Douglass Quarry
Basic information
Sample name: Douglass Quarry
Sample aka: Crazy Mountains Basin Loc. 63
Reference: G. G. Simpson. 1937. The Fort Union of the Crazy Mountain Field, Montana, and its mammalian faunas. Bulletin of the United States National Museum 169:1-287 [ER 4101]
Geography
Country: United States
State: Montana
County: Sweetgrass
Coordinate: 46.19° N, -109.90° W
Coordinate basis: stated in text
Scale: quarry
Formation: Fort Union
Time interval: Middle Palaeocene
Zone: Tiffanian
Section: CMB
Unit number: 3
Unit order: below to above
Max Ma: 62.278
Min Ma: 59.237
Age basis: paleomag
Geography comments: NW1/4, sec. 18, T. 5 N., R. 15 E.
2850 "Feet above base of Fort Union No. 1"
Ti1 according to Krause and Maas (1990)
chron 26R according to Butler et al. (1987) (age assignment based on Ogg 2020)
2850 "Feet above base of Fort Union No. 1"
Ti1 according to Krause and Maas (1990)
chron 26R according to Butler et al. (1987) (age assignment based on Ogg 2020)
Environment
Lithology: shale
Habitat comments: the lithology is not described, but "mammal localities in this area in general are "almost entirely on the rarer shale exposures... seldom as much as a hundred yards in diameter and generally much less"
Methods
Life forms: carnivores,primates,ungulates,other large mammals,other small mammals
Sampling methods: quarry
Sample size: 1565 specimens
Museum: Princeton University
Sampling comments: said to be a Princeton locality
the metadata for this sample are based on Simpson (1937), who did not report a faunal list, and the list is drawn from Krause and Maas (1990)
the metadata for this sample are based on Simpson (1937), who did not report a faunal list, and the list is drawn from Krause and Maas (1990)
Metadata
Sample number: 4526
Contributor: John Alroy
Enterer: John Alroy
Modifier no: John Alroy
Created: 2024-11-30 03:24:58
Modified: 2024-12-03 10:23:44
Abundance distribution
48 species
5 singletons
total count 1565
geometric series index: 64.1
Fisher's α: 9.367
geometric series k: 0.8804
Hurlbert's PIE: 0.8815
Shannon's H: 2.7041
Good's u: 0.9968
Each square represents a species. Square sizes are proportional to counts.
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