Paleoproterozoic
Proper noun
  1. (geology) The era from 2,500 Ma to 1,600 Ma, marked by a dramatic increase in atmospheric oxygen.
Translations Adjective

Paleoproterozoic (not comparable)

  1. (geology) Of a geologic era within the Proterozoic eon from 2,500 to 1,600 million years ago.
Translations


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