In le geologia, le scala del tempore geologic es un subdivision del geologia.
Scala del tempore geologic |
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instantia de: periodization[*], chronostratigraphic classification scheme[*] |
subclasse de: technical standard[*] |
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sito web official: https://stratigraphy.org/ICSchart/ChronostratChart2020-03.pdf |
Commons: Geologic time scale |
In general, le duration del epochas tende a esser tanto plus longe quanto plus on viagia al passato. Le periodos geologic o epochas es generalmente fixate con alicun distincte eventos como, per exemplo, extinction in massa. Assi, le limite inter le periodo Cretaceo e le periodo Paleoceno esseva fixate post un phenomeno de extinction que marcava le cadita del dinosauros e de multe species marin.
Le sequentia es eon, era, periodo, epocha, e etate.
Un era es un duration de tempore de multe milliones de annos, que es assumite a haber habite characteristicas simile.
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