Dingshanyanchi (XJ 200613)
Basic information
Sample name: Dingshanyanchi (XJ 200613)
Reference: W.-Y. Wu, J. Meng, J. Ye, X.-J. Ni, S.-D. Bi, and Y.-P. Wei. 2009. The Miocene mammals from the Dinshanyanchi Formation of north Junggar Basin, Xinjiang. Vertebrata PalAsiatica 47(3):208-233 [ER 4067]
Geography
Country: China
State: Xinjiang
Coordinate: 46° 24' 34" N, 87° 28' 32" E
Coordinate basis: stated in text
Scale: quarry
Formation: Dingshanyanchi
Time interval: Middle Miocene
Zone: MN6
Section: Dingshanyanchi
Unit number: 2
Unit order: below to above
Geography comments: "in the southern area of the Ulungur River, northern Junggur Basin, Xinjiang"
"2.3 m above the base of the formation"
exact coordinate 46º 24.572' N, 87º 28.541' W
"middle Tunggurian" or "middle Middle Miocene" (roughly 14 Ma or MN5/6)
Tao 2007 places the Tunggurian in the range of MN6 to MN8, so an age of MN6 seems clear
"2.3 m above the base of the formation"
exact coordinate 46º 24.572' N, 87º 28.541' W
"middle Tunggurian" or "middle Middle Miocene" (roughly 14 Ma or MN5/6)
Tao 2007 places the Tunggurian in the range of MN6 to MN8, so an age of MN6 seems clear
Environment
Lithology: siltstone
Habitat comments: "The Dingshanyanchi Formation is a set of reddish silts"
Methods
Life forms: rodents,ungulates,other small mammals
Sampling methods: quarry,screenwash
Sample size: 83 individuals
Years: 2006
Museum: IVPP
Sampling comments: "mammals were discovered" in 2006
1.5 "tons of matrix were collected and screenwashed"
1.5 "tons of matrix were collected and screenwashed"
Metadata
Sample number: 4487
Contributor: John Alroy
Enterer: John Alroy
Modifier no: John Alroy
Created: 2024-11-17 02:15:39
Modified: 2024-11-17 02:24:22
Abundance distribution
19 species
1 singleton
total count 83
geometric series index: 30.4
Fisher's α: 7.706
geometric series k: 0.8517
Hurlbert's PIE: 0.8870
Shannon's H: 2.5704
Good's u: 0.9895
Each square represents a species. Square sizes are proportional to counts.
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