Geology Basics

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Geology [n]

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The science and study of the planet Earth.

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process [n]

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a series of actions or steps that lead to an end result

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Principle of Uniformitarianism

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The geological processes that occur today are similar to those that have happened in the past.

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Uniform [adj.]

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Staying the same all the time.

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Sediments

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The objects that settle to the bottom of a liquid.

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absolute age [noun]

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the actual age, in years, of an object

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Relative age [n.]

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The age of objects compared to other (similar) things.

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Principle of Superposition

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Most rock-forming materials are deposited in horizontal layers.

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Principle of Lateral Continuity

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Sediments are deposited in large, continuous sheets in all lateral directions.

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Inclusion [noun]

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A piece of an older rock that becomes a part of a new rock.