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Canada / AB / DlPo-20 (Gap) / GX-956
- Lab number
- GX-956
- Material dated
- charred bison bone collagen; collagène osseux de bison
- Taxa dated
- Bison sp. cervical vertebra
- Locality
- south side of the "Gap" in the Livingstone Range, 1400 m asl, right bank of the Oldman River, Alberta
- Map sheet
- 82 G/16
- Submitter
- B.O.K. Reeves
- Date submitted
- March 14, 0097
- Measured Age
- 9520 ± 240
- Normalized Age
- 9600 ± 240
- δ13C (per mil)
- -20.0
- Significance
- Palaeoindian?; Paléoindien
- Stratigraphic component
- Floor 4
- Context
- Floor 4, Ah horizon of buried soil under volcanic ash, 2.7 m depth
- Associated taxa
- Mammalia: Bison sp
- Additional information
- It is assumed that this date was not corrected previously for isotopic fractionation.
- Comments
- DlPo-20, Gap: Four archaeological living floors were found in the Ah horizons of buried palaeosols. The uppermost, Floor 1, yielded bison and canid bones but has not been dated and lacks culturally diagnostic artifacts. A sample of volcanic ash between Floors 2 and 3 was identified by J.A. Westgate as Mazama tephra. Of two dates on Floor 4, GSC-1158 is considered the better determination.