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Canada / NU / SgFm-3 (Longhouse) / GX-6071
- Lab number
- GX-6071
- Material dated
- bone collagen; collagène osseux
- Locality
- on Knud Peninsula, Ellesmere Island, Nunavut
- Map sheet
- 39 G/01
- Submitter
- P. Schledermann
- Date submitted
- October 31, 0097
- Measured Age
- 1100 ± 120
- Normalized Age
- 1260 ± 120
- δ13C (per mil)
- -15.0
- Significance
- Palaeoeskimo, Dorset; Paléoesquimau, Dorsétien
- Stratigraphic component
- Row 1
- Context
- hearth row 1, unit 1, 11-16 m asl
- Additional information
- It is assumed that marine mammal bone collagen was dated and not corrected previously for isotopic fractionation.
- Comments
- SgFm-3, Longhouse: A series of joined cooking features, often in rows 30-40 m in length, was located near extensive communal dwellings on the site. The contemporaneity of several hearths was tested by dating samples of charred willow wood, omitting spruce wood and charred bone (GSC-2757, GSC-2834, GSC-3141). Two bone samples were sent to the Geochron lab. A separate component on this site is termed the "Early Dorset Ridge" and is dated by a sample of charred bone (GSC-3262). The bone is presumed to represent sea mammals, but the 13C ratio is unusual for any kind of bone and is far-removed from the ratio for sea mammal bones. BM-1754 is a surface find dated to establish the rate of weathering in the Arctic environment.