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Lab number
RL-904
Material dated
bison bone collagen; collagène osseux de bison
Taxa dated
Bison sp. skull
Locality
northwest Calgary on the south side of the Bow valley, Alberta
Map sheet
82 O/01
Submitter
M.C. Wilson
Date submitted
February 14, 0098
Measured Age
1560 ± 120
Normalized Age
1640 ± 120
δ13C (per mil)
-20.0
Significance
palaeobiology; paléobiologie
Context
3.6 m below the surface of a tributary alluvial fan
Associated taxa
Mammalia: Bison sp
Additional information
It is assumed that this date was not corrected previously for isotopic fractionation.
Comments
EgPm-116, Edworthy Park: Edworthy Fan is listed as an archaeological site on the basis of the bone occurrences, but its chief importance to archaeologists is as an example of certain geological processes. This fan was built out over two terraces of the Bow River. Each of the terrace surfaces was available for human occupation for as many as several thousand years before fan encroachment. In contrast, the fan surfaces were stable for only a few hundred years. Thus the fan surfaces may preserve well separated archaeological components while the terrace surfaces may yield mixed components representing accumulation over several millennia.

References