Classification of Rocks

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What is a Sedimentary Rock?

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A type of rock formed from the compaction and cementation of mineral and organic particles.

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What is a Metamorphic Rock?

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A type of rock that has been changed from its original form due to heat, pressure, or chemically active fluids.

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What is an Intrusive Igneous Rock?

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A type of igneous rock that forms from magma cooling slowly beneath the Earth's surface.

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What is an Extrusive Igneous Rock?

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A type of igneous rock that forms from lava cooling quickly on the Earth's surface.

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What is the process of Compaction in rock formation?

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The process where sediments are pressed together under pressure, reducing their volume.

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What is Cementation in rock formation?

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

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What is Slate?

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A fine-grained metamorphic rock that originates from shale and is known for its ability to split into thin sheets.

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What is Gneiss?

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A high-grade metamorphic rock characterized by its banded or foliated appearance, formed from granite or sedimentary rock.

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What is Schist?

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A medium to high-grade metamorphic rock that is characterized by its schistosity, or the presence of large, visible crystals.

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What is the Rock Cycle?

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The continuous process of rock formation and transformation, involving igneous, sedimentary, and metamorphic rocks.