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# Determining Relative Ages

## Using certain principles it is possible to determine the relative ages of rock units and reveal the geologic history of the region.

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## Determining Relative Ages

by Josh Corbat //at grade
How to determine the relative ages of rocks.
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## Rock Formations, Fossil Evidence, and Relative Age S.6.3.2 (MS-ESS1-4)

by Tom Olsen //at grade
How to determine the relative ages of rocks through evidence from rock formations and fossil evidence in the Earth's history.
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## Determining Relative Ages

by Jim Doherty, Ph.D. //at grade
How to determine the relative ages of rocks.
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## Determining Relative Ages

by jaya kumar //at grade
How to determine the relative ages of rocks.
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## Determining Relative Ages

by Joe Caffrey //at grade
How to determine the relative ages of rocks.
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• Video

## Law of Superposition

by Vinay Satish //at grade
A video lesson on the law of superposition, which is used to determine the relative ages of rocks. Courtesy of bozemanbiology.
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