Tertiary
| Use attributes for filter ! | |
| Occurred | 65 million years ago - 2.588 million years ago |
|---|---|
| Chronolog unit | Period |
| Former use by | ICS |
| Lower boundari definit | K-Pg extinction event |
| Stratigraph unit | System |
| Upper boundari definit | Quaternary |
| Date of Reg. | |
| Date of Upd. | |
| ID | 4045628 |
About Tertiary
Tertiary is an obsolete term for the geologic period from 66 million to 2.6 million years ago. The period began with the demise of the non-avian dinosaurs in the Cretaceous–Paleogene extinction event, ...