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Lab number
Beta-224812
Material dated
Sediment
Type of date
Archaeological
Locality
Moffat
Date uploaded
January 15, 2024
Updater
Wyoming team
Date updated
December 31, 2020
Normalized Age
8460 ± 50
δ13C (per mil)
-22.0
Context
AMS date on bulk soil sample from Feature 3, a circular pit and assoc., irregular ash scatter in Block 2. Meas 38 x 44 cm in dia., 31 cm deep. No lining; nearly flat botom. Originated 160 cm below datum in Stratum 1a, partially excavated into Stratum 3. Fill was dark sandy silt and yielded 7 FCR, 2 FSTs, 3 pieces of debitage and a mano frag.. Ash and small frags. of charcoal also in the fill. A large diffuse ash dump was located directly adjacent to the feature. The latter meas. ca. 90 x 95 cm in dia. Feature is considered early Pioneer period of the Archaic. Interpreted as an expedient hearth/small roasting pit that was intentionally cleaned out (or the ash dump may be natural because of the wind direction.)
Additional information
AMS

References