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principle of cross-cutting relationships Principle of inclusions

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principle of cross-cutting relationships Principle of inclusions

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Principle of original lateral continuity

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Principle of original lateral continuity

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The principle of lateral continuity states that layers of sediment initially extend laterally in all directions; in other words, they are laterally continuous.

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The Principle of Original Horizontality states that layers of sediment are originally deposited horizontally under the action of gravity

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In physics and systems theory, the superposition principle, also known as superposition property, states that, for all linear systems, the net response caused by two or more stimuli is the sum

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Uniformitarianism is defined in the authoritative Glossary of Geology as "the fundamental principle or doctrine that geologic processes and natural laws now operating to modify the Earth's crust