La Chimba
Basic information
Sample name: La Chimba
Reference: P. W. Stahl and J. S. Athens. 2001. A high elevation zooarchaeological assemblage from the northern Andes of Ecuador. Journal of Field Archaeology 28(1/2):161-176 [ER 3406]
Geography
Country: Ecuador
State: Pichincha
Coordinate: 0° 8' N, 78° 5' W
Coordinate basis: estimated from map
Time interval: Holocene
Max Ma: 0.00264
Min Ma: 0.0017
Age basis: radiocarbon (calibrated)
Geography comments: a very coarse-scale map indicates that the site is somewhere near the town of Olmedo (basis of coordinate) in the far northeastern corner of the province, which is said to be to the west
the site is thought to have been occupied from 2640 B.P. to 1700 B.P. based on fifteen calibrated radiocarbon dates
the site is thought to have been occupied from 2640 B.P. to 1700 B.P. based on fifteen calibrated radiocarbon dates
Environment
Lithology: not described
Taphonomic context: human accumulation,midden
Archaeology: ceramics,hearths,stone tools
Habitat comments: "Numerous pottery fragments, obsidian flaking debris, and other remains spread over approximately 12 ha define the known area of the site. At least three mound-like features with especially abundant habitation refuse have been distinguished"
charcoal is also present
charcoal is also present
Methods
Life forms: carnivores,primates,rodents,ungulates,other large mammals,other small mammals,birds,lizards,snakes,turtles,fishes
Sampling methods: quarry,screenwash
Sample size: 19620 specimens
Sampling comments: "all sediments were screened in 1/8 inch mesh"
Metadata
Sample number: 3790
Contributor: John Alroy
Enterer: John Alroy
Created: 2021-06-09 21:57:05
Modified: 2021-06-09 12:10:09
Abundance distribution
40 species
7 singletons
total count 19620
extrapolated richness: 61.4
Fisher's α: 4.811
geometric series k: 0.7821
Hurlbert's PIE: 0.4060
Shannon's H: 0.8154
Good's u: 0.9996
Each square represents a species. Square sizes are proportional to counts.
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