Stratigraphy
Viru Series
Stratigraphy | Index | Index add'l | Type | Rank | Scope | Belongs to | Age (Ma) | Age | |||
---|---|---|---|---|---|---|---|---|---|---|---|
Base | Top | ||||||||||
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 | 452.0 | Katian |
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