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Lab number
ISGS-17 A
Material dated
mastodon bone; os de mastodonte
Taxa dated
Mammut americanum
Locality
Champaign County, Illinois
Map sheet
e
Submitter
C. Collinson and J.P. Kempton
Date updated
March 13, 1999
Measured Age
7490 ± 200
Normalized Age
7570 ± 200
δ13C (per mil)
-20.0
Significance
palaeobiology, anomalous, young; paléobiologie, anormal, jeune
Context
homogeneous, gray, slightly sandy clay apparently deposited in a pond on the Urbana moraine

References