Stratigraphy
Oru Member
| Belongs to | Gdov Formation |
| Type | lithostratigraphy |
| Rank | Member |
| Scope | regional |
| Status | formal standard |
| Author | Erisalu, E. |
| Year | 1965 |
| Etymon | Oru 315 borehole, NE Estonia (=Voka 315 borehole) |
| Age (Ma) | Kotlin Stage |
| Index | EgdO |
| Alt. index | V2gdO |
| Alt. index | Vgdo |
| Date added | 2012-10-16 |
| Date changed | 2026-04-06 |
Locality | Type | From (m) | To (m) | Reference | Remarks | |
|---|---|---|---|---|---|---|
| Meriküla F-169 borehole | neostratotype | 205.3 | 206 | Mens, 1992 (comp) | ||
| Venevere 500 borehole, Lääne-Virumaa | hypostratotype | 321.6 | 322.8 | Mens, 1992 (comp) | ||
| Voka 315 borehole | holostratotype | 217.2 | 217.8 | Mens, 1992 (comp) | südamik hävinud tulekahjus 1969; core not preserved |
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