Oandu age
452.8 - 451.8 Ma
The definition of this interval in the timescale Ordovician of the Baltic is taken from the following source:
- F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view
There are intervals in 7 timescales which overlap this one. show
This interval is used in the definition of 219 collections
A total of 128 collections with 844 occurrences lie within this time span
| International Chronostratigraphic Timescale | Ordovician of the Baltic | ||||||
|---|---|---|---|---|---|---|---|
| Ordovician | Late Ordovician | Hirnantian | Harju | Porkuni | 443.1 | ||
| Katian | Pirgu | 445.2 | |||||
| Vormsi | 449.5 | ||||||
| Nabala | Johvi † | 449.9 | |||||
| Viru | Rakvere | 450.5 | |||||
| Oandu | 451.8 | ||||||
| Sandbian | Keila | Idavere † | 452.8 | ||||
| Haljala | 453.9 | ||||||
| Kukruse | 456.8 | ||||||
| Uhaku | Aluoja † | 458 | |||||
| Middle Ordovician | Darriwilian | 458.2 | |||||
| Lasnamagi | 459.7 | ||||||
| Aseri | 461.4 | ||||||
| Oeland | Kunda | 464.3 | |||||
| Valaste †/Hunderum | 465.9 * | ||||||
| Volkhov | Langevoja †/Vaana/Saka | 469.1 * | |||||
| Dapingian | 469.4 | ||||||
| Early Ordovician | Floian | Billingen | 471.3 * | ||||
| Latorp † | 472.1 * | ||||||
| Hunneberg | 475.6 * | ||||||
| Tremadocian | 477.1 | ||||||
| Varangu | 482.9 * | ||||||
| Pakerort | 483.8 * | ||||||
| 486.4 * | |||||||
| 486.85 | |||||||