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- Lab number
- Beta-115209
- Material dated
- mammoth bone collagen; collagène osseux de mammouth
- Taxa dated
- Mammuthus sp. tusk (CMN-6747, id. by C.R. Harington)
- Locality
- near Muirkirk, Kent County, Ontario
- Map sheet
- 40 J/10
- Submitter
- C.R. Harington
- Date submitted
- August 16, 0099
- Measured Age
- 6440 ± 60
- Normalized Age
- 6510 ± 60
- δ13C (per mil)
- -20.0
- Significance
- palaeobiology, anomalous, young; paléobiologie, anormal, jeune
- Context
- excavated from the Ridgetown Island moraine
- Associated taxa
- Mammalia: Mammuthus sp
- Additional information
- Other elements of this skeleton are dated by Beta-17869 (8310 +/- 200) and GrA-22177 (12130 +/- 80).
- Comments
- AdHq-VP, Muirkirk: Two mammoth locations are on the Ridgetown Island Moraine which was submerged by Lake Whittlesey but exposed above subsequent Lake Warren. Both finds probably date to after 12,700 years BP, but Beta-17869 and Beta-115209, on one of them, are considered to be anomalously young.