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Canada / BC / HiTp-63 (Grizzly Run) / SFU-129
- Lab number
- SFU-129
- Material dated
- charred plant remains; restes de plantes carbonisés
- 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
- 4870 ± 120
- δ13C (per mil)
- -25.0
- Significance
- culture?
- Context
- Component 2, in dark yellow-brown silt just above light grey rhyolitic tephra
- Additional information
- The sample was too small for a base rinse.
- 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.