Dingshanyanchi (XJ 200617)
Basic information
Sample name: Dingshanyanchi (XJ 200617)
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' 29" N, 87° 29' 49" E
Coordinate basis: stated in text
Scale: quarry
Formation: Dingshanyanchi
Time interval: Middle Miocene
Zone: MN6
Section: Dingshanyanchi
Unit number: 1
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 24.479' N, 87º 29.818' 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 24.479' N, 87º 29.818' 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: sandstone
Habitat comments: "The Dingshanyanchi Formation is a set of reddish silts" but the locality is "within a sandstone lens at the base" of the formation
Methods
Life forms: bats,carnivores,rodents,other small mammals
Sampling methods: quarry,screenwash
Sample size: 70 individuals
Years: 2006
Museum: IVPP
Sampling comments: "mammals were discovered" in 2006
1.25 "tons of matrix were collected and screenwashed"
1.25 "tons of matrix were collected and screenwashed"
Metadata
Sample number: 4489
Contributor: John Alroy
Enterer: John Alroy
Created: 2024-11-17 02:24:35
Modified: 2024-11-17 02:24:35
Abundance distribution
21 species
10 singletons
total count 70
geometric series index: 55.0
Fisher's α: 10.172
geometric series k: 0.8609
Hurlbert's PIE: 0.8770
Shannon's H: 2.5580
Good's u: 0.8580
Each square represents a species. Square sizes are proportional to counts.
• Find matching samples
Register