Geologic Time Scale |
||||||
Eon |
Era |
Period |
Age (Myrs) |
Epoch |
||
Phanerozoic |
Cenozoic |
Quaternary |
0.01 |
Holocene |
||
2.6 |
Pleistocene |
|||||
Tertiary |
Neogene |
5.3 |
Pliocene |
|||
23.0 |
Miocene |
|||||
Paleogene |
33.9 |
Oligocene |
||||
55.8 |
Eocene |
|||||
65.5 |
Paleocene |
|||||
Mesozoic |
Cretaceous |
146 |
||||
Jurassic |
200 |
|||||
Triassic |
251 |
|||||
Paleozoic |
Permian |
299 |
||||
Pennsylvanian |
318 |
|||||
Mississippian |
359 |
|||||
Devonian |
416 |
|||||
Silurian |
444 |
|||||
Ordivician |
488 |
|||||
Cambrian |
542 |
|||||
Precambrian |
Proterozoic |
2500 |
||||
Archean |
4000 |
|||||
Hadean |
4600 |
|||||
Age of the Earth 4600 Myrs (4.6 Byrs)Source: International Commission on Stratigraphy (2009) |
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Geology 103 Homepage /Science Division / Bellevue College Home Page
Tuesday, April 8, 2008