How is the geologic time scale divided?

Question

CRR · Answer

The geology transformation tool

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https://creation.com/geology-transformation-tool

CarolOkla · Answer

Into eons, eras, periods, epochs and ages,. 
Originally this was done on the basis of fossils, but now radioisotope dating methods are often used to give more accurate ages. Carbon 14 has too short a half life.

https://ucmp.berkeley.edu/exhibit/histgeoscale.php#:~:text=The%20geologic%20history%20of%20the,periods%2C%20epochs%2C%20and%20ages...

Anonymous · Answer

https://energyeducation.ca/encyclopedia/Geologic_time_scale

Bill-M · Answer

By Fossil Evidence.
To read about this in detail, visit this web page:
https://australian.museum/learn/australia-over-time/evolving-landscape/the-geological-time-scale/?gclid=EAIaIQobChMIz5HErreY7gIVjTgrCh0BmwxyEAAYASAAEgLsSvD_BwE

How is the geologic time scale divided?

4 Answers