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. 2012 May 30;109(24):9299-9303. doi: 10.1073/pnas.1114043109

Fig. 2.

Fig. 2.

Comparison of the Pb–Pb ages recalculated using the average 238U/235U ratio obtained from all angrite samples analyzed in this study with the previously reported Pb–Pb ages (see Table 2 for references). Recalculated age uncertainties include total 2SD uncertainties propagated from the uncertainties on the U isotope ratio measurements and the spike composition.