Sedimentary Rocks

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What is compaction?

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Compaction is the squeezing of sediment grains together by the weight of sediments above.

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What is uplift?

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Uplift is when tectonic plate movement raises buried rocks up to the surface.

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What are fossils?

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Fossils are remains of living things embedded or imprinted in a sedimentary rock.

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What is a chemical sedimentary rock?

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A chemical sedimentary rock is formed by the precipitation of dissolved minerals from water.

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What is coal?

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Coal is a blackish, organic sedimentary rock.

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What are clastic sedimentary rocks?

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Clastic sedimentary rocks are formed from the accumulation of fragments of pre-existing rocks.

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What are organic sedimentary rocks?

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Organic sedimentary rocks are formed from the accumulation of plant or animal debris.

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What is strata?

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Strata are layers of sedimentary rock that are deposited over time.

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What is the process of sedimentation?

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Sedimentation is the process by which sediments settle out of a fluid, such as water or air.

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What is lithification?

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Lithification is the process of turning sediments into solid rock through compaction and cementation.