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- Lab number
- S-2417
- Field number
- CMC-1300
- Material dated
- bone collagen; collagène osseux
- Locality
- in the Livingstone Range, 1829 m asl, Oldman drainage, southwestern Alberta
- Map sheet
- 82 G/15
- Submitter
- R.K. Brulotte
- Date submitted
- March 15, 0098
- Measured Age
- 8775 ± 365
- Normalized Age
- 8855 ± 365
- δ13C (per mil)
- -20.0
- Significance
- palaeobiology; paléobiologie
- Context
- subunits 16G, 16H, 17G, and 17H, levels 16 and 17, the lowest levels excavated, consisting of the first sediments in the shelter
- Comments
- DkPp-11, Racehorse Rockshelter: This stratified deposit is rich in small mammal remains suitable for palaeoenvironmental analysis. Small mammals are present from the deepest levels, dated by S-2417. Level 6, dated by S-2418, marks the first appearance of large mammals and cultural materials in the rockshelter, along with an increase in small mammal diversity. The Level 6 assemblage indicates an ameliorated climate and the establishment of a mixed-forest/grassland ecotone.