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- Lab number
- M-67
- Material dated
- Bone
- Taxa dated
- Mammut americanum tusk (id. by C.W. Hibbard)
- Type of date
- paleontological
- Locality
- Washtenaw
- Submitter
- C.W. Hibbard
- Date uploaded
- January 17, 2024
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 6300 ± 250
- Normalized Age
- 6545 ± 200
- δ13C (per mil)
- -10.0
- Significance
- palaeobiology, anomalous, young; paléobiologie, anormal, jeune
- Context
- outwash sand and gravel 12 miles southwest of Ann Arbor
- Additional information
- Radiometric
- Comments
- other solid carbon date of 6100 +/- 200