What are the examples of mechanical weathering?

Mechanical weathering is also known as physical weathering. It is the disintegration of rock by mechanical processes and therefore depends on the application of force. Examples of mechanical weathering are:

  • A large exfoliation dome in granite rock near bhongir (Bhuvanagiri) town in Andhra Pradesh.
  • In rocks like granites, smooth surfaced and rounded small to big boulders called tors form due to exfoliation.
  • Frost weathering occurs due to the growth of ice within pores and cracks of rocks during repeated cycles of freezing and melting.
  • Sodium chloride and gypsum crystals in desert areas heave up overlying layers of materials and as a result, polygonal cracks develop all over the heaved surface

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