Sedimentary Rocks

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What are sedimentary rocks?

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Sedimentary rocks are types of rocks formed by the accumulation and compaction of mineral and organic particles, often layered over time.

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What is strata in sedimentary rocks?

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Strata, or bedding, refers to the distinct layers of sedimentary rock that are formed as sediments accumulate over time.

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What is the primary basis for classifying clastic rocks?

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The primary basis for classifying clastic rocks is particle size.

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What is the primary basis for classifying chemical rocks?

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The primary basis for classifying chemical rocks is mineral composition.

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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 and minerals.

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What is an example of a clastic sedimentary rock?

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An example of a clastic sedimentary rock is sandstone.

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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 an example of an organic sedimentary rock?

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An example of an organic sedimentary rock is coal.

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What is the sediment size range for quartz sandstone?

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The sediment size range for quartz sandstone is 0.006-0.2 cm.

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What are mud cracks?

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Mud cracks are a type of sedimentary structure that forms when wet mud dries and shrinks, creating a cracked surface.