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Canada / BC / DeRt-2 (Pender Canal) / SFU-598
- Lab number
- SFU-598
- Material dated
- charcoal; charbon de bois
- Locality
- North Pender Island, Strait of Georgia, British Columbia
- Map sheet
- 92 B/14
- Date submitted
- April 3, 0098
- Date uploaded
- February 14, 2020
- Normalized Age
- 840 ± 55
- Significance
- Strait of Georgia; détroit de Georgia
- Context
- Late Midden deposit, 37.00S/25.00W, 10-40 cm depth, hearth
- Comments
- DeRt-2, Pender Canal: This is a deep stratified shell midden, 400 x 20 m, 2.0-2.4 m deep. Carlson and Hobler summarize the results of extensive salvage excavations at this site, and they present 29 radiocarbon dates. They note that periodization of the deposits is complicated by the fact that the depths of the dated samples afford no clear basis for subdividing the chronology. The midden grew from north to south, but the oldest dates may occur in shallow deposits where the sequence is compressed or near the bottom of deep deposits. They distinguish three sequent depositional units: (1) an Early Midden deposit at the northwest end of Mound 1 dating between 5000 and 4500 BP; (2) a Main Midden deposit dating between 4500 and 2500 BP, centered on Mound 1 but covering most of the site; and (3) a Late Midden deposit dating between 2500 and 800 BP that includes the upper 50 cm of Mound 1 and all of Mound 2. The humus layer contains a mixture of Late Midden artifacts and Euro-Canadian materials. Only two dates on burials are assigned to the Early Midden deposit which is not identified as to a cultural affiliation. Most of the dates pertain to the Main Midden deposit with an artifact content assignable to the Mayne Phase of local culture history. The Late Midden deposit spans the time periods of the Locarno Beach, Marpole, and San Juan phases of the local sequence, among which all but the Marpole phase are dated by samples from this site. Chisholm (1986: 138-139) determined 13C ratios for many of the dated burials. For AMS dates from the RIDDL lab, those ratios are entered here without altering the reported age which is presumed to be normalized. Three SFU dates on burials are assumed to be reported as uncorrected ages, and they are normalized here with minimum ratios.