Stratigraphy
Katian
Stratigraphy | Index | Index add'l | Type | Rank | Scope | Belongs to | Age (Ma) | Age | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
Base | Top | ||||||||||
| Oandu Stage | DIII | O3ON | chronostratigraphy | Stage | regional | Vinni Subseries | 454.2 | 453.2 | Katian | ||
| Rakvere Stage | E | O3RK | chronostratigraphy | Stage | regional | Vinni Subseries | 453.2 | 452.0 | Katian | ||
| Nabala Stage | FIa | O3NB | chronostratigraphy | Stage | regional | Kohila Subseries | 452.0 | 450.8 | Katian | ||
| Vormsi Stage | FIb | O3VR | chronostratigraphy | Stage | regional | Kohila Subseries | 450.8 | 449.8 | Katian | ||
| Pirgu Stage | FIc | O3PRG | chronostratigraphy | Stage | regional | Atla Subseries | 449.8 | 445.6 | Katian | ||
| Vinni Subseries | chronostratigraphy | Subseries | regional | Viru Series | 454.2 | 452.0 | Katian | ||||
| Voore Group | DIII-FIaV | lithostratigraphy | Group | regional | Baltic lithostratigraphy (Ordovician) | Katian | |||||
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