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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.
Confidence votes 68.4K. Rockhound. In geology, the term deposition refers to the settling out or placement of rock, particles of rock, or organic matter, generally referred to as sediments, after transportation by wind, water, ice, or gravity.