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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.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 ...

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.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 ...

geology.com/time.htm

A Time Line for the Geological Sciences. Geologic time scale with a linear time axis. This time scale is available as a printable .pdf document. You can download  ...

www.fossils-facts-and-finds.com/geologic_time_line.html

The purpose of this geologic time line is to help you easily find in-depth information on eons, eras, and periods of earth's history. We think it is convenient and ...

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.learner.org/courses/essential/earthspace/timeline/index.html

The Geologic Timeline. "Which came first, the chicken or the egg?" is an age-old. question. But, what about things that happened long before. there were ...

scienceviews.com/dinosaurs/geologictime.html

The Geologic Time Scale. The study of the Earth from the beginning of time to the present has been the task of geologists who attempt to unravel the events that ...