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Lab number
GSC-1894
Material dated
bison bone collagen; collagène osseux de bison
Taxa dated
Bison bison occidentalis ribs (921 g, id. by D.M. Shackleton)
Locality
11.3 km east and 3.2 km south of Three Hills, 808-814 m asl, Threehills Creek valley, Red Deer drainage, Alberta
Map sheet
82 P/11
Submitter
L.V. Hills
Date submitted
May 26, 0098
Measured Age
9630 ± 300
Normalized Age
9720 ± 300
δ13C (per mil)
-18.9
Significance
palaeobiology; paléobiologie
Context
sand, 5+ m thick, underlain by coarse gravel, overlain by 20-50 cm of grey to yellow clay, and 2.2-2.5 m of bouldery diamicton
Associated taxa
Mammalia: Bison bison occidentalis, Cervus elaphus nelsoni
Comments
EkPg-VP, Milan: Bison and wapiti remains were exposed in a specially dug excavation on the farm of S. Milan. The diamicton overlying the bones was first interpreted as a till, and an age of 22,000 to 23,000 years was expected. The postglacial age of two samples of bison ribs suggests that the diamicton has another origin, perhaps slumped material derived primarily from a till deposited at an earlier date.

References