- , rimstone barrier, rimstone damA wall-shaped deposit that impounds pools of water in caves, around springs, and in cascades of streams saturated with calcium bicarbonate .Synonym: (French.) gour.
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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rimstone — 1. A wall shaped deposit around springs and below cascades which impounds water in pools. Its formation is due to precipitation from saturated bicarbonate waters . 2. Calcareous deposits formed around the rims of overflowing basins,… … Lexicon of Cave and Karst Terminology
rimstone pool — A pool sited on a cavern floor and enclosed by a rim of carbonate reprecipitated from the karst water in the pool at points locally favoring the release of carbon dioxide . See also rimstone; rimstone barrage … Lexicon of Cave and Karst Terminology
rimstone barrier — See rimstone barrage … Lexicon of Cave and Karst Terminology
rimstone dam — See rimstone barrage … Lexicon of Cave and Karst Terminology
terraced flowstone — Shallow rimstone pools on outward sloping walls . See also rimstone barrage; rimstone barrier; rimstone dam; constructive waterfall … Lexicon of Cave and Karst Terminology
gour — Flowstone deposit, normally of calcite, built up along the edge of a pool due to precipitation from a thin film of overflow water. Once initiated, by calcite saturated water overflowing from floor hollows, development is selfenhancing, and the … Lexicon of Cave and Karst Terminology