- 1. American term defined by Davis (1930) ‘Mammoth Cave possesses several extraordinary vertical cavities of which the arched tops are called domes and the deep bottoms are called pits. The combined name, dome pits, is here used for them’.2. A deep shaft in a cave, intersected by a passage at or near its mid-section .See aven.Synonyms: (French.) évorsion, marmite inversée; (German.) Deckenkolk; (Greek.) vathís lákkos me thólon; (Italian.) marmitta inversa; (Spanish.) marmita inversa; (Turkish.) kemerli obruk.
A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. Courtesy of the author & The Karst Waters Institute. 2002.
Look at other dictionaries:
dome — 1. A high shaft in a room or passage formed by solution . 2. A large hemispheroidal hollow in the roof of a cave,formed by the breakdown and/or salt weathering, generally in mechanically weak rocks, which prevents bedding and joints… … Lexicon of Cave and Karst Terminology
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Pancake dome — A pancake dome is an unusual type of volcano found on the planet Venus. They are widely scattered on that planet and often form groups or clusters, though with smaller numbers of pancake domes in each group than is typical for the more common… … Wikipedia
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aven — 1. A hole in the roof of a cave passage that may be either a rather large blind roof pocket or a tributary inlet shaft into the cave system. A feature described as an aven when seen from below may equally be described as shaft when seen from… … Lexicon of Cave and Karst Terminology
chimney — 1. Nearly circular shaft rising upwards from the ceiling of a cave towards the surface of the ground; if it does not reach the surface it is termed a blind chimney. If the chimney is formed mainly by solution, it is related to a domepit; if… … Lexicon of Cave and Karst Terminology
foiba — (Italian.) 1. A deep wide vertical cavity or the swallow point of a river at the beginning of its underground course. 2. A natural vertical shaft in soluble rock, tending toward cylindrical shape; it may or may not reach the surface. A… … Lexicon of Cave and Karst Terminology
speleogen — A secondary cave structure formed by dissolving, such as a dome pit or a scallop  … Lexicon of Cave and Karst Terminology
vertical shaft — These are formed by underground water dripping of flowing straight downward through the limestone along vertical cracks. Uniformly distributed dissolution of the rock results in a silo or well shaped passage so that most of them appear roughly … Lexicon of Cave and Karst Terminology