archaean

  • 41Mount Elkins — Map of Antarctica indicating location of Mount Elkins Elevation 2,300 m (7,546 ft) …

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  • 42Cinturón supracortical de Isua — El cinturón supracortical de Isua es un cinturón supracortical en Groenlandia suroccidental, datado entre 3,8 y 3,7 Ga, y contiene las rocas más antiguas conocidas en estado de buena conservación de tipo metavolcánico, de tipo volcánico máfico… …

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  • 43Ser vivo —   Ser vivo La vida colonizando un pico rocoso …

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  • 44Oldest dated rocks — The oldest dated rocks on Earth, as an aggregate of minerals that have not been subsequently melted or disaggregated by erosion, are from the Archean Eon. Such rocks are exposed on the surface in very few places.[1] There is some controversy… …

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  • 45Historia evolutiva de la vida — Esta página o sección está siendo traducida del idioma inglés a partir del artículo Evolutionary history of life, razón por la cual puede haber lagunas de contenidos, errores sintácticos o escritos sin traducir. Puedes colaborar con… …

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  • 46Archean — The Archean (pronEng|ɑrˈkiːən, also spelled Archaean, formerly called the Archaeozoic (IPA|/ɑrkiəˈzoʊɪk/), also spelled Archeozoic or Archæozoic) is a geologic eon before the Proterozoic and Paleoproterozoic, before 2.5 Ga (billion years ago, or… …

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  • 47Modern evolutionary synthesis — Evolutionary theory redirects here. For the sociological theory, see sociobiology. Part of a series on Evolutionary Biology …

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  • 48Darling Scarp — Southwest Western Australia from space. The dark green is dense vegetation on and above the scarp, which has been retained for forest reserve and water catchment purposes. The sharp vegetation boundary on the coastal side coincides with the edge… …

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  • 49Horizontal gene transfer — (HGT), also Lateral gene transfer (LGT), is any process in which an organism incorporates genetic material from another organism without being the offspring of that organism. By contrast, vertical transfer occurs when an organism receives genetic …

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  • 50Anorthosite — (pronEng|æˈnɔrθəsaɪt/, /ə ) is a phaneritic, intrusive igneous rock characterized by a predominance of plagioclase feldspar (90–100%), and a minimal mafic component (0–10%). Pyroxene, ilmenite, magnetite, and olivine are the mafic minerals most… …

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