Jelgava Formation
| Belongs to | Baltic lithostratigraphy (Ordovician) |
| Type | lithostratigraphy |
| Rank | Formation |
| Scope | regional |
| Status | formal standard |
| Author | Ulst & Gailite |
| Year | 1976 |
| Etymon | Jelgava, town (L) |
| Original locality | Dobele-92 drill core, interval 1234.0-1242.0 m |
| Age (Ma) | Pirgu Stage |
| Alt. index | O3jl |
| Date added | 2009-10-02 |
| Date changed | 2022-02-12 |
Locality | Type | From (m) | To (m) | Reference | Remarks | |
|---|---|---|---|---|---|---|
| Dobele 92 borehole | holostratotype | 1234 | 1242 | Ulst & Gailite, 1976 |
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