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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.

References