کارست

Also known as karst topography

thumb|Typical karst terrain of the Dinaric Alps thumb|Li River|Li Jiang fengcong (cone karst) in [[Guilin as part of the South China Karst]] thumb|Karst formation of the Serra de Tramuntana Karst () is a topography formed from the dissolution of soluble carbonate rocks such as limestone and dolomite. It is characterized by features like poljes above and drainage systems with sinkholes and caves underground. There is some evidence that karst may occur in more weathering-resistant rocks such as quartzite given the right conditions.