Tõstamaa Group
| Belongs to | Baltic lithostratigraphy (Silurian) |
| Type | lithostratigraphy |
| Rank | Group |
| Original rank | formation |
| Scope | regional |
| Status | formal standard |
| Author | Kaljo |
| Year | 1990 |
| Etymon | Tõstamaa penins. (E) |
| Original locality | Varbla core |
| Age (Ma) | lower Silurian |
| Date added | 2009-04-21 |
| Date changed | 2011-09-09 |
Locality | Type | From (m) | To (m) | Reference | Remarks | |
|---|---|---|---|---|---|---|
| Varbla 502 borehole | holostratotype | 19 | 62.3 | Einasto et al., 1977 | Keila dep. |
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