Definition of Erathem. Meaning of Erathem. Synonyms of Erathem

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Definition of Erathem

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Meaning of Erathem from wikipedia

- In stratigraphy, paleontology, geology, and geobiology, an erathem is the total stratigraphic unit deposited during a certain corresponding span of time...
- largest geochronologic time unit and is equivalent to a chronostratigraphic erathem. There are ten defined eras: the Eoarchean, Paleoarchean, Mesoarchean,...
- Series, of the Paleogene Period or System, and of the Cenozoic Era or Erathem. The beginning of the Danian (and the end of the preceding Maastrichtian)...
- Stratigraphy (ICS) once proposed that the Quaternary be considered a sub-era (sub-erathem) of the Neogene, with a beginning date of 2.58 Ma, namely the start of...
- Cretaceous Series, the Cretaceous Period or System, and of the Mesozoic Era or Erathem. It spanned the interval from 72.1 to 66 million years ago. The Maastrichtian...
- within the timelines within the rock column. Eonothems are subdivided into erathems and their smaller subdivisions within geology and paleobiology and their...
- used ICS Time Scale Definition Chronological unit Era Stratigraphic unit Erathem Time span formality Formal Lower boundary definition Iridium enriched layer...
- used ICS Time Scale Definition Chronological unit Era Stratigraphic unit Erathem Time span formality Formal Lower boundary definition First appearance of...
- used ICS Time Scale Definition Chronological unit Era Stratigraphic unit Erathem Lower boundary definition Appearance of the Ichnofossil Treptichnus pedum...
- used ICS Time Scale Definition Chronological unit Era Stratigraphic unit Erathem Time span formality Formal Lower boundary definition Defined Chronometrically...