The Geological Timescale
|
|---|
| Eon | Era | Period | Epoch | Time Span (Million years) |
Duration (Million years) |
|---|---|---|---|---|---|
| Phanerozoic |
Cenozoic | Quaternary | Holocene | - 0.01 | 0.01 |
| Pleistocene | 0.01- 1.6 | 1.59 | |||
| Tertiary | Pliocene | 1.6 - 5.3 | 3.7 | ||
| Miocene | 5.3 - 23.7 | 18.4 | |||
| Oligocene | 23.7 - 36.6 | 12.9 | |||
| Eocene | 36.6 - 57.8 | 21.2 | |||
| Palaeocene | 57.8 - 65 | 7.2 | |||
| KT Boundary | |||||
| Mesozoic | Cretaceous | 65 - 140 | 75 | ||
| Jurassic | 140 - 205 | 65 | |||
| Triassic | 205 - 250 | 45 | |||
| Palaeozoic | Permian | 250 - 290 | 40 | ||
| Carboniferous | 290 - 355 | 65 | |||
| Devonian | 355 - 410 | 55 | |||
| Silurian | 410 - 438 | 28 | |||
| Ordovician | 438 - 510 | 72 | |||
| Cambrian | 510 - 540 | 30 | |||