Earth's History

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relative dating

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Front

unconformity

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uniformitarianism

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theory that states that the geologic processes that shape Earth are uniform through time

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superposition

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Front

original horizontality

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Front

cross cutting relationships

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Principle stating that a fault or intrusion is younger than the rock it cuts across.

Front

contact metamorphisim

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subsidence

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uplift

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Front

weathering

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Break down of rock pieces