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- Lab number
- GSC-2940
- Material dated
- marine shell; coquillage
- Taxa dated
- Saxidomus gigantea (id. by W. Blake, Jr.)
- Locality
- Hesquiat Harbour, 1.3 km southwest of Boat Basin, Vancouver Island, British Columbia
- Map sheet
- 92 F/06
- Date submitted
- March 8, 0099
- Date uploaded
- February 14, 2020
- Normalized Age
- 2150 ± 60
- δ13C (per mil)
- -0.0
- Significance
- geoarchaeology; géoarchéologie
- Context
- beach sand overlying cultural deposits in a sea-carved cave, 5.9 m asl
- Comments
- DiSi-no #, Hesquiat site 12: D.E. Howes comments that the cave was probably used by Indians shortly after it became elevated above high tide. Following initial occupation, however, the cave was subject to occasional marine incursion, possibly during catastrophic storms or as a result of tsunamis. Thus, the beach sands with shells probably were deposited when the cave floor was 1-2 m above the then high water line, that is 2-3 m above present high tide level. Emergence of 2-3 m in 1700 years or less for the west side of Vancouver Island is indicated by this date.