Proterozoic
| Use attributes for filter ! | |
| Occurred | 2,500 million years ago - 541 million years ago |
|---|---|
| Eras | Paleoproterozoic |
| Mesoproterozoic | |
| Neoproterozoic | |
| Chronolog unit | Eon |
| Lower boundari definit | Defined Chronometrically |
| Lower gssa ratifi | 1991 |
| Stratigraph unit | Eonothem |
| Upper boundari definit | Treptichnus pedum |
| Date of Reg. | |
| Date of Upd. | |
| ID | 4035823 |
About Proterozoic
The Proterozoic is the third of the four geologic eons of Earth's history, spanning the time interval from 2500 to 538.8 Mya, the longest eon of the Earth's geologic time scale. It is preceded by the Archean and followed by the Phanerozoic, and is the most recent part of the Precambrian "supereon".
Proterozoic Photos
