Hirmuse Formation
| Belongs to | Baltic lithostratigraphy (Ordovician) |
| Type | lithostratigraphy |
| Rank | Formation |
| Scope | regional |
| Status | formal standard |
| Author | Grigelis |
| Year | 1978 |
| Etymon | Hirmuse, stream (E) |
| Original locality | River bed outcrop |
| Age (Ma) | Oandu Stage |
| Index | DIIIH |
| Alt. index | O3hr |
| Date changed | 2014-09-02 |
Locality | Type | From (m) | To (m) | Reference | Remarks | |
|---|---|---|---|---|---|---|
holostratotype | Männil, Ralf & Rõõmusoks, 1984 | River bed outcrop | ||||
| Piilse 7909 borehole | hypostratotype | 9.8 | 12.4 | Põlma et al., 1988 |
Browse Geocollections
Partners
