Cortijo de la Piedra (CP-2)
Basic information
Sample name: Cortijo de la Piedra (CP-2)

Reference: E. Martín-Suárez, A. García-Alix, R. Minwer-Barakat, J. Agustí, and M. Freudenthal. 2012. Filling the gap: first evidence of early Tortonian continental deposits in southern Iberia. Journal of Vertebrate Paleontology 32(6):1421-1428 [ER 4083]
Geography
Country: Spain

State: Granada



Coordinate: 37° 43' N, 2° 29' W
Coordinate basis: based on nearby landmark

Scale: quarry

Time interval: Late Miocene

Zone: MN10

Geography comments: from "near the village of Orce" (coordinate based on Orce)
"a latest Vallesian age (MN10; early Tortonian)" age is proposed and "the age of the studied section may be approximately ∼9 Ma or slightly older" based on biochronology

Environment
Lithology: siliciclastic (mixed)

Taphonomic context: fluvial deposit

Habitat comments: "They are found in a small outcrop (~20 m thick) of alternating light and dark lutites with occasional limestone beds, overlain by a thick conglomerate layer with erosive base, corresponding to a channel deposit. Small-mammal remains have been recovered from two dark lutite levels"

Methods
Life forms: rodents

Sampling methods: quarry,screenwash

Sample size: 95 specimens

Museum: University of Granada

Sampling comments: "6300 kg of sediment were sampled and sieved" from this locality
the specimens are in the Departamento de Estratigrafía y Paleontología, University of Granada (DEPUG) collection
Prolagus crusafonti, Erinaceidae indet., Allosoricini indet., and Soricidae indet. are also present but not described

Metadata
Sample number: 4510

Contributor: John Alroy

Enterer: John Alroy

Created: 2024-11-21 09:28:06

Modified: 2024-11-21 09:28:06

Abundance distribution
8 species
4 singletons
total count 95
geometric series index: 19.5
Fisher's α: 2.082
geometric series k: 0.5461
Hurlbert's PIE: 0.4427
Shannon's H: 0.9750
Good's u: 0.9581
Each square represents a species. Square sizes are proportional to counts.
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