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Summary of four Gujba chondrules analyzed with regressed absolute Pb-Pb ages.
| Chondrule | Weight (mg) | Pbr (ng) | Pbr (ppb) | Age (Myr) | MSWD | N |
|---|---|---|---|---|---|---|
| C1 | 123.7 | 3.8 | 30.7 | 4562.39 ± 0.49 | 0.70 | 9 |
| C2 | 91.8 | 2.5 | 27.2 | 4562.32 ± 0.52 | 0.25 | 8 |
| C3 | – | 1.6 | – | 4562.66 ± 0.43 | 0.50 | 8 |
| C4 | 43.1 | 0.8 | 18.6 | 4562.50 ± 0.36 | 1.50 | 12 |
| Collective | – | – | – | 4562.47 ± 0.22 | 1.02 | 31 |
| Mean | – | – | – | 4562.49 ± 0.21 | 0.41 | 4 |
MSWD = mean square of weighted deviations; N = number of fractions used in the regression.
