cave pearl

конкреция, строением похожая на жемчуг, образующаяся в пещерах вращательным действием воды

English-Russian dictionary of geology. 2011.

Смотреть что такое "cave pearl" в других словарях:

  • Cave pearl — A cave pearl is a type of speleothem, a concretion of calcium salts which forms in limestone caves. They may be any shape but are formed of concentric layers, reaching up to 15 centimeters in diameter. Most are smaller than one centimeter wide.… …   Wikipedia

  • cave pearl — ▪ geological feature       small, almost spherical concretion of calcite that is formed in a pool of water in a cave and is not attached to the surface on which it forms. Occasionally saturated water drips into small pools with such vigour that a …   Universalium

  • cave pearl —    1. Carbonate concretion, usually of calcite, that is spherical or irregular in shape, with an internal structure of concentric banding round a central grain. Pearls form in pools of saturated water disturbed by dripping water, so that they are …   Lexicon of Cave and Karst Terminology

  • cave pearl — noun : a small smooth round concretion of carbonate of lime found in limestone caves …   Useful english dictionary

  • Pearl — For other uses, see Pearl (disambiguation). Pearl Pearls General Category Mineral Chemical formula Ca …   Wikipedia

  • cave pisolite —    See cave pearl …   Lexicon of Cave and Karst Terminology

  • pearl —    See cave pearl …   Lexicon of Cave and Karst Terminology

  • Cave of the Mounds — The Cave of the Mounds is a natural limestone cave located in Blue Mounds, Wisconsin, USA, and is named for two nearby hills called the Blue Mounds. More specifically, it is located in the southern slope of the east hill. The cave s beauty comes… …   Wikipedia

  • Pokémon Diamond and Pearl — For other uses, see Pokémon Diamond and Pearl (disambiguation). Pokémon Diamond and Pearl North American box art for Pokémon Diamond, depicting the legendary Pokémon Dialga Developer(s) Game Fre …   Wikipedia

  • The Black Pearl (Scott O'Dell) — The Black Pearl is a young adult novel by Scott O Dell first published in 1967 about the coming of age of the son of a pearl dealer living in the Lower California peninsula. It was a Newbery Honor book in 1968.Plot summarySet in the city of La… …   Wikipedia

  • Pokémon Diamond и Pearl — Обложка Pokémon Diamond Обложка Pokémon Pearl Разработчик Game Freak Издатели Nintendo, The Pokémon Company …   Википедия

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