• Limestone pavement – bare limestone surface • Clints – blocks of limestone • Grikes – gaps between blocks of limestone • Karren – depressions on surface of limestone
• Swallow hole – grike widens and river disappears underground
• Disappearing stream – river that goes underground
• Dry valley – valley remaining after river goes underground
• River of resurgence – river reappears further downhill • Doline – hollow formed by cave collapsing • Turlough – depressions with seasonal lakes
The Burren: sub-surface features
• Stalactites – calcite grows down from ceiling • Stalagmites – calcite grows up from the ground • Pillars/columns – stalactite and stalagmite joins • Curtains – calcite grows from crack in ceiling