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  • Created by: ra9718
  • Created on: 16-05-16 14:34

1. what is frost shattering?

  • is caused by the expansion of freezing water in fractures which cause rocks to be split apart
  • e expansion and fracturing of rock due to the removal of overlying rocks
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2. what is hydrolysis?

  • the reaction between minerals and water, causing the minerals to decompose
  • when sheets of rock split off due to differential expansion and contraction of minerals during diurnal heating and nocturnal cooling

3. what are the products of frost shattering?

  • a residue of angular rock called scree
  • fragments of rocks

4. what is root action?

  • what causes the mechanical and chemical of rocks by the wedging action of plant roots of penetrating into rocks.
  • is the action of an animal when it digs a hole and brings to the surface rock and soil particles.this facilitates weathering at greater depth, by providing access for atmospheric gases and water.

5. what is carbonation?

  • is the reaction between carbonic acid and the minerals.
  • is the in situ chemical alteration and mechanical and biological breakdown of rocks by exposure to the atmosphere, water and organic matter.
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