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en.wikipedia.org/wiki/Geologic_time_scale

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

www.geosociety.org/GSA/Education_Careers/Geologic_Time_Scale/GSA/timescale/home.aspx

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.

www.ucmp.berkeley.edu/help/timeform.php

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 ...

geology.com/time.htm

Geologic time scale with a linear time axis. This time scale is available as a printable .pdf document. You can download this printable time scale and make ...

hyperphysics.phy-astr.gsu.edu/hbase/Geophys/geotime.html

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

www.mcz.harvard.edu/Departments/InvertPaleo/Trenton/Intro/GeologyPage/Geologic%20Setting/geologictime.htm

The Modern Geologic Time Scale, as shown above, documents intervals of geologic time relative to one another, and has been continuously developed and  ...

www.ask.com/youtube?q=Geological+Time+Scale&v=r10oh1NHKv4
Mar 21, 2013 ... Geological time can be confusing to some, so this video explains where and in what order the periods and eras are. Pictures Courtesy of ...

www.bgs.ac.uk/discoveringGeology/time/timechart/home.html

The BGS geological timechart provides colourful reference material for use in schools, colleges and at home, setting out the geological timescale and ...

www.enchantedlearning.com/subjects/Geologictime.html

The first geologic time scale was proposed in 1913 by the British geologist Arthur Holmes (1890 - 1965). This was soon after the discovery of radioactivity, and ...