Ruhnu Formation
| Belongs to | Baltic lithostratigraphy (Cambrian) |
| Type | lithostratigraphy |
| Rank | Formation |
| Scope | regional |
| Status | formal standard |
| Author | Kala jt |
| Year | 1984 |
| Etymon | Ruhnu Island, SW Estonia |
| Age (Ma) | Miaolingian |
| Index | Cm3rh |
| Date added | 2014-11-05 |
| Date changed | 2020-06-13 |
Locality | Type | From (m) | To (m) | Reference | Remarks | |
|---|---|---|---|---|---|---|
| Ruhnu | holostratotype | 706.8 | 748 | Kala et al., 1984a |
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