Vadja Substage
| Belongs to | Narva Stage |
| Type | chronostratigraphy |
| Rank | Substage |
| Scope | regional |
| Author | Valiukevičius, J. J. |
| Year | 1981 |
| Etymon | Vadja people living on the Narva River area |
| Date changed | 2022-12-05 |
Locality | Type | From (m) | To (m) | Reference | Remarks | |
|---|---|---|---|---|---|---|
| Narva opencast mine | holostratotype | Quarry of bituminous shales, placed 10 km southeastern Sirgala | ||||
| Narva river Devonian outcrop | hypostratotype |
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