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Lab number
RL-1554
Material dated
bison bone collagen; collagène osseux de bison
Taxa dated
Bison sp.?
Locality
in the southwest margin of the Nose Hill uplands, extending along Bow River from Calgary toward Cochrane, Alberta
Map sheet
82 O/01
Submitter
S. Van Dyke
Date submitted
March 23, 0097
Measured Age
8250 ± 330
Normalized Age
8330 ± 330
δ13C (per mil)
-20.0
Significance
Palaeoindian; Paléoindien
Stratigraphic component
Occupation 1
Context
occupation 1, paleosol in clay-rich pond sediment below Mazama ash
Associated taxa
Mammalia: Bison sp?
Additional information
It is assumed that this date was not corrected previously for isotopic fractionation.
Comments
EgPm-179, Hawkwood: These uplands consist of severely pocked hummocky moraine, and the site consists of stratified deposits in two basins. The eastern basin contains five components representing occupations 1 and 3-6. The western basin contains only three components, representing occupations 2 and 5-6. Occupation 1 is a late Palaeoindian manifestation of the Plains Mountain tradition. Occupations 2 and 3 are early in the Mummy Cave series, while occupation 4 is a late Mummy Cave component with Bitterroot points (actually closer to Walker's [1992] Gowen type, being short with slightly convex blade edges and with notches very close to a straight or barely concave base). Occupations 5 and 6 represent Oxbow and Old Women's components, respectively.

References