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Lab number
AA-1219
Material dated
bison bone collagen; collagène osseux de bison
Taxa dated
Bison bison cf. occidentalis tibia
Locality
Peace River bank south of Clayhurst, British Columbia
Map sheet
94 A/01
Date submitted
June 16, 0098
Date uploaded
February 14, 2020
Normalized Age
10600 ± 160
δ13C (per mil)
-19.4
Significance
palaeobiology; paléobiologie
Context
fluvial gravel and sand, 116 m lower than local minimum strandlines of Clayhurst stage of Glacial Lake Peace, 86 m below Indian Creek stage of lake
Additional information
AMS date.
Comments
HaRa-VP, Clayhurst Gravel Pit: Four AMS dates were run on the left tibia. A bison scapula collected from the same site by Peter Bobrowsky was also dated (AECV-1558C). This skeleton represents the most complete late Pleistocene bison so far reported in Canada. In contrast to McDonald (1981)... we prefer to view western bison (B.b. occidentalis) as stemming from steppe bison (B. priscus) which may have survived in the northern Yukon until about 12,000 yr BP.... Like other bison, western bison probably fed mainly on grasses, forbs, and sedges.

References