How is the geologic time scale divided?

Answer 1

The geological time scale is divided into:

Eons (Such as the Proterozoic and the Phanerozoic)

THEN

Eras (Such as the Mesozoic and the Cenozoic)

THEN

Periods (Such as the Cretaceous and the Quaternary)

THEN

Series, alternatively Epoch (Such as the Pleistocene and the Holocene)

THEN

Stage (Such as the Campanian and the Tarantian)

Answer 2

The geologic time scale is divided into eons, eras, periods, epochs, and ages. These divisions represent different intervals of time in Earth's history, with eons being the largest units and ages being the smallest. Each division is defined by distinct events, such as major geological or biological changes.

Answer 3

Based on major events in Earth history