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Lab number
GSC-2829
Field number
GK-76-1
Material dated
mammoth bone collagen; collagène osseux de mammouth
Taxa dated
Mammuthus sp. humerus (516 g)
Locality
Trio Ready Mix Gravel Pit, Saanich Peninsula, Vancouver Island, British Columbia
Map sheet
92 B/11
Date submitted
June 8, 0098
Date uploaded
February 14, 2020
Normalized Age
17000 ± 240
δ13C (per mil)
-21.8
Significance
palaeobiology; paléobiologie
Context
sandy and silty gravel, 16.5 m below the base of a 4.5 m thick till of late Fraser glaciation age
Comments
DdRu-VP, Saanich Peninsula: The gravel containing a mammoth humerus is the Quadra Sand of Clague (1977), earlier called the Saanichton gravel by Halstead (1968). Harington comments that Clague (1977) had noted that the Quadra Sand is older than 29,000 years at the north end of the Strait of Georgia, but is younger than 15,000 years at the south end of Puget Sound. GSC-2829 is in accord with the relatively late dates expected for organic material in Quadra Sand in such a southerly location. It provides the first indication of the geological age of Pleistocene land mammals on Vancouver Island.

References