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- Lab number
- Beta-39224
- Material dated
- dog bone collagen; collagène osseux de chien
- Taxa dated
- Canis familiaris skull
- Locality
- north of Point Roberts, ca. 2 m asl, Strait of Georgia, British Columbia
- Map sheet
- 92 G/03
- Date submitted
- February 13, 0097
- Date uploaded
- February 14, 2020
- Measured Age
- 1260 ± 60
- Normalized Age
- 890 ± 60
- δ13C (per mil)
- -19.0
- Significance
- Marpole / Stselax
- Stratigraphic component
- Zone A
- Context
- Zone A, Layer AB/AC contact
- Additional information
- It is assumed that this has not been corrected previously for isotopic fractionation.
- Comments
- DgRs-2, Tsawwassen: The excavaters distinguish seven zones (A-G), each with its own stratigraphic and cultural sequence. R. Brolly (p.c. 1999) examined the reports from the Beta laboratory and confirmed that the dates on human bones are uncorrected ages. These must be normalized by adding at least 100 years to the mean, but they cannot be precisely corrected for isotopic fractionation in the absence of measured C-13 ratios.