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Significados de Archean aeon en inglés

portugués
arqueano
catalán
arqueà

The time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life.

      arqueano
      Sinónimos
      Examples for "Archean"
      Examples for "Archean"
      1
      The period following on after Archean time is called, by geologists, Paleozoic time.
      The Prehistoric World; Or, Vanished Races
      2
      Others divide the Precambrian into two eras, the very ancient Archean and the more recent Proterozoic.
      A short history of nearly everything
      3
      Rocks of Archean age cover wide areas in the interior, in West and East Africa and across the Sahara.
      The Project Gutenberg Encyclopedia, Volume 1 of 28
      4
      A theory held by many refers the ultimate source of the iron to the igneous rocks of the Archean.
      The Elements of Geology
      5
      Together, the data paint a picture of Archean evolution that is one of early development of morphological and chemical complexity.
      Pubmed
      1
      Appears to indicate, as I suspected, that earth has seen whole cycle or cycles of organic life before known one that begins with Archæozoic cells.
      The New Annotated H. P. Lovecraft
      Translations for Archean aeon
      portugués
      arqueano
      catalán
      arqueà