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Geologic Time

Relative dating . Placing rocks and events in sequence Principles and rules of Law of superposition oldest rocks are on the bottom Principle of original horizontality sediment is deposited horizontally Principle of cross-cutting relationships younger feature cuts through an older featur

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Geologic Time

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    1. Geologic Time

    2. Relative dating Placing rocks and events in sequence Principles and rules of Law of superposition oldest rocks are on the bottom Principle of original horizontality sediment is deposited horizontally Principle of cross-cutting relationships younger feature cuts through an older feature

    3. Superposition is well illustrated by the strata in the Grand Canyon

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