Rokiškis Formation
| Belongs to | Baltic lithostratigraphy (Ordovician) |
| Type | lithostratigraphy |
| Rank | Formation |
| Scope | regional |
| Status | formal standard |
| Author | Laškovas et al. |
| Year | 1976 |
| Etymon | Rokiškis, town (Lithuania) |
| Age (Ma) | Darriwilian |
| Alt. index | O2rk |
| Date added | 2009-10-02 |
| Date changed | 2022-12-02 |
Locality | Type | From (m) | To (m) | Reference | Remarks | |
|---|---|---|---|---|---|---|
| Butkunai 241 borehole | holostratotype | 732.4 | 737.9 | Lashkov et al., 1976 |
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