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Columbia Encyclopedia entry: cave
Cave, a cavity in the earth's surface usually large enough for a person to enter. Caves may be formed by the chemical and mechanical action of a stream upon soluble or soft rock, of rainwater seeping through soluble rock to the groundwater level, or of waves dashed against a rocky shore. Volcanic action (accompanied by the formation of gas pockets in lava or the melting of ice under lava) and earthquakes or other earth movements are also sources of cave formation. Limestone regions almost invariably have caves; some of these are notable for their stalactite and stalagmite formations or for their magnitude and beauty.

The preserved remains of prehistoric humans and animals and indications of early human culture have been discovered in some caves. Caves have served as burial grounds and shelter since prehistoric times. One such cave is Alabama's Russell Cave, where human evidence dates back 9,000 years. Speleology, the scientific study of caves and their plant and animal life, contributes to knowledge of biological adaptation and evolution. Some cave animals lack sight, and both plants and animals living where light is excluded show loss of pigment. Deep cave ecosystems, lacking the sunlight necessary for photosynthesis, depend on bacteria that use chemosynthesis to create energy.

Among famous caves in the United States are Carlsbad Caverns National Park (N.Mex.), Mammoth Cave National Park (Ky.), Wind Cave National Park (Black Hills, S.Dak.), Luray Caverns (Va.), and Wyandotte Cave (Ind.). In Europe there are celebrated caves in Belgium, Dalmatia, Gibraltar, Capri, Sicily, Postojna, and England (Kent's Cavern and Kirkdale). The caves of the Pyrenees and the Dordogne are famed for their prehistoric paintings (see Paleolithic art), and those of Ajanta, India, and Dunhuang, China, for their Buddhist frescoes. Among the deepest known caves are Krubera in the nation of Georgia, which extends more than 6,500 ft (2,000 m) below the surface, and Lamprechtsofen in Austria.

See C. E. Mohr and T. L. Poulson, The Life of the Cave (1966); D. R. McClurg, The Amateur's Guide to Caves and Caving (1973).

Wikipedia search results for: Cave
From Wikipedia, the free encyclopedia
A cave or cavern is a natural underground space large enough for a human to enter. Some people suggest that the term cave should only apply to cavities that have some part that does not receive daylight; however, in popular usage, the term includes smaller spaces like sea caves, rock shelters, and grottos. Speleology is the science of exploration and study of all aspects of caves and the environment which surrounds the caves. Exploring a cave for recreation or science may be called caving, potholing, or, in Canada and the United States, spelunking. The formation and development of caves is known as...more »
Columbia Encyclopedia search results: cave
Results 1 - 10  of 199
  • Baradla Caves

    Baradla Caves, three large caves, NE Hungary and SE Slovakia, c.25 mi (40 km) NW of Miskolc, Hungary. Aggtelek and Josvafö caves are in Hungary; Dobšiná is in Slovakia. They are noted for thei...

  • cave fish

    Cave fish, common name for blind, cave-dwelling fishes of the family Amblyopsidae. The Amblyopsidae are whitish fish, up to 5 in. (13 cm) long. With the exception of a single species, all memb...

  • Cave, Edward

    Cave, Edward, 1691–1754, English publisher. He founded (1731) the Gentleman's Magazine, the first modern magazine in English. Cave gave Samuel Johnson his first regular literary employment whe...

  • Fingal's Cave

    Fingal's Cave, cavern, 227 ft (69 m) long, celebrated for its unusual beauty, on Staffa island, one of the Inner Hebrides, W Scotland. The entrance is an archway supported by basaltic columns ...

  • Wyandotte Cave

    Wyandotte Cave, one of the largest natural caverns in the United States, S Ind., W of New Albany; discovered in 1798. There are 23 mi (37 km) of passages and several large and beautiful chambe...

  • Johnson, Cave

    Johnson, Cave, 1793–1866, American political leader, b. Robertson co., Tenn. He practiced law in his native state and served (1829–37, 1839–45) in the U.S. House of Representatives. Johnson ga...

  • Mammoth Cave National Park

    Mammoth Cave National Park, 52,830 acres (21,396 hectares), central Kentucky, authorized 1926, est. 1941. Located in a hilly, forested region, it offers numerous outdoor activities. It is the ...

  • Wind Cave National Park

    Wind Cave National Park, 28,295 acres (11,459 hectares), in the Black Hills, SW S.Dak.; est. 1903. Wind Cave, discovered in 1881, was named for the strong air currents that blow alternately in...

  • speleology

    Speleology, systematic exploration of caves, popularly called spelunking. It includes the measuring and mapping of caves and reporting on the flora and fauna found in them. One application of ...

  • Ephron

    Ephron, in the Bible. 1 Owner of the cave of Machpelah. 2 City, E of the Jordan, captured by Judas Maccabeus. 3 Mount, near Kiryat-jearim.

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