Geologic Time Scale - I

Geologic Time Scale - I

The geologic time scale is a system scientists use to organize Earth's long history into different time periods. It helps geologists understand major events such as Earth's formation, the emergence of life, and mass extinctions. The geologic time scale is divided into eons, eras, periods, and epochs...

The geologic time scale is a giant time scale representing the events in Earth's history over 4.6 billion years.

Scientists divide this timeline into big blocks of time called eons, further subdivided into eras, followed by periods, and then epochs.

The first three eons of the geological time scale, Hadean, Archean, and Proterozoic, ...