Negro Muerto 3
Basic information
Sample name: Negro Muerto 3

Reference: E. Mange, L. Prates, L. Gonzâlez Venanzi, and M. Di Lorenzo. 2016. El registro faunístico del sitio Negro Muerto 3 (provincia de Río Negro, Argentina): tafonomía y patrones de explotación. Comechingonia 20(1):231-252 [ER 3382]
Geography
Country: Argentina

State: Rio Negro


Coordinate: 39° 48' 48" S, 65° 16' 48" W
Coordinate basis: stated in text

Time interval: Holocene

Max Ma: 0.00143

Min Ma: 0.00111

Age basis: radiocarbon (uncalibrated)

Geography comments: "en el extremo oeste del valle de Negro Muerto... a unos 70 km de la ciudad de Choele Choel y en cercanías de los sitios Negro Muerto (NM) y Negro Muerto 2 (NM2)"
there are 14C dates of 1430 +/- 70 ybp on Lama guanicoe and 1110 +/- 33 ybp on Ozotoceros bezoarticus (presumed to be uncalibrated because errors are symmetrically distributed)

Environment
Lithology: sandstone

Taphonomic context: aeolian deposit,human accumulation

Archaeology: burials,ceramics,hearths,stone tools

Habitat comments: fine sand with a sandy-muddy texture
the deposit is aeolian and was laid down next to a small paleo-lagoon
the site is interpreted as a base camp and mortuary area, and features include burials, lithics, thermoaltered sediments, and ceramics
some small mammal remains feature heat alteration and cut marks

Methods
Life forms: carnivores,rodents,ungulates,other large mammals,birds,turtles,fishes,clams,snails

Sampling methods: quarry

Sample size: 317 specimens

Years: 2013

Sampling comments: faunal materials were collected from the surface remaining after the removal of a dune in an area of 65 x 50 m
a reworked vertebra identified as Mylodontinae indet., indeterminate mammal, artiodactyl, carnivore, armadillo, rodent, Caviinae, and bird remains, and eggshells of Rhea americana and Rhea pennata were also recovered

Metadata
Sample number: 3756

Contributor: John Alroy

Enterer: John Alroy

Created: 2021-06-04 20:32:50

Modified: 2023-04-03 09:02:36

Abundance distribution
18 species
5 singletons
total count 317
extrapolated richness: 30.6
Fisher's α: 4.136
geometric series k: 0.7500
Hurlbert's PIE: 0.7215
Shannon's H: 1.7435
Good's u: 0.9843
Each square represents a species. Square sizes are proportional to counts.
Register