Late/Upper Ordovician
Late/Upper Ordovician
Hierarchy: | Phanerozoic Paleozoic Ordovician Late/Upper Ordovician |
---|---|
Classification: | Epoch (as per International Commission on Stratigraphy) |
Top: | 443.8 ± 1.5 Ma |
Base: | 458.4 ± 1.9 Ma |
Preceeds: | Silurian Llandovery Rhuddanian |
Primary Divisions: | HirnantianKatianSandbian |
Geologic Events
Event Name | Type | Age | Area |
---|---|---|---|
Ordovician–Silurian extinction events (concludes) | Mass Extinction Event | ~455 - ~430 Ma | Global |
Caledonian orogeny (concludes) | Orogeny | ~505 - ~400 Ma | Europe |
Overview of geological time
List all geological events