Stratigraphy
Raikküla Stage
| Belongs to | lower Silurian |
| Type | chronostratigraphy |
| Rank | Stage |
| Scope | regional |
| Status | formal standard |
| Author | Schmidt |
| Year | 1881 |
| Etymon | Raikküla set. (E) |
| Original locality | Raikküla-Paka scarp+core |
| Age top (Ma) | 436.7 |
| Age base (Ma) | 441 |
| Age (Ma) | Llandovery |
| Age reference | Melchin et al., 2004 |
| Index | G3 |
| Alt. index | S1RK |
| Date changed | 2014-11-28 |
Locality | Type | From (m) | To (m) | Reference | Remarks | |
|---|---|---|---|---|---|---|
| Raikküla H-138 borehole | holostratotype | 0.5 | 35 | Nestor, H., 1987a | Raikküla-Paka scrap + core, Keila dep. | |
| Raikküla Paka terrace | holostratotype | Nestor, H., 1987a |
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