Lapa do Santo (Middle Holocene)
Basic information
Sample name: Lapa do Santo (Middle Holocene)

Reference: A. G. M. Araujo, F. A. Pugliese Jr, R. O. dos Santos, and M. Okumura. 2018. Extreme cultural persistence in eastern-central Brazil: the case of Lagoa Santa Paleaeoindians. Anais da Academia Brasileira de Ciências 90(2 Suppl. 1):2501-2521 [ER 3410]
Geography
Country: Brazil

State: Minas Gerais


Coordinate: 19° 28' 40" S, 44° 2' 20" W
Coordinate basis: based on nearby landmark

Time interval: Holocene

Section: 3410

Unit number: 2

Unit order: below to above

Max Ma: 0.00429

Min Ma: 0.00381

Age basis: radiocarbon (uncalibrated)

Geography comments: exact coordinate given by Wikipedia
the material is from "units M3, M4, M5, M6, and M7"
all dates are uncalibrated and on wood charcoal
eight Early Holocene dates range from 8930 +/- 40 to 8170 +/- 50 ybp
seven Middle Holocene dates range from 4290 +/- 90 to 3810 +/- 50 ybp

Environment
Lithology: not described

Taphonomic context: cave,human accumulation

Archaeology: bone tools,hearths,stone tools

Habitat comments: a cave "with an area of 1,3000 m2"
the section includes "well preserved layers of ash" that is anthropogenic
an extensive set of lithics is described, and there are multiple bones tools
lithology is not discussed

Methods
Life forms: carnivores,primates,rodents,ungulates,other large mammals,other small mammals,birds,turtles,fishes

Sampling methods: quarry,screenwash

Sample size: 244 specimens

Sampled by: W. Neves, R. Kipnis

Years: 2001 - 2009

Sampling comments: the team "excavated an area of 44 m2" down to "more than 4 m", but the material is from a particular "trench 5 m long and 1 m wide"
all sediment was sieved
"No human remains were found in this portion of the site"
55 unidentified amphibians are present in the Earliy Holocene, and 43 in the Middle Holocene

Metadata
Sample number: 3795

Contributor: John Alroy

Enterer: John Alroy

Created: 2021-06-10 17:48:39

Modified: 2023-04-29 04:02:37

Abundance distribution
13 species
2 singletons
total count 244
geometric series index: 17.7
Fisher's α: 2.932
geometric series k: 0.7035
Hurlbert's PIE: 0.8166
Shannon's H: 1.9656
Good's u: 0.9918
Each square represents a species. Square sizes are proportional to counts.
Register