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Lab number
Beta-223713
Material dated
Charcoal
Type of date
Archaeological
Locality
Moffat
Date uploaded
January 15, 2024
Updater
Wyoming team
Date updated
December 31, 2020
Normalized Age
4360 ± 50
δ13C (per mil)
-24.1
Stratigraphic component
ca 100-110 cm bmgs
Context
Structure 1 house floor. AMS date on bitterbrush charcoal. Four contemporaneous dates (Feature 1, 2, 8, and 10) place the use of Structure 1 sometime between cal 3370 to 3110 BC. Located in Locus 1. Slightly ovoid, irregular in shape. Originated ca. 100-110 cm bmgs. Meas. 4.13 x 3.50 m in dia; 40 cm deep. No postholes identified. Two interior hearths, Features 8 and 10. Nearly black color of the lower fill suggests that the superstructure burned. GS tools found atop a thin layer floor fill at E edge of the structure. Floor and floor fills: 339 bone frags., 2 cores, 1 core chopper/HS, 5 expedient tools. Two extramural thermal features are likely assoc. with the structure.
Additional information
AMS

References