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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.

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 ...

geology.com/time.htm

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

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 ...

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.newworldencyclopedia.org/entry/Geologic_time_scale

Apr 21, 2015 ... The geologic time scale is used by geologists and other scientists to map the timing and relationships between events that have occurred ...

www.scientificpsychic.com/etc/timeline/timeline.html

Biological and Geologic Timeline of the Earth. The origin of the Earth and the Moon. The evolution of life on Earth.