Pratt Quarry
Basic information
Sample name: Pratt Quarry
Reference: W. W. Korth. 1998. Rodents and lagomorphs (Mammalia) from the late Clarendonian (Miocene) Ash Hollow Formation, Brown County, Nebraska. Annals of Carnegie Museum 67(4):299-348 [ER 2344]
Geography
Country: United States
State: Nebraska
Coordinate: 42° 38' N, 100° 3' W
Basis of coordinate: stated in text
Geography comments: "NE 1/4, SW 1/4, sect. 30, T. 31 N, R. 23 W" (Skinner and Johnson 1984)
"Merritt Dam member of the Ash Hollow Formation"
1998 AEO age estimate
"Merritt Dam member of the Ash Hollow Formation"
1998 AEO age estimate
Climate and habitat
Substrate: ground surface
Lithology: conglomerate
Habitat comments: "a stream channel deposit" with fossils coming from the base of the section (lithology unclear), "lenses of clay-ball conglomerates", and "a thin layer of diatomite at the top of the section"
Methods
Life forms: rodents, other small mammals
Sampling methods: screenwash
Sample size: 295
Years: 1989, 1994
Sampling comments: insectivorans are present but not listed
Metadata
Sample: 2508
Contributor: John Alroy
Enterer: John Alroy
Created: 2017-02-13 13:04:05
Modified: 2017-02-16 17:20:47
Abundance distribution
25 species
8 singletons
total count 295
standardised richness: 17.2
Fisher's α: 6.521
geometric series k: 0.8444
Hurlbert's PIE: 0.9056
Shannon's H: 2.6254
Good's u: 0.9729
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