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Emsian Stage
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A chart detailing the Devonian period of the Paleozoic era, showing its division into Lower, Middle, and Upper series with stages such as Lochkovian, Pragian, Emsian, Eifelian, Givetian, Frasnian, and Famennian, alongside corresponding ages in millions of years ago. A detailed geologic time scale chart displaying Earth's history from the Hadean Eon over 4.5 billion years ago to the present, organized by eons, eras, periods, epochs, and ages with color-coded columns and corresponding dates in millions of years. Geochronology. Table 14: Periods of Sedimentary Perturbation

Emsian Stage: References & Edit History

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  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

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Article History

Type Description Contributor Date
New text updating the boundary years for the stage added. May 07, 2013
Period-level geologic time chart added. Dec 28, 2009
Article revised and updated. Feb 02, 2007
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