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Lab number
GSC-1205
Field number
SV-68-25
Material dated
bison bone collagen; collagène osseux de bison
Taxa dated
Bison sp., 2 tibiae (300 g., id. by C.S. Churcher)
Locality
upper terrace on the north side of Athabasca River, 550 m asl, 600 m north of Athabasca, Alberta
Map sheet
83 I/11
Submitter
D.S. St-Onge
Date submitted
May 28, 0098
Measured Age
10000 ± 160
Normalized Age
10200 ± 160
δ13C (per mil)
-17.6
Significance
palaeobiology; paléobiologie
Context
gravel in a high-level river terrace alluvium, 38-46 m above the present river level
Associated taxa
Mammalia: Bison sp
Comments
GePh-VP, Athabasca: Bison bones were collected by gravel pit operators and appear to derive from a bed about 4-5 m below the surface. GSC-1205 dates the initial period of postglacial sedimentation by Athabasca River following the draining of glacial Lake Athabasca. The date is in general agreement with GSC-1380 (10,200 +/- 280 BP) on freshwater gastropod shells that were deposited on the floor of glacial Lake Athabasca which had occupied the site immediately prior to the establishment of the postglacial drainage network.

References