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Lab number
S-3544
Field number
93-DCA-065
Material dated
walrus bone collagen; collagène osseux de morse
Taxa dated
Odobenus rosmarus tusk (id. by A.S. Dyke)
Locality
12 km east-southeast of Owen Point, 37 m asl, Wellington Channel coast of Devon Island, Nunavut
Map sheet
58 G/16
Submitter
A.S. Dyke
Date submitted
August 21, 0098
Measured Age
1490 ± 170
Normalized Age
1680 ± 170
δ13C (per mil)
-13.8
Significance
palaeobiology; paléobiologie
Context
alluvial gravel at apex of alluvial fan overlooking Wellington Channel
Associated taxa
Mammalia: Odobenus rosmarus
Comments
QlJm-VP: A scatter of walrus bones was partly buried in alluvial fan gravel along a distance of about 50 m right at the edge of the fan near its apex where it has incised 3 m below the crest of adjacent raised beaches. The sample consists of a skull with both tusks and most molars and a mandible. The minor extent of scattering and the location of the bones indicate that they were eroded from the adjacent beach, the crest of which is at 40 m asl. The marine limit directly inland from this site is at about 89 m. The left tusk was complete and measured 44.5 cm long (maximum straight line length) and 5.4 cm wide at its widest part (at the gum line). The age determination indicates that this animal wandered inland and died and that it has no relative sea level significance.

References