Viru Series
General info
| Belongs to |
Baltic Ordovician
|
| Type | chronostratigraphy |
| Rank | Series |
| Scope | regional |
| Status | formal standard |
| Etymon | Virumaa, region in NE Estonia |
| Age top (Ma) | 452 |
| Age base (Ma) | 463.8 |
| Age (Ma) |
Ordovician
|
| Age reference | Cooper & Sadler, 2004 |
| Date changed | 2022-06-09 |
| Stratigraphy | Index | Index add'l | Type | Rank | Scope | Belongs to | Age base (Ma) | Age top (Ma) | Age |
|---|---|---|---|---|---|---|---|---|---|
| Purtse Subseries |
chronostratigraphy
|
Subseries
|
regional
| Viru Series | 463.8 | 458.2 |
Ordovician
| ||
| Kurna Subseries |
chronostratigraphy
|
Subseries
|
regional
| Viru Series | 458.2 | 454.2 |
Upper Ordovician
| ||
| Vinni Subseries |
chronostratigraphy
|
Subseries
|
regional
| Viru Series | 454.2 | 452 |
Katian
|
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