Mark's Geology Pages
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UCBerkeley Geology
Earth's Geologic Timeline*
| Eon | Era | Period | Epoch | Began (years ago) |
| Phanerozoic | Cenozoic | Quaternary | Holocene |
10,000
|
| Pleistocene |
1,800,000
|
|||
| Tertiary (Neogene) | Pliocene |
5,000,000
|
||
| Miocene |
23,000,000
|
|||
| Tertiary (Paleogene) | Oligocene |
38,000,000
|
||
| Eocene |
54,000,000
|
|||
| Paleocene |
65,000,000
|
|||
| Mesozoic | Cretaceous |
140,000,000
|
||
| Jurasic |
195,000,000
|
|||
| Triassic |
230,000,000
|
|||
| Paleozoic | Permian |
280,000,000
|
||
| Carboniferous, Upper (Pennsylvanian) |
320,000,000
|
|||
| Carboniferous, Lower (Mississippian) |
345,000,000
|
|||
| Devonian |
395,000,000
|
|||
| Siluran |
435,000,000
|
|||
| Ordovician |
500,000,000
|
|||
| Cambrian |
570,000,000
|
|||
| Precambrian | Proterozoic | Neoproterozoic |
900,000,000
|
|
| Mesoproterozoic |
1,600,000,000
|
|||
| Paleoproterozoic |
2,500,000,000
|
|||
| Archaean |
3,800,000,000
|
|||
| Hadean |
4,500,000,000
|
*Taken from
- Arthur D. Howard's Geologic History of Middle California
- http://www.ucmp.berkeley.edu/exhibit/geology.html
If you'd like to drop me a line, my email address is mark@schlagenhauf.com