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Lab number
S-3586
Field number
94-DCA-211
Material dated
whale bone collagen; collagène osseux de baleine
Taxa dated
Balaena mysticetus periotic (id. by A.S. Dyke)
Locality
3.8 km west-northwest of Cape Home, Croker Bay, 3.5 m asl, Lancaster Sound coast of Devon Island, Nunavut
Map sheet
48 E/12
Submitter
A.S. Dyke
Date submitted
August 21, 0098
Measured Age
8390 ± 200
Normalized Age
8520 ± 200
δ13C (per mil)
-17.0
Significance
palaeobiology; paléobiologie
Context
gravel on a raised beach overlooking Lancaster Sound
Associated taxa
Mammalia: Balaena mysticetus
Comments
QdHl-VP: A periotic bone was collected from one side of a bowhead skull resting upside down on medium beach gravel and capped by eolian sand. The skull is not exposed enough to measure. The site is on the lowest raised beach ridge locally. The modern beach in this region is quite different from the series of raised beaches. The raised beaches are much less bulky than the modern one. The modern beach has a relief of as much as 6 metres, is coarser than the raised beaches (many boulders) and dams large lagoons that have no counterparts in the raised beach sequence. It appears to have resulted from a long period of submergence following the initial regression recorded by the raised beaches.

References