arête and pinnacle karst
- A landscape of naked reticulated raw-topped ridges having almost vertical slopes and a relief of as much as 120 meters. The ridges rise above forest- covered corridors and depressions. Found in New Guinea at elevations of 2,000 meters and more .Both pinnacle karst and arête karst are varieties of limestone landscape formed under equatorial rain forest cover. They are characterized by vertical sided blades of bare rock fretted by dissolution .
A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. Courtesy of the author & The Karst Waters Institute. 2002.
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pinnacle karst — 1. Tropical karst characterized by vertical rock blades fretted sharped by dissolution. It is practically indistinguishable from arête karst and tsingi, and includes the varieties known as shilin. The Pinnacles in the Mulu karst of Saraway… … Lexicon of Cave and Karst Terminology