Archean eon

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Related to Archean eon: Proterozoic eon, Phanerozoic eon
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Synonyms for Archean eon

References in periodicals archive ?
According to Eric Wolf, the new 3-D model of the Archean Eon on Earth that lasted from about 3.
His and Barley's analysis shows that rocks of the Archean eon, which are more than 2.
Washington, August 19 (ANI): A team of scientists has determined that Carbonyl Sulphide gas warmed the world and saved it from freezing over during the Archean eon more than 3 billion years ago.
billion years ago during the Archean eon (the oldest time from which rocks still exist) and, with one exception, has not erupted since.
According to astrobiologists, these meteor strikes can be dated to the Hadean and Archean eons - the first of the four principal eons in the earliest history of Earth.