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Lab number
GSC-423
Field number
CMC- 45, C8
Material dated
charcoal; charbon de bois
Taxa dated
(8.0 g)
Locality
north shore of Montague Harbour, 1-3 m asl, western Galiano Island, Strait of Georgia, British Columbia
Map sheet
92 B/14
Date submitted
February 13, 0097
Date uploaded
February 14, 2020
Measured Age
1060 ± 80
Normalized Age
790 ± 130
δ13C (per mil)
-25.0
Significance
Strait of Georgia; détroit de Georgia
Stratigraphic component
Component 3
Context
black humus, yellow sand, scattered shell, Test Cut 3, S1', E4', 104" depth
Additional information
NaOH-leach omitted, date based on one 3-day count.
Comments
DfRu-13, Montague Harbour: This site is a stratified shell midden with three cultural horizons numbered from bottom to top: I. Locarno Beach phase; II. Marpole phase; III. Developed Coast Salish. Mitchell commented that as Montague Harbour I materials seemed to align closely with another Locarno Beach phase site, Pender Canal (DeRt-2) dated 2200 +/- 120 BP (M-1515), it was originally thought that samples from DfRu-13 would be 2000 to 2500 years old. Present dates must alter our opinion of Locarno Beach phase sites, but they do not mean a substantial realignment in thinking. Three of the seven samples submitted to the National Museum were never forwarded to a radiocarbon laboratory.

References