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United States / MI / Keweenaw County / 20IR30 (Lookout) / M-1275d,e,f,g

Lab number
M-1275d,e,f,g
Material dated
Charcoal
Type of date
Archaeological
Locality
Keweenaw (Isle Royal)
Submitter
T. Bastian
Date uploaded
January 17, 2024
Updater
Wyoming Team
Date updated
December 31, 2020
Measured Age
4110 ± 130
Normalized Age
4110 ± 130
δ13C (per mil)
-25.0
Significance
geoarchaeology; géoarchéologie
Context
composite, pit 56, 3.4-5.1 ft depth, bottom of mine, deposits representing natural in-filling after abandonment, therefore limiting the age of mine use
Additional information
Radiometric

References