Tag Archives: Earth

Precambrian Eon

A Short History of the World – from varying sources 4,567,170,000 B.C. – 2,350,000,000 B.C. Updated when new information available. Current update: 09/26/2009. Legend Color Guide Geological Time In Descending Order:  Eons = Cyan | Eras = Dark Green | … Continue reading

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