What are the key processes of rock cycle?

The key processes of the rock cycle are:

  • Crystallization:As the magma cools, different crystals form at different temperatures, undergoing crystallization.
  • Erosion and sedimentation:Erosion is the process of carrying away or displacement of sediment by the action of wind, water, gravity, or ice. The process of deposition of sediment from a state of suspension or solution in a fluid is called sedimentation
  • Metamorphism: Metamorphism occurs when rocks are forced down to lower levels by tectonic processes or when molten magma rising through the crust comes in contact with the crustal rocks or the underlying rocks are subjected to great amounts of pressure by overlying rocks. It is a process by which already consolidated rocks undergo recrystallisation and reorganisation of materials within original rocks.

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