Limestone features The Burren, Co. Clare The word Karst means exposed or bare ground. It is used mainly to describe a Limestone area where this karstic landscape can be seen. • • • • Lack of rivers Swallow holes on the surface Dolines Underground water • Permeable • Well jointed • Has bedding planes • Chemically weathered by…… …..carbonation Overground features: • Limestone pavement with clints, grikes and karren • Terraces • Swallow holes • Dolines / Sinkholes • Turloughs Limestone Pavement clints Grikes Terrace Underground features: • Caves and passages • Stalactites • Stalagmites • Pillars • Curtains • Streams