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Lab number
Beta-252945
Material dated
Shell
Taxa dated
marine, Macoma nasuta
Type of date
Geological
Locality
San Francisco
Date uploaded
January 15, 2024
Updater
Wyoming team
Date updated
December 31, 2020
Normalized Age
960 ± 40
δ13C (per mil)
-0.2
Context
350 Mission St., Core A2C1, horizon 4Cg, 430 to 550 cm below basement surface

References