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Lab number
BGS-1410
Field number
IN-86-1
Material dated
bison bone collagen; collagène osseux de bison
Taxa dated
Bison sp.
Locality
on a terrace on the south side of Assiniboine River and Truro Creek in Bruce Park, 232 m asl, west end of Winnipeg, Manitoba
Map sheet
62 H/14
Submitter
E. Nielsen
Date submitted
April 18, 0098
Measured Age
325 ± 100
Normalized Age
405 ± 100
δ13C (per mil)
-20.0
Significance
palaeobiology; paléobiologie
Context
alluvial silt in a natural river cut, 2.0 m depth
Associated taxa
Mammalia: Bison sp
Comments
DlLh-VP1: Comment (E. Nielsen): Natural river cut where Truro Creek joins Assiniboine River in west end of Winnipeg. Sample was excavated from dry compact silt. No mold or plant growth. Date of sample will help establish timing of occupation of Assiniboine River. Estimated age about 2 ka BP. Rannie et al. suggest the river drained into Lake Manitoba between 7.5 and 3.0 ka BP. Previous date of 7500 +/- 80 (GSC-4839) suggests river occupied the present course in early Holocene.

References