NDLI: Helmeted Muskox (Bootherium bombifrons) from Near Fort Saskatchewan, Alberta: Dating Evidence for Redeposition in Late Pleistocene Alluvium

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Helmeted Muskox (Bootherium bombifrons) from Near Fort Saskatchewan, Alberta: Dating Evidence for Redeposition in Late Pleistocene Alluvium

Content Provider	Semantic Scholar
Author	Hills, L. V. Wilson, Michael Clayton
Copyright Year	2005
Abstract	Superimposition and intersection of preglacial and postglacial valley systems on the Canadian plains indicates that some of the recovered Quaternary vertebrate fossils may be redeposited. To test this proposition, an accelerator mass spectrometer (AMS) date was obtained on bone from a previously described helmeted muskox skull from near Fort Saskatchewan, Alberta. The specimen, identified as Bootherium bombifrons = Symbos cavifrons was previously thought to be Late Pleistocene (postglacial) in age but showed evidence of transport. A date of 30 570 ± 250 14C yrs BP indicates that it is of Middle Wisconsinan (pre-Last Glacial Maximum) age and therefore was ultimately derived from the Empress Formation (Saskatchewan Gravels and Sands) in the Edmonton area. Other vertebrate fossils must be assessed carefully in this light and direct dating is recommended wherever possible to facilitate both stratigraphic and paleontological studies.
Starting Page	237
Ending Page	240
Page Count	4
File Format	PDF HTM / HTML
DOI	10.7202/011316ar
Volume Number	57
Alternate Webpage(s)	https://www.erudit.org/fr/revues/gpq/2003-v57-n2-3-gpq954/011316ar.pdf
Alternate Webpage(s)	https://doi.org/10.7202/011316ar
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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