c Wu 2019.
  5. ^ a b Gibbons 2019.
  6. ^ a b Max-Planck-Gesellschaft 2019.
  7. ^ "In a Tibetan cave archaeologists find evidence of a mysterious ancestor". Stuff/Fairfax. 4 November 2020.
  8. ^ a b Warren 2019.
  9. Discover Magazine
    . Retrieved 2020-02-25.
  10. ^ "Top 10 stories of 2019: A black hole picture, measles outbreaks, climate protests and more". Science News. 2019-12-16. Retrieved 2020-02-25.
  11. ^ "The top 10 science stories of 2019". www.pbs.org. Retrieved 2020-02-25.

Bibliography