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The geologic time scale (GTS) is a system of chronological dating that relates geological strata (stratigraphy) to time, and is used by geologists, paleontologists,  ...


Note that the compilers are still accepting comments on the overall content of time scale. Offer your comments or join in the discussion on GSA's Facebook page.


Online exhibits. Geologic time scale. Take a journey back through the history of the Earth — jump to a specific time period using the time scale below and ...


Chart. Click here (PDF or JPG) to download the latest version (v2017/02) of the International Chronostratigraphic Chart. The explanatory article was published in  ...


Chart drafted by K.M. Cohen, S.C. Finney, P.L. Gibbard ... The ICS International Chronostratigraphic Chart. ... 'A Geologic Time Scale 2012' by Gradstein et al.


Geologic Time Scale: Divisions of Geologic Time approved by the U.S. Geological Survey Geologic Names Committee, 2010. The chart shows major ...


Printable Geologic Time Scale - Geologcial Time Line from Geology.com.


The British Geological Survey (BGS) Education Geological Timechart is an interactive visual guide through the ages of the Earth.


Geological time scale. The vast expanse of geological time has been separated into eras, periods, and epochs. The numbers included below refer to the ...