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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 ... The geology or deep time of Earth's past has been organized into various units according to events which took place in each period. Different ...

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.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.

www.rocksinmyheadtoo.com/TimeLine.htm

Earth Earth's Geologic Geological Time Scale Line Eon Era Period Epoch Life Forms Eons Eras Periods Epochs MYA Paleozoic Mesozoic Cenozoic Modern ...

www.infoplease.com/science-health/physical-science/table-geological-periods

The known geological history of Earth since the Precambrian Time is subdivided into three eras, each of which includes a number of periods. They, in turn, are ...

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

In the Geologic Time Scale, time is generally divided on the basis of the earth's biotic composition, with the Phanerozoic Eon (i.e. the Paleozoic, Mesozoic and ...

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

The vast expanse of geological time has been separated into eras, periods, ... the varieties of fossils found, taken as indicators of a time period in Earth's history.

www.bbc.co.uk/nature/history_of_the_earth

During its dramatic 4.5 billion year history, Earth has gone through a series of major geological and biological changes.

www.seafriends.org.nz/books/geotime.htm

Geologic Time or the evolution of the planet, in a printable table. ... This extensive time table follows the development of Earth from the moment of the Big Bang ...

geology.com/time.htm

Printable Geologic Time Scale - Geologcial Time Line from Geology.com. ... Geologists have divided Earth's history into a series of time intervals. These time  ...