1991, 1992

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
ISGS-2147 41000 -20.5
ISGS-2217 45900 -26.7
ISGS-2290 46200 ± 2100 -26.4
ISGS-2291 35480 ± 800 -27.6
ISGS-2292 35860 ± 850 -26.89
ISGS-2293 35300 -28.9
ISGS-2294 26090 ± 710 -26.9