CARD fuzzes location data for public visitors to the database. Accessing CARD's full capabilities requires an account available only to researchers at accredited institutions.
- Lab number
- GSC-3802
- Field number
- 83-MIB-HBW (1)
- Material dated
- animal remains; restes d'animaux
- Taxa dated
- Balaena mysticetus fat (76.0 g dry)
- Locality
- Hall Beach Hamlet, Melville Peninsula, Arctic Coast, Nunavut
- Map sheet
- 47 A/15
- Submitter
- R. McNeely
- Date submitted
- September 24, 0098
- Measured Age
- 1090 ± 60
- Normalized Age
- 1120 ± 60
- δ13C (per mil)
- -23.0
- Significance
- palaeobiology; paléobiologie
- Context
- frozen beach gravel, 8 m asl
- Associated taxa
- Mammalia: Balaena mysticetus
- Comments
- NeHd-VP: See Blake (1988) for a discussion of cross-check dates on different sample materials and the implications of GSC-3850 for sea-level changes. Comment (R. McNeely): This excellently preserved material was analysed to compare the results on different fractions of the same sample, and to provide information required to assess the various treatments used on bone in preparation for radiocarbon dating. Although insufficient sample material was available from the original collection to process the bone 'apatite' fraction, two separate fractions, tissue and collagen (83-MIB-HBW 1 and 2, respectively) have been processed and dated with excellent agreement between their corrected ages. L.D. Arnold, Environmental Isotopes Section, Alberta Environmental Centre, Vegreville, Alberta has also processed a portion of the original sample and dated the collagen extracted with excellent agreement (AECV-92C, 1130 +/- 90 BP). Additional material was collected in August, 1985 by L.A. Dredge. Subsamples of this material are now available to other laboratories for cross-checking purposes. Comment (A. Dyke): These dates agree well with GSC-961, 1020 +/- 130 years B.P. on marine shells from a stony silt at Hall Beach, 7 m asl (Lowdon and Blake, 1968) and together show that emergence has proceeded at an average rate of about 0.7 m per century during the last 1000 years.