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Scale of Geologic Time

This graphical timeline compares the length of time of the existance of the universe, and of the earth within it, to geologic timescales. To save space, the geologic eras and periods have been abbreviated to their first letter.
Scale: 1 pixel = 10 million years

Graphic Scale of Geologic Time
Sources: same as for Geologic Time Scale on this site

Back to Geology Reference