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What determines the divisions of eras and periods on the geological time scale?
Wiki User
∙ 9y ago
Eras are based one the worldwide changes in types of fossils. Periods are based on types of life worldwide. The Cenozoic era is the geological time scale is divided into both periods and epoch.
Wiki User
∙ 9y ago
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What are divisions on the geological time scale called?
Periods
What information does the geologic time scale provide and what are the major divisions of geological time?
The information the geologic scale provides is animals and fossils over time and periods. Major divisions of time is called eras.
What do periods in the geological time scale represent?
the hood
What are the largest divisions of time on the geological time scale?
Eons are the largest divisions of geologic time.
What are the basic divisions of the Geologic Time Scale from larger to small?
eras and periods
Are epochs part of periods?
Periods are subdivided into periods of time know as epochs.
Which time scale divided the history of the earth into eras periods and epochs?
The geological time scale is the history of the earth. This is in the eras period and epochs.
What information does the geologic time scale provided and what are the major divisions of time?
The information the geologic scale provides is animals and fossils over time and periods. Major divisions of time is called eras.
What factors determine an earthquale's intensity on the modifield Mercalli scale?
The amount of structural and geological damage done by an earthquake in a specific location determines an earthquake's intensity on the Mercalli scale.
How do we separate the geologic time scale into eras?
The main periods of geologic time are eons. Then eons are divided into eras. All these divisions are done using geological strata. That is, layers of earth or stone, etc. that represent periods of some kind of similar behavior on the earth.
What is geological scale?
The geological time scale organizes a long period of time.
How were the periods divided in the geological time scale?
The longest periods of the geological time scale are eons. Each eon is divided into eras and each era is made up of periods, which are further divided into epochs. Each division ended when a significant geological event occurred, such as a major ice age ending or a meteor impact resulting in a mass extinction of animal life, etc.
