Baltic lithostratigraphy (Ordovician)
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Stratigraphy | Index | Index add'l | Type | Rank | Scope | Belongs to | Age (Ma) | Age | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
Base | Top | ||||||||||
| Hirmuse Formation | DIIIH | O3hr | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Oandu Stage | ||||
| Adila Formation | FIcA | O3ad | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Pirgu Stage | ||||
| Ärina Formation | FIIÄ | O3är | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Porkuni Stage | ||||
| Aseri Formation | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Aseri Stage | ||||||
| Kahula Formation | O3kh | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Viru Series | |||||
| Leetse Formation | BIL | O1lt | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Latorp Superstage | ||||
| Türisalu Formation | AII-IIIS'T | O1tr | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Pakerort Stage | ||||
| Varangu Formation | AII-IIIS'V | O1vr | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Öland Series | ||||
| Paekna Formation | DIIFIaV'P | O3pk | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Nabala Stage | ||||
| Saunja Formation | DIIIFIaV'S | O3sn | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Nabala Stage | ||||
| Moe Formation | FIcM | O3mo | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Pirgu Stage | ||||
| Jonstorp Formation | FIcJ | O3jn | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Pirgu Stage | ||||
| Saldus Formation | O3sl | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Porkuni Stage | |||||
| Kuldiga Formation | O3kl | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Porkuni Stage | |||||
| Väo Formation | CIb-cV | O2vä | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Purtse Subseries | ||||
| Kõrgekallas Formation | CIcK | O2kr | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Uhaku Stage | ||||
| Taurupe Formation | O2tr | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Uhaku Stage | |||||
| Stirnas Formation | O2st | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Lasnamägi Stage | |||||
| Adze Formation | CIII-DII | O3adz | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Kurna Subseries | ||||
| Äiamaa Formation | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Pirgu Stage | ||||||
| Baldone Formation | O2bl | O2bl | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Kunda Stage | ||||
| Baltinava Formation | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Pirgu Stage | ||||||
| Bičinūai Formation | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Kunda Stage | ||||||
| Blidene Formation | O3bl | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Keila Stage | |||||
| Daugavpils Formation | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Purtse Subseries | ||||||
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