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- Lab number
- Beta-350312
- Material dated
- Shell
- Taxa dated
- marine, clam
- Type of date
- Geological
- Locality
- San Francisco
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Normalized Age
- 3350 ± 30
- δ13C (per mil)
- -0.8
- Context
- Core TT-CS0, 6Cg, from Bay Mud above Colma and below dune sand