The Archean is an eon going from 4 billion years ago to 2.9 billion years ago. The geologic periods include the earliest period, Ataroan to the latest periods, Sapporian and Eosiderian.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.