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) |
Upper Ordovician
|
| Age reference | Cooper & Sadler, 2004 |
| Date changed | 2024-05-06 |
| Stratigraphy | Index | Index add'l | Type | Rank | Scope | Belongs to | Age base (Ma) | Age top (Ma) | Age |
|---|---|---|---|---|---|---|---|---|---|
| Kahula Formation | O3kh |
lithostratigraphy
|
Formation
|
regional
| Baltic lithostratigraphy (Ordovician) |
Viru Series
| |||
| Mežciems Group |
lithostratigraphy
|
Group
|
regional
|
Viru Series
| |||||
| Variku Formation | O3vr |
lithostratigraphy
|
Formation
|
regional
| Baltic lithostratigraphy (Ordovician) |
Viru Series
|
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