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Lab number
GX-10865
Material dated
bone collagen; collagène osseux
Taxa dated
155.0 g
Locality
on the east bank of the Red River, just north of Winnipeg, Manitoba
Map sheet
62 I/02
Submitter
A.P. Buchner
Date submitted
April 2, 0097
Measured Age
1410 ± 290
Normalized Age
1490 ± 290
δ13C (per mil)
-20.0
Significance
Woodland, Laurel; Sylvicole
Stratigraphic component
Bed F
Context
Bed F, N142/W36, 1.42 m depth
Associated taxa
Mammalia: Alces alces, Cervus elaphus, Bison bison, Canis sp, Ursus americanus, Taxidea taxus, Mephitis mephitis, Lutra canadensis, Thomomys sp, Castor canadensis, Ondatra zibethicus, Blarina brevicauda, Erethizon or Castor, Leporidae, Sciuridae, Geomyidae; Aves, Reptilia, Amphibia, Pisces, Mollusca (11 taxa)
Additional information
It is assumed that this date was not corrected previously for isotopic fractionation.
Comments
EaLf-1, Lockport: This site is unusually important for several reasons. It contains one of the few deeply stratified sequences in Manitoba. It has produced evidence of the northernmost aboriginal corn horticulture in Canada. It is well dated by a series of 16 radiocarbon measurements that aid the reconstruction of fluvial sedimentology and palaeoecology in the Red River valley. The exact provenience and cultural affiliation of four AMS dates from the RIDDL lab have not yet been reported. Fauna: Aves: Buteo sp, Tympanuchus phasianellus, Gruidae; Reptilia, Chelonia, Colubridae; Amphibia, Anura; Pisces: Acipenser fulvescens, Hiodon sp, Esox lucius, Catostomus sp, Moxostoma sp, Ictalurus punctatus, Lota lota, Perca flavescens, Stizostedion sp, Aplodinotus grunniens; Mollusca (11 taxa)

References