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Lab number
Beta-223706
Material dated
Charcoal
Type of date
Archaeological
Locality
Moffat
Date uploaded
January 15, 2024
Updater
Wyoming team
Date updated
December 31, 2020
Normalized Age
3480 ± 50
δ13C (per mil)
-24.5
Context
Feature 6, AMS date on bitterbrush. A thermal feature within Feature 22, the activity area E of Structure 1. Meas. 52 cm in dia., 21 cm deep. Originated ca. 100 cm bmgs, within Stratum 2. Located only 15 cm NW of another hearth, Feature 2, but the 2 hearths have noncontemporaneous 14C dates. Fill was homogeneous black sand; no oxidation or FCRs. Only tiny pieces of charcoal present. Fill artifacts: 5 flakes, 3 of chert and 2 quartzite; 17 small bone frags. The feature is interpreted as being 1,000 yrs more recent than the nearby Structure 1
Additional information
AMS

References