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- Lab number
- S-3663
- Field number
- RR-97-17
- Material dated
- bison bone collagen; collagène osseux de bison
- Taxa dated
- Bison sp. tibia (id. by R.E. Morlan)
- Locality
- about 3 km northeast of Morris, about 60 km south of Winnipeg, about 228 m asl, in the Red River valley, Manitoba
- Map sheet
- 62 H/06
- Submitter
- E. Nielsen
- Date submitted
- August 18, 0098
- Measured Age
- 200 ± 70
- Normalized Age
- 350 ± 70
- δ13C (per mil)
- -15.6
- Significance
- palaeobiology; paléobiologie
- Context
- silty and silty clay alluvium, 2.3 m depth, a fresh exposure in a 3 m high section
- Associated taxa
- Mammalia: Bison sp
- Comments
- DiLh-VP1: Comment by R.E. Morlan: This sample was a left bison tibia, wholly intact, with proximal and distal ends completely fused. Measurements of the distal end (breadth = 7.2 cm; depth = 5.1 cm) suggest that this bison was probably a relatively small adult bull. These measurements are near the lower end of the size range for modern Plains bison bulls and are smaller than the largest adult cow tibia in Morlan's comparative data. There is no evidence bearing upon the cause of death of this bison. The bone lay on the surface for a brief period (a few months?) prior to burial and is weathered to Behrensmeyer's (1978) stage 1. During this period on the surface, a rodent gnawed on a small area of the anterior crest. The bone may have entered into a relatively deep burial environment rather quickly, because there is no evidence of root-etching.