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Lab number
GSC-2298
Field number
HH71-21-3
Material dated
beaver-gnawed poplar wood; bois de peuplier rongé par des castors
Taxa dated
Populus sp. (11.7 g, id. by L.D. Farley-Gill)
Locality
275 m asl, Mackenzie drainage, Northwest Territories
Map sheet
106 O/03
Submitter
O.L. Hughes
Date submitted
February 20, 0098
Measured Age
9560 ± 120
Normalized Age
9560 ± 120
δ13C (per mil)
-25.0
Significance
palaeobiology; paléobiologie
Context
base of an organic silt lens, 2.4 m thick, at the top of the headwall of a retrogressive thaw flow slide, disconformably overlying glaciolacustrine clay
Associated taxa
Mammalia: Castor canadensis (inferred from gnaw-marks on wood)
Comments
MgTj-VP, Grandview Hills: Hughes commented that the organic silt is interpreted to be filling in a thermokarst pond developed by thawing of subjacent ice-rich clay.

References