Definition of doline in English English dictionary
A closed depression formed by one of several processes Collapse doline forms when a cavity is hollowed out below the surface by dissolution of carbonate rocks and subsequently collapses Subsidence doline is formed when thin cover of carbonate rocks collapse into an underlying dissolved cavity See sinkhole
A closed depression formed by karst processes Collapse Dolines form by collapse of the surface rocks into an underground cavity Solutional dolines form by direct solution at the surface Subsidence dolines form by the downward movement of loose surface material such as soils into an underground cavity A cenote is a special case of the collapse doline that contains a water-table pool