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Questions and Answers
What is the largest subdivision or interval in the geologic time scale?
What is the largest subdivision or interval in the geologic time scale?
How do geologists relate the age of rocks in a certain area?
How do geologists relate the age of rocks in a certain area?
What is the most recent eon according to the geologic time scale?
What is the most recent eon according to the geologic time scale?
Which geological events help geologists generate the geologic time scale?
Which geological events help geologists generate the geologic time scale?
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What is the basis for tracking the age or maturity of an individual according to the text?
What is the basis for tracking the age or maturity of an individual according to the text?
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How are eons divided in the geologic time scale?
How are eons divided in the geologic time scale?
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Study Notes
Geologic Time Scale
- The largest subdivision or interval in the geologic time scale is the eon.
Determining Rock Age
- Geologists relate the age of rocks in a certain area by correlating the rock layers and their fossil content.
Geologic Time Scale Divisions
- The most recent eon according to the geologic time scale is the Phanerozoic eon.
- Eons are divided into eras, which are further divided into periods, and then into epochs.
Generating the Geologic Time Scale
- Geologists generate the geologic time scale by studying geological events such as volcanic eruptions, sea-floor spreading, and mass extinctions.
Tracking Age or Maturity
- The basis for tracking the age or maturity of an individual is not applicable in the context of geologic time scale, as it deals with the age of rocks and earth's history, not human aging.
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Description
Test your knowledge on the geologic time scale, stratigraphy, and the use of index fossils in historical geology. Learn about eons, eras, periods, and epochs in the context of Earth's history.
