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Lab number
TO-5650
Field number
DF-95-98-115
Material dated
bison bone collagen; collagène osseux de bison
Taxa dated
Bison cf. B. priscus right metacarpal (id. by C.R. Harington)
Locality
confluence of Thomas Gulch and Klondike River, 340 m asl, 3 km east of Dawson, Yukon drainage, Yukon Territory
Map sheet
116 B/03
Submitter
A. Duk-Rodkin
Date submitted
September 9, 0098
Normalized Age
39290 ± 540
Significance
palaeobiology; paléobiologie
Context
grey sandy silt 5 cm below the surface of a natural cutbank exposure in an abandoned alluvial fan
Associated taxa
Mammalia: Bison priscus cf.
Additional information
AMS date.
Comments
LbVl-VP: C.R. Harington reports that a bison bone was collected 3.5 m above the present Klondike River in a 13.5 m exposure of alluvial fan sediments deposited from Thomas Gulch. Sediments above the specimen consist of a bouldery, sandy diamicton with interbedded lenses of fluvial pebbly sand. The collectors estimate the age of the bone to be between 25,000 and 5,000 BP and consider that this fossil could provide a minimum age for the entrenchment of the Klondike River to its present base level, marked by the deposition of the alluvial fan sediments. It could also provide a minimum age for the Klondike River placer gold deposits. This is a new locality for Pleistocene bone. Excess sample material was sent to the Canadian Museum of Nature.

References