Geological Time is put into named ages so that geologists all over the world can share information and compare that with others.
Here is a summary of the Geological Timescale in both English and Welsh
![](http://swga.org.uk/wp-content/uploads/2020/01/stratcolumn.gif)
Geologists' Association – South Wales Group
Cymdeithas y Daearegwyr – Grŵp De Cymru
Geological Time is put into named ages so that geologists all over the world can share information and compare that with others.
Here is a summary of the Geological Timescale in both English and Welsh