Glossary of landform and geologic terms. 2013.
sinkhole — A closed, circular or elliptical depression, commonly funnel shaped, characterized by subsurface drainage and formed either by dissolution of the surface of underlying bedrock (e.g., limestone, gypsum, salt) (solution sinkhole) or by collapse… … Glossary of landform and geologic terms
sinkhole — noun a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof • Syn: ↑sink, ↑swallow hole • Hypernyms: ↑natural depression, ↑depression … Useful english dictionary
collapse sinkhole — A type of sinkhole that is formed by collapse of a cave within the underlying soluble bedrock (e.g., limestone, gypsum, salt). Compare: solution sinkhole. SW, WW, & GG … Glossary of landform and geologic terms
blue hole — 1. Deep resurgence pool, notably in Jamaica and Florida, that may have a blue color due to the presence of algae. Also a deep submarine cave of the Bahamas. The latter type are large flooded shafts cut into the limestones of the shallow reefs… … Lexicon of Cave and Karst Terminology
doline — ; sinkhole A basin or funnel shaped hollow in limestone, ranging in diameter from a few meters up to a kilometer and in depth from a few to several hundred meters. Some dolines are gentle grassy hollows; others are rocky cliff bounded… … Lexicon of Cave and Karst Terminology
cave — cavelike, adj. /kayv/, n., v., caved, caving. n. 1. a hollow in the earth, esp. one opening more or less horizontally into a hill, mountain, etc. 2. a storage cellar, esp. for wine. 3. Eng. Hist. a secession, or a group of seceders, from a… … Universalium
Geography and ecology of the Everglades — The geography and ecology of the Everglades involve the complex elements affecting the natural environment throughout the southern region of the U.S. state of Florida. Before drainage, the Everglades were an interwoven mesh of marshes and… … Wikipedia
Karst topography — is a landscape shaped by the dissolution of a layer or layers of soluble bedrock, usually carbonate rock such as limestone or dolomite. Due to subterranean drainage, there may be very limited surface water, even to the absence of all rivers and… … Wikipedia
Orjen — Mount Orjen from the North (6 June 2001) Elevation 1,894 m (6,214 ft) … Wikipedia
Luray Caverns — Luray Caverns, originally called Luray Cave, is a large, celebrated commercial cave just west of Luray, Virginia, USA, which has drawn many visitors since its discovery in 1878. The underground cavern system is generously adorned with speleothems … Wikipedia
