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- Lab number
- TBN-311
- Material dated
- Bone
- Taxa dated
- Mammuthus cf. imperator tusk (id. by M. Mehl)
- Type of date
- Archaeological
- Locality
- Caddo
- Submitter
- F.C. Leonhardy
- Date uploaded
- January 17, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 4952 ± 304
- Normalized Age
- 5032 ± 304
- δ13C (per mil)
- -20.0
- Significance
- Palaeoindian, Clovis, anomalous, young
- Context
- mammoth bone bed with Clovis points in lower member of the Domebo Formation, exposed to contamination from humic slumps and stream action
- Associated taxa
- Mammuthus imperator cf.
- Additional information
- Radiometric
- Comments
- It seems that whole tusk was used for this date, so the normalized age is a minimum, and contamination by recent humates is suspected.; Lab identifier should probably be TBNC as there is no TBN