Basic information
Sample name: Atkinson

Reference: B. A. Nicholson and T. Playford. 2009. The Atkinson site - a 6,400 year old Gowen (Mummy Cave) occupation near Lauder, Manitoba. Plains Anthropologist 54:29-48 [ER 3187]
Country: Canada
State: Manitoba

Coordinate: 49° 23' N, 100° 41' W
Basis of coordinate: based on nearby landmark
Geography comments: "in the north bank of the Souris River, north of the town of Lauder" (coordinate based on Lauder)
there are two uncalibrated radiocarbon dates of 5280 +/- 50 and 5580 +/- 120 B.P.
Climate and habitat
Lithology: claystone
Taphonomic context: human accumulation
Archaeology: hearths, stone tools
Habitat comments: "an exposed lens of charcoal... within a dense, silt-clay matrix laid down by overbank deposition"
"materials included lithics, fire cracked rock and, associated with the Gowen hearth, a small bone bed"
Life forms: carnivores, rodents, ungulates, other small mammals
Sampling methods: quarry, screenwash
Sample size: 403
Years: 2003 - 2006
Sampling comments: wet washed with "3 mm screen"
Sample: 3495
Contributor: John Alroy
Enterer: John Alroy
Created: 2019-09-07 20:42:14
Modified: 2019-09-09 12:35:08
Abundance distribution
6 species
3 singletons
total count 403
standardised richness: not computable
Fisher's α: 1.000
geometric series k: 0.3036
Hurlbert's PIE: 0.0702
Shannon's H: 0.2048
Good's u: 0.9926