Paleoarchean

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English[edit]

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Etymology[edit]

paleo- +‎ Archaean

Adjective[edit]

Paleoarchean (not comparable)

  1. (geology) Of a geologic era within the Archaean eon from about 3600 to 3200 million years ago; the first aerobic bacteria appeared at this time.

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Proper noun[edit]

Paleoarchean

  1. (geology) The era from 3,600 Ma to 3,200 Ma.

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