Topic: Geologic Time Scale
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What is Geologic Time Scale?
Geologic time scale is the sequential chart relating stratigraphy to time that is used by geologist, paleontologist and other earth scientist to describe timing in relationships between events that occur during the history of Earth. Read More »
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What is the Geological Time Scale?
The geological time scale is a model used to describe the timing and events that have happened on the earth. There are major events like mass extinctions. The theory is that layers of rock are laid down in succession, and each layer represe... Read More »
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What is the geological time scale based on?
time Read More »
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Geologic Time Scale
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The site is ww, so members here are in all. If you mean corporate (for the site) Eastern.
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Source: http://wiki.answers.com/Q/What_geologic_time_scale_are_you_in
The history of the planet.
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Source: http://wiki.answers.com/Q/What_is_the_geologic_time_scale_a_recor...
Segmentation of earth history into eons made up of eras, made up of periods, made up of epochs, is the basis of the time scale
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Eon, Era, Period, Epoch (from largest to smallest)
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Paleozoic Era- Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian Mass Extinction (Permian-Tertiary) 248 mya Mesozoic Era- Triassic, Jurassic, Cretaceous Mass Extinction (K-T) 65 mya Cenozoic- Tertiary, Quaternary
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The geologic time scale are based on changes in fossil organisms.Changes in the fossil can be caused by geologic events such as changes in sea level on mountain building.
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Source: http://wiki.answers.com/Q/How_is_geologic_time_scale_divided
