Rīga Formation
| Belongs to | Baltic lithostratigraphy (Silurian) |
| Type | lithostratigraphy |
| Rank | Formation |
| Scope | regional |
| Status | formal standard |
| Author | Ulst |
| Year | 1976 |
| Etymon | Rīga city (L) |
| Original locality | Škirotova core |
| Age (Ma) | lower Silurian |
| Index | J1R |
| Alt. index | S2rg |
| Date added | 2009-04-21 |
| Date changed | 2014-11-28 |
Locality | Type | From (m) | To (m) | Reference | Remarks | |
|---|---|---|---|---|---|---|
holostratotype | 561 | 685 | Ulst, 1976a | Škirotava-D2 core, Skrunda dep. |
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