Earth Science — Geological Time Scale
The eons and eras of Earth's history (millions of years ago).
Make it your own.
title "Geological time scale (Ma)"
axis -4600 0
era -4600 -4000 "Hadean" color slate
era -4000 -2500 "Archean" color purple
era -2500 -541 "Proterozoic" color teal
era -541 -252 "Palaeozoic" color blue
era -252 -66 "Mesozoic" color green
era -66 0 "Cenozoic" color amber
lane "Key events"
event -4540 "Earth forms"
event -541 "Cambrian begins"
event -252 "Permian extinction"
event -66 "Dinosaurs extinct"
event -2 "Ice ages & humans"