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Lab number
GX-4914
Field number
ROM-75974
Material dated
caribou bone; os de caribou
Taxa dated
Torontoceros hypogaeus antler (id. by C.S. Churcher)
Locality
subway excavation, west of Islington Station, 113 m asl, Lake Ontario, Ontario
Map sheet
30 M/12
Submitter
C.S. Churcher
Date submitted
January 26, 0098
Measured Age
11315 ± 325
Normalized Age
11395 ± 325
δ13C (per mil)
-20.0
Significance
palaeobiology; paléobiologie
Context
channel sand overlying glacial drift, underlying redeposited glacial clay
Associated taxa
Mammalia: = Rangifer tarandus?
Additional information
Whole antler was burned to prepare the sample. It is assumed that this date was not corrected previously for isotopic fractionation.
Comments
AjGv-VP, Toronto subway: Churcher and Peterson (1982) assign this specimen to a new genus and infer that it was deposited immediately after the drainage of Glacial Lake Iroquois in association with pollen representing a mixed hardwood-conifer forest. Spiess, et al. (1985) regard the specimen as a caribou (Rangifer tarandus).

References