Geologic Column
"mya" means millions of years
|
Eon
|
Era
|
Period
|
Epoch
|
Begins
|
Phanerozoic
|
Cenozoic
|
Quaternary |
Recent |
~1 mya |
| Pleistocene |
2 mya |
| Tertiary |
Pliocene |
5 mya |
| Miocene |
24 mya |
| Oliogocene |
37 mya |
| Eocene |
58 mya |
| Paleocene |
65 mya |
Mesozoic
|
Cretaceous |
144 mya |
| Jurassic |
208 mya |
| Triassic |
250 mya |
Paleozoic
|
Permian |
286 mya |
| Carboniferous |
Pennsylvanian |
320 mya |
| Mississippian |
360 mya |
| Devonian |
408 mya |
| Silurian |
438 mya |
| Ordovician |
505 mya |
| Cambrian |
600 mya |
Proterozoic
|
Precambrian
|
2500 mya |
Archaen
|
3800 mya |
Hadean
|
4600 mya |
|
|