Kumkol Basin (IVPP KMKL2013030901)
Basic information
Sample name: Kumkol Basin (IVPP KMKL2013030901)

Sample aka: Baiquan River

Reference: Q. Li, X. Zhou, X. Ni, B. Fu, and T. Deng. 2020. Latest Middle Miocene fauna and flora from Kumkol Basin of northern Qinghai-Xizang Plateau and paleoenvironment. Science China Earth Sciences 63:188-201 [ER 4074]
Geography
Country: China

State: Xinjiang


County: Ruoqiang


Coordinate: 37° 11' 3" N, 89° 27' 52" E
Coordinate basis: stated in text

Scale: quarry

Time interval: Middle Miocene

Ma: 12.5

Age basis: paleomag

Geography comments: "on the east side of Baiquan River"
"the fossil layer can be correlated to the top of the Shimagou Formation... which falls in the GPTS magnetic chron C5Ar... with an age of about 12.5 Ma, i.e., the latest Middle Miocene"

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Environment
Lithology: siliciclastic (mixed)

Habitat comments: "from about 1 m grey-greenish and brownish siltstone and mudstone with plant organic matters"

Methods
Life forms: bats,rodents,ungulates,other small mammals,lizards

Sampling methods: screenwash

Sample size: 45 specimens

Years: 2013, 2014

Museum: IVPP

Sampling comments: "Discovered in 2013... In 2014, we screen-washed 90 bags (about 1 ton) of matrix" and all specimens apart from the artiodactyl were found

Metadata
Sample number: 4497

Contributor: John Alroy

Enterer: John Alroy

Created: 2024-11-18 21:19:00

Modified: 2024-11-18 21:19:00

Abundance distribution
9 species
5 singletons
total count 45
geometric series index: 25.9
Fisher's α: 3.383
geometric series k: 0.6835
Hurlbert's PIE: 0.6793
Shannon's H: 1.4909
Good's u: 0.8899
Each square represents a species. Square sizes are proportional to counts.
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Register
Lacertidae indet.4
Artiodactyla indet.1
"possible Caprinae tooth"
†Erinaceus cf. mongolicus1
Eptesicus sp.1
†Spermophilinus kumkolensis21
new
†Myomimus maritsensis1
†Dipus nanus2
†Democricetodon lindsayi13
Ochotonidae indet.1