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Canada / ON / DeIo-___1 (Sturdy Bay) / M-1537
- Lab number
- M-1537
- Field number
- CMC-__25
- Material dated
- charcoal; charbon de bois
- Locality
- elevated beach, west side of Sturdy Bay, 12 m above the level of Lake Superior, 6.4 km northwest of Marathon, Thunder Bay District, Ontario
- Map sheet
- 42 D/16
- Submitter
- J.V. Wright
- Date submitted
- April 14, 0097
- Measured Age
- 3390 ± 140
- Normalized Age
- 3390 ± 140
- δ13C (per mil)
- -25.0
- Significance
- Shield Archaic; Archaïque de Bouclier
- Context
- base of Hearth 1, 15 cm depth
- Comments
- DeIo-1, Sturdy Bay: M-1537 was the first Shield Archaic date, and it also dates a beach elevated by isostatic rebound.