Sedimentary Rocks

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What is lithification?

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The process of compacting and cementing sediments to form sedimentary rock.

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What are clasts?

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Rock fragments that range in size from boulders to microscopic clay grains.

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What is compaction in sedimentary rock formation?

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The process where rock fragments are squashed together and water is squeezed out from between them.

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What is stratification?

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The layering that is still visible after sediments have been lithified into rock.

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What is a clastic sedimentary rock?

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A type of sedimentary rock made up of fragments of older rocks.

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What is the role of erosion in sedimentary rock formation?

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Erosion is the process that breaks down rocks and transports sediments.

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What is deposition in the context of sedimentary rocks?

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The process where sediments are laid down in new locations.

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What is cementation?

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The process where dissolved minerals precipitate and bind sediment particles together.

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What are the three main types of sedimentary rocks?

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Clastic, organic, and chemical sedimentary rocks.

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How do fossils form in sedimentary rocks?

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Fossils form when organic material is buried and preserved within sedimentary layers.