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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

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

geology.com/usgs/geologic-time-scale

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

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  ...

geomaps.wr.usgs.gov/parks/gtime/index.html

Apr 25, 2017 ... Piece by piece, geologists constructed a geologic time scale, using increasingly more sophisticated methods for dating rock formations.

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 ...