Eocene
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The Eocene epoch, lasting from 55.8 ± 0.2 to 33.9 ± 0.1 Ma (million years ago), is a major division of the geologic timescale and the second epoch of the Palaeogene period in the Cenozoic era. The Eocene spans the time from the end of the Paleocene epoch to the beginning of the Oligocene epoch. The start of the Eocene is marked by the emergence of the first modern mammals. The end is set at a major extinction event called Grande Coupure (the "Great Break" in continuity), which may be related to the impact of one or more large bolides in Siberia and in what is now Chesapeake Bay. As with other geologic periods, the strata that define the start and end of the epoch are well identified, though their exact dates are slightly uncertain. The name Eocene comes from the Greek (eos, dawn) and (kainos, new) and refers to the "dawn" of modern ('new') mammalian fauna that appeared during the epoch.
Weitere Informationen
- Allgemeine Informationen
- Sprache Englisch
- Untertitel Geologic time scale, Annum, Cenozoic, Paleocene, Oligocene, Extinction event, Meteoroid, Stratum, Ancient Greek, Fauna, Green River Formation, List of fossil sites, London Clay, Messel pit
- Titel Eocene
- ISBN 978-613-0-26790-2
- Format Fachbuch
- EAN 9786130267902
- Jahr 2009
- Größe H221mm x B151mm x T12mm
- Gewicht 174g
- Herausgeber Alphascript Publishing
- Anzahl Seiten 104
- Editor Frederic P. Miller, Agnes F. Vandome, John McBrewster
- Genre Geschichte
- GTIN 09786130267902
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