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- Lab number
- TO-2224
- Material dated
- walrus bone collagen; collagène osseux de morse
- Taxa dated
- Odobenus rosmarus cranium (1600 mg, id. by C.R. Harington)
- Locality
- Sainte-Julienne-de-Montcalm area, 60 km north of Montréal, Montréal region, St. Lawrence lowland, Québec
- Map sheet
- 31 H/13
- Submitter
- C.R. Harington
- Date submitted
- July 28, 0098
- Normalized Age
- 10500 ± 60
- Significance
- palaeobiology, Champlain Sea; Palébiologie, Mer Champlain
- Context
- reddish clay deposited in the Champlain Sea
- Associated taxa
- Mammalia: Odobenus rosmarus
- Additional information
- AMS date. The age reported by Bouchard, et al. (10,090 +/- 60 BP) reflects a marine reservoir correction of 410 years.
- Comments
- BlFk-VP: This is the first report of walrus remains from Champlain Sea deposits west of Québec City. In addition to TO-2224 on walrus bone, a date of 10,800 +/- 60 BP (TO-2225) was obtained on a valve of the marine mollusc Macoma balthica that was found in clay adhering to the interorbital region of the walrus cranium. The discrepancy between the two dates is attributed to the mollusc shell having been redeposited.