Meaning Archean
What does Archean mean? Here you find 7 meanings of the word Archean. You can also add a definition of Archean yourself
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ArcheanGeologic eon that occurred from 2500 to 3800 million years ago. During this time period, the first single-celled prokaryote organisms evolved and developed.
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ArcheanAn eon of geologic time extending from about 3.9 billion years to 2.5 billion years ago.
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Archean(3.8 billion years ago-2.5 billion years ago) second eon in the Precambrian supereon.
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Archean(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(adj) of or relating to the earliest known rocks formed dur [..]
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ArcheanThe earlier part of the Precambrian between 4000Ma and 2500Ma.
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Archeanperiod of geological time that is the older of the two main Precambrian
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Archeanthe first three billion years plus of life's history up to the Paleozoic arthropod
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