Open Access
Table 2
Age groups for the sample of OCs considered in this study.
| Age (Myr) | Sample size | |
|---|---|---|
| Young | 0 < Age ≤ 200 | 969 |
| Intermediate young | 200 < Age ≤ 500 | 333 |
| Intermediate old | 500 < Age ≤ 1000 | 250 |
| Old | Age > 1000 | 191 |
| All | – | 1743 |
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