|
Geologic Time Scale
- Cenozoic Era
(0 million years ago to 64.5 million
years ago)
| ERA |
PERIOD |
EPOCH |
DATES |
AGE of |
Events |
| Cenozoic |
Quaternary |
Holocene |
0-2 |
Mammals |
Humans |
| Pleistocene |
Glaciation |
| Tertiary |
Neogene |
Pliocene |
2-5 |
 |
| Miocene |
5-24 |
Early Grasses |
Paleo-
gene |
Oligocene |
24-37 |
|
| Eocene |
37-58 |
Early Horses |
| Paleocene |
58-64.5 |
Extinction of
dinosaurs |
| Mesozoic |
|
| Paleozoic |
"Pre-Mesozoic" |
| Precambrian |
Note: Dates are in millions of years
Modified from University of Alaska-Fairbanks, Geoscience
Web Site
Taken from: MODERN PHYSICAL GEOLOGY, Graham
R. Thompson Ph.D., Jonathan Turk Ph.D.,
Saunders College Publishing
|
