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Lab number
SFU-147
Material dated
charcoal; charbon de bois
Locality
south side of Bourgeaux Valley, nearly half way between the northern entrance to Rocky Pass and Point Creek, Mount Edziza, Stikine drainage, British Columbia
Map sheet
104 G/07
Date uploaded
February 14, 2020
Normalized Age
3910 ± 120
δ13C (per mil)
-23.5
Significance
culture?
Context
cavity between large rocks, extending through entire post-glacial profile
Comments
HiTp-63, Grizzly Run: SFU-129 dates Component 2, just above Ash 1 (of the Raspberry Bog sequence) and below redeposited Ash 2, the Ash 3 "cinder" layer and Ash 4. The date is accepted as a reasonable estimate of the age of the oldest cultural occupation at Grizzly Run and is the oldest culturally associated date from the Edziza region. Another sample from Component 2 proved to be too small for dating. SFU-147 consisted of a large volume of wood charcoal from a cavity between several large rocks, which extended from the glacio-fluvial substrate to within a few centimetres of the modern surface. This was directly associated with a number of obsidian flakes but it could not, in the field, be given a positive stratigraphic relationship. It may be a reasonable estimate for the age of Component 1 and is probably a direct result of that occupation.

References