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Soluble rocks (dissolution) Sinkhole; as the water filters down through the rocks above, the salt starts to dissolve and the rocks above drop down to form a sinkhole. Ground dissolution occurs when water passing through soluble rocks produces underground cavities and cave systems. These cavities reduce support to the ground above and can cause localised collapse of the overlying rocks and deposits.
A form of weathering where the grains of a rock become loosened and fall out, to leave a pitted, uneven surface. AndrÃ© (2002) Geografiska A 84, 3â4 finds that the granular disintegration of crystalline rocks operates at the same rate whatever the environment. From: granular disintegration in A Dictionary of Geography Â»