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Canada / ON / AdHh-? (Perry Farm) / GSC-211
- Lab number
- GSC-211
- Material dated
- plant remains; restes de plantes
- Locality
- 0.6 km northeast of Tupperville, Kent County, Ontario
- Map sheet
- 40 I/11
- Submitter
- A. Dreimanis
- Date submitted
- March 14, 0097
- Measured Age
- 11860 ± 170
- Normalized Age
- 12005 ± 310
- δ13C (per mil)
- -16.0
- Significance
- palaeobiology; paléobiologie
- Context
- plants which grew in place on a 10 cm thick lacustrine clayey, calcareous silt covered by a 1.83 m thick sand bar
- Associated taxa
- Mammalia: Mammut americanum
- Additional information
- The normalized age represents the correction recommended for submerged freshwater plants (Stuiver and Polach, 1977: Fig. 1).
- Comments
- AdHh-VP, Perry Farm: Two samples of plant remains were collected from silt that was deposited in the Sydenham River delta in early Lake St. Clair. The dates are minimum for the inception of the lake, and maximum for mastodon remains found above the samples.