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Canada / NS / AlCa-? / CAMS-43270
- Lab number
- CAMS-43270
- Field number
- CR-97-A
- Material dated
- walrus bone collagen; collagène osseux de morse
- Taxa dated
- Odobenus rosmarus cranium (id. by C.R. Harington)
- Locality
- North beach, Sable Island, Nova Scotia
- Map sheet
- 10 N/16
- Submitter
- A.S. Dyke and C.R. Harington
- Date submitted
- October 19, 0098
- Measured Age
- 1970 ± 80
- Normalized Age
- 2180 ± 80
- δ13C (per mil)
- -12.0
- Significance
- palaeobiology; paléobiologie
- Context
- modern beach surface
- Associated taxa
- Mammalia: Odobenus rosmarus
- Additional information
- AMS date.
- Comments
- AlCa-VP: The cranium of an adult male walrus was found washing out on the modern beach surface. The sample was extracted as ultrafiltered gelatin. It was then treated by acid hydrolysis (6N HCl), and amino acid carboxyl CO2 was released using ninhydrin reagent. The delta 13C value of -12 per mil is estimated for this carboxyl CO2.