Results for *
Stratigraphy | Index | Index add'l | Type | Rank | Scope | Belongs to | Age (Ma) | Age | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
Base | Top | ||||||||||
| Precambrian | PC | chronostratigraphy | global | Global Chronostratigraphy | 4567.0 | 538.8 | |||||
| Archean | AR | chronostratigraphy | Eonothem | global | Precambrian | 4000.0 | 2500.0 | ||||
| Proterozoic | PR | chronostratigraphy | Eonothem | global | Precambrian | 2500.0 | 538.8 | ||||
| Vendian | chronostratigraphy | System | regional | Ediacaran | |||||||
| Phanerozoic | PH | chronostratigraphy | Eonothem | global | Global Chronostratigraphy | 538.8 | |||||
| Paleozoic | PZ | chronostratigraphy | Erathem | global | Phanerozoic | 538.8 | 251.9 | ||||
| Cambrian | Є | Ca, Cm | chronostratigraphy | System | global | Paleozoic | 538.8 | 485.4 | |||
| Lower Cambrian (old nomenclature) | Є1 | Ca1 | chronostratigraphy | Series | global | Cambrian | 542.0 | 521.0 | Cambrian | ||
| Middle Cambrian (old nomenclature) | Є2 | Ca2 | chronostratigraphy | Series | global | Cambrian | 521.0 | 510.0 | Cambrian | ||
| Upper Cambrian (old nomenclature) | chronostratigraphy | Series | global | Cambrian | 499.0 | 488.3 | Cambrian | ||||
| Ordovician | O | O | chronostratigraphy | System | global | Paleozoic | 485.4 | 443.8 | Paleozoic | ||
| Öland Series | chronostratigraphy | Series | regional | Baltic Ordovician | 489.8 | 463.8 | Ordovician | ||||
| Pakerort Stage | AII | O1PK | chronostratigraphy | Stage | regional | Iru Subseries | 489.8 | 486.2 | Tremadocian | ||
| Varangu Stage | AIII | O1VR | chronostratigraphy | Stage | regional | Iru Subseries | 486.2 | 483.4 | Tremadocian | ||
| Latorp Superstage | BI | chronostratigraphy | Superstage | regional | Ontika Subseries | 483.4 | 471.8 | Ordovician | |||
| Volkhov Stage | BII | O2VL | chronostratigraphy | Stage | regional | Ontika Subseries | 471.8 | 467.5 | Middle Ordovician | ||
| Kunda Stage | BIII | O2KN | chronostratigraphy | Stage | regional | Ontika Subseries | 467.5 | 463.8 | Darriwilian | ||
| Viru Series | chronostratigraphy | Series | regional | Baltic Ordovician | 463.8 | 452.0 | Upper Ordovician | ||||
| Aseri Stage | CIa | O2AS | chronostratigraphy | Stage | regional | Purtse Subseries | 463.8 | 463.0 | Darriwilian | ||
| Lasnamägi Stage | CIb | O2LS | chronostratigraphy | Stage | regional | Purtse Subseries | 463.0 | 462.6 | Darriwilian | ||
| Uhaku Stage | CIc | O2UH | chronostratigraphy | Stage | regional | Purtse Subseries | 462.6 | 460.9 | Darriwilian | ||
| Kukruse Stage | CII | O3KK | chronostratigraphy | Stage | regional | Purtse Subseries | 460.9 | 458.2 | Sandbian | ||
| Haljala Stage | CIII/DI | O3HL | chronostratigraphy | Stage | regional | Kurna Subseries | 458.2 | 456.2 | Sandbian | ||
| Idavere Substage | CIII | chronostratigraphy | Substage | regional | Haljala Stage | Sandbian | |||||
| Ojamaa | chronostratigraphy | regional | Idavere Substage | Sandbian | |||||||
| Shundorovo | chronostratigraphy | regional | Idavere Substage | Sandbian | |||||||
| Jõhvi Substage | DI | chronostratigraphy | Substage | regional | Haljala Stage | Sandbian | |||||
| Keila Stage | DII | O3KL | chronostratigraphy | Stage | regional | Kurna Subseries | 456.2 | 454.2 | Upper Ordovician | ||
| Laagri Substage | DIIβ | chronostratigraphy | Substage | regional | Keila Stage | Upper Ordovician | |||||
| Ristna Substage | DIIα | chronostratigraphy | Substage | regional | Keila Stage | Upper Ordovician | |||||
| Oandu Stage | DIII | O3ON | chronostratigraphy | Stage | regional | Vinni Subseries | 454.2 | 453.2 | Katian | ||
| Hirmuse Formation | DIIIH | O3hr | lithostratigraphy | Formation | regional | Baltic lithostratigraphy (Ordovician) | Oandu Stage | ||||
| Rakvere Stage | E | O3RK | chronostratigraphy | Stage | regional | Vinni Subseries | 453.2 | 452.0 | Katian | ||
| Harju Series | chronostratigraphy | Series | regional | Baltic Ordovician | 452.0 | 443.7 | Upper Ordovician | ||||
| 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 | ||
| Porkuni Stage | FII | O3POR | chronostratigraphy | Stage | regional | Atla Subseries | 445.6 | 443.7 | Hirnantian | ||
| Silurian | S | chronostratigraphy | System | global | Paleozoic | 443.8 | 419.2 | Paleozoic | |||
| lower Silurian | chronostratigraphy | Series | regional | Baltic Silurian | 443.7 | 422.7 | Silurian | ||||
| Llandovery | S1 | S1 | chronostratigraphy | Series | global | Silurian | 443.8 | 433.4 | Silurian | ||
| Juuru Stage | G1-2 | S1JR | chronostratigraphy | Stage | regional | lower Silurian | 443.7 | 441.0 | Rhuddanian | ||
| Raikküla Stage | G3 | S1RK | chronostratigraphy | Stage | regional | lower Silurian | 441.0 | 436.7 | Llandovery | ||
| Adavere Stage | H | S1AD | chronostratigraphy | Stage | regional | lower Silurian | 436.7 | 428.2 | Llandovery | ||
| Wenlock | S2 | S2 | chronostratigraphy | Series | global | Silurian | 433.4 | 427.4 | Silurian | ||
| Jaani Stage | J1 | S1JN | chronostratigraphy | Stage | regional | lower Silurian | 428.2 | 427.0 | Sheinwoodian | ||
| Jaagarahu Stage | J2 | S1JG | chronostratigraphy | Stage | regional | lower Silurian | 427.0 | 424.6 | Wenlock | ||
| Rootsiküla Stage | K1a | S1RT | chronostratigraphy | Stage | regional | lower Silurian | 424.6 | 422.7 | Homerian | ||
| upper Silurian | chronostratigraphy | Series | regional | Baltic Silurian | 422.7 | 416.0 | Silurian | ||||
| Ludlow | S3 | S3 | chronostratigraphy | Series | global | Silurian | 427.4 | 423.0 | Silurian | ||