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Lab number
Beta-27512
Material dated
caribou bone collagen; collagène osseux de caribou
Taxa dated
Rangifer tarandus antler (KlVi-1: 1, id. by C.R. Harington)
Locality
Hunker Creek, Klondike District, Yukon drainage, Yukon Territory
Map sheet
115 O/15
Submitter
C.R. Harington
Date submitted
June 22, 0098
Normalized Age
11350 ± 110
Significance
culture?
Context
placer deposits, provenience unknown
Associated taxa
Mammalia: Rangifer tarandus
Additional information
AMS date: ETH-4582
Comments
KlVi-1, Dawson Locality 16: The bison tibia dated by I-11051 displays complex spiral fractures induced when the bone was in a fresh condition, possibly by a person seeking to extract the marrow. The date suggests that the bone represents a wood bison (Bison bison athabascae). The caribou antler dated by Beta-27512 is interpreted as a punch that could have been employed for indirect percussion flaking of stone tools such as blades or microblades. It is noteworthy that the date is co-eval with the time range of the Nenana complex known in neighbouring Alaska. The caribou antler dated by I-8580 exhibits no modifications attributable to human activity, but the date documents the presence of caribou in the Beringian refugium at the height of the late Wisconsinan; most of this antler is preserved in the collections of the Canadian Museum of Nature. Beta-16159 indicates that brown bears lived in eastern Beringia during mid-Wisconsinan time.

References