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7,900 square kilometres (3,100 sq mi), or 19% of the surface of Switzerland, is karst, within this area lies the majority of the 7,500 currently known Swiss caves, with an accumulated passage length of more than 1,200 kilometres (750 mi).
The Great Blue Hole, a giant submarine sinkhole, near Ambergris Caye, Belize. The following is a list of sinkholes, blue holes, dolines, crown holes, cenotes, and pit caves. A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer.
The Red Lake sinkhole in Croatia. A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. The term is sometimes used to refer to doline, enclosed depressions that are also known as shakeholes, and to openings where surface water enters into underground passages known as ponor, swallow hole or swallet.
Global distribution of major outcrops of carbonate rocks (mainly limestone, except evaporites). The English word karst was borrowed from German Karst in the late 19th century, [6] which entered German usage much earlier, [7] to describe a number of geological, geomorphological, and hydrological features found within the range of the Dinaric Alps, stretching from the northeastern corner of ...
“We have over 4,000 reported karst features and several thousand caves,” Selig said. “We’re still finding new caves all the time and there’s still a lot to learn about Indiana’s caves.”
Pages for logged out editors learn more. Contributions; Talk; List of notable karst areas
One person has been killed in a wildfire burning in the Colorado foothills, authorities said Wednesday, as almost 100 large blazes burned across the western U.S. The death came in a fire north of ...
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