An Earth clock showing relationship of duration of the various era/periods of the earth history to one day. The Quaternary, comprising the last 2.6 million years, is just 47 seconds on a clock where 24 hours are related to the total age of the earth of 4.7 Billion years.
Date
Source
Own work
Author
Hannes Grobe 23:05, 21 July 2006 (UTC), Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany
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