Which of the following processes is/are part of the Rock Cycle? 1. L

Which of the following processes is/are part of the Rock Cycle?

1. Lithification
2. Metamorphism
3. Solidification

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1 only

1 and 2 only

2 and 3 only

1, 2 and 3

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UPSC CAPF – 2024

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The correct answer is D) 1, 2 and 3.

The Rock Cycle describes the transitions through geologic time among the three main rock types: sedimentary, metamorphic, and igneous. Key processes involved in these transitions include lithification, metamorphism, and solidification (also known as crystallization).

Lithification is the process by which unconsolidated sediments are compacted and cemented together to form sedimentary rocks. Metamorphism involves the transformation of existing rock types (igneous, sedimentary, or other metamorphic rocks) into metamorphic rocks by heat, pressure, or chemically active fluids. Solidification is the cooling and hardening of molten rock (magma or lava) to form igneous rocks. Weathering, erosion, deposition, melting, and uplift are also crucial processes in the rock cycle, facilitating the transformation and movement of rock material between the different types and locations.

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