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Archean |
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Archean [är′kē·ən] (geology) A term, meaning ancient, which has been applied to the oldest rocks of the Precambrian; as more physical measurements of geologic time are made, the usage is changing; the term Early Precambrian is preferred. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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When Mehta and Baross sequenced a bit of DNA, they found that FS406-22 is an anaerobic archaean, a one-celled organism that looks like a bacterium but has chemical similarities to multicelled organisms. 2003, Archaean cratonization and deformation in the Northern Superior Province, Canada: an evaluation of plate tectonic versus vertical tectonic models: Precambrian Research, v. Strain 121, an archaean (formerly called bacteria) discovered in a "black smoker" thermal vent deep in the Pacific Ocean, holds the record for being the "hottest organism known to man. |
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