Archean eon

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Archean eon Definition

• (n) the time from 3,800 million years to 2,500 million years ago; earth''s crust formed; unicellular organisms are earliest forms of life

Archean eon Synonyms

• Archaeozoic
• Archaeozoic aeon
• Archean
• Archean aeon
• Archean eon
• Archeozoic
• Archeozoic eon