Rhuddanian
General info
| Belongs to |
Llandovery
|
| Type | chronostratigraphy |
| Rank | Stage |
| Original rank | lade |
| Scope | global |
| Status | formal standard |
| Etymon | Cefn-Rhuddan Farm, Llandovery area |
| Age top (Ma) | 440.8 |
| Age base (Ma) | 443.8 |
| Date added | 2003-04-02 |
| Date changed | 2022-11-04 |
| Stratigraphy | Index | Index add'l | Type | Rank | Scope | Belongs to | Age base (Ma) | Age top (Ma) | Age |
|---|---|---|---|---|---|---|---|---|---|
| Juuru Stage | G1-2 | S1JR |
chronostratigraphy
|
Stage
|
regional
| lower Silurian | 443.7 | 441 |
Rhuddanian
|
Browse Geocollections
Partners
