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- Lab number
- GSC-1222
- Material dated
- mastodon bone collagen; collagène osseux de mastodonte
- Taxa dated
- Mammut americanum (505 g, id. by C.R. Harington)
- Locality
- 2 km southwest of the village of Hillsborough, on the west side of the Petitcodiac River estuary, 30 m asl, about 22 km south of the city of Moncton, Albert County, New Brunswick
- Map sheet
- 21 H/15
- Submitter
- D.R. Grant
- Date submitted
- June 17, 0098
- Normalized Age
- 13600 ± 220
- δ13C (per mil)
- -21.1
- Significance
- palaeobiology, anomalous, young; paléobiologie, anormal, jeune
- Context
- a sinkhole pond in gypsum, with peat, organic silt and mastodon coprolites
- Associated taxa
- Mammalia: Mammut americanum
- Comments
- BlDd-VP, Hillsborough Mastodon: D.R. Grant (in Blake, 1983: 9) considers this find to be the best documented occurrence of a Pleistocene elephant east of Hudson River. However, all four radiocarbon dates are judged to be minimal. The oldest three are at or near the limit of radiocarbon dating, and the youngest, on whole bone, may have been contaminated by a preservative. An associated pollen assemblage suggests assignment to a cool phase of the Sangamonian interglaciation, probably oxygen-isotope substage 5a.