Rock Cycle

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What is an Igneous Rock?

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Igneous rocks are formed from the cooling and solidification of molten rock (magma or lava). Examples include granite and basalt.

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What processes lead to the formation of Sedimentary Rocks?

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Sedimentary rocks are formed through the processes of deposition, compaction, and cementation of sediments.

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What is a Metamorphic Rock?

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Metamorphic rocks are formed from existing rocks that are changed by heat and pressure. Examples include schist and marble.

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What is the Rock Cycle?

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The rock cycle is a continuous process that describes the transformation of rocks through various geological processes including melting, cooling, erosion, and sedimentation.

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What is Weathering?

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Weathering is the process of breaking down rocks into smaller pieces through natural forces like wind, water, and temperature changes.

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What is Erosion?

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Erosion is the process by which soil and rock are removed from one location and transported to another, often by wind or water.

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What is Deposition?

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Deposition is the process where sediments are laid down in new locations after being transported by erosion.

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What is Compaction?

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Compaction is the process that occurs when sediments are pressed together under their own weight, reducing the space between them.

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What is Cementation?

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Cementation is the process where dissolved minerals crystallize and bind sediment particles together, forming solid rock.

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What is the difference between Intrusive and Extrusive Igneous Rocks?

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Intrusive igneous rocks form from magma that cools slowly beneath the Earth's surface, while extrusive igneous rocks form from lava that cools quickly on the surface.