UIS Commission on Karst Hydrogeology and Speleogenesis
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Glossary

Glossary of Karst and Cave Terms

pinnacle karst
1. Tropical karst characterized by vertical rock blades fretted sharped by dissolution. It is practically indistinguishable from arete karst and tsingi, and includes the varieties known as shilin. The Pinnacles in the Mulu karst of Saraway have rock blades up to 50m high projecting through the rain forest canopy [9]. 2. A tropical landscape of bare reticulated saw-topped ridges having almost vertical slopes and a relief of as much as 120 meters. The ridges rise above forest-covered depressions and corridors. Found in New Guinea at elevations or around 2,000 meters [20]. Synonyms: (French.) karst a pinacles; (German.) Pinnacle Karst; (Greek.) karst koriphon; (Italian.) carsismo a pinnacoli; (Turkish.) sivritepeli karst. Compare cone, cupola, tower karst.