Are you puzzled by the Periods or do you have errors by your Eras? Did you know that two or more Periods comprise a geological Era? Two or more Eras form an Eon?
Download this free colour-in geology map of the UK and Ireland to help you learn about the Eras of the Phanerozoic Eon and the Late Proterozoic Eon.
You can also use this geological map to help you learn when the sedimentary rocks of the UK and Ireland were formed.
Turn over the map to show how the eras are made up of Periods. The Periods are the basic unit of geological time and are separated by a major geological event such as a mass extinction.
The map colours BGS suggests are those used in its BGS Timechart, but you can use whatever colours you prefer.
The British Geological Survey is the UK’s premier provider of objective and authoritative geoscientific data, information and knowledge. Get more great resources from BGS here and on its website at bgs.ac.uk. You can also follow on Twitter at @BritGeoSurvey.