limestone

Click images to enlargeSedimentary rock composed chiefly of calcium carbonate (CaCO3), either derived from the shells of marine organisms or precipitated from solution, mostly in the ocean. Various types of limestone are used as building stone. Karst is a type of limestone landscape. Caves commonly ...
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limestone

A carbonate sedimentary rock composed of more than 50 percent of the mineral calcium carbonate (CaCO3).
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Limestone

A sedimentary rock made up of calcium carbonate.
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Limestone

A rock composed mainly of calcium carbonate CaCO3. Limestones comprise a large variety of rocks including carbonate muds and oozes, chalks, ooliths and bioclastic limestone. They form in a variety of environments from deep sea (but above the carbonate compensation depth), temperate seas, tropical sea, lakes and rivers. Most caves are found in limes
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limestone

[n] - a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals
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Limestone

A sedimentary rock made of calcium carbonate. In the Knockan Crag area this type of rock is known as Durness limestone after the village on the north coast. It tells us that this part of Scotland was once near the equator since limestone can only form in warm shallow water: there needs to be a certain temperature and lots of light for the chemical
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Limestone

is a naturally occurring rock consisting principally of the carbonates of calcium and magnesium, in which the ratio by weight of CaCO3 to MgCO3 is not less than 1.2 to 1.0.
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Limestone

a mineral made of calcium carbonate (CaCO3)
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Limestone

a sedimentary rock which composed mostly of calcium carbonate (calcite)
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Limestone

Stone formed from the skeletons of marine animals. Limestone does not occur sufficiently widely in Scotland to be used as a building stone, but was commonly 'burned' to make quicklime for lime mortar, render, etc. Related Words: Lime mortar, render, limewashing
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Limestone

A sedimentary rock, consisting predominantly of calcium carbonate.
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Limestone

Lime'stone` (līm'stōn`) noun A rock consisting chiefly of calcium carbonate or carbonate of lime. It sometimes contains also magnesium carbonate, and is then called magnesian or dolomitic limestone . Crystalline limestone is called marble .
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limestone

noun a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals
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Limestone

• (n.) A rock consisting chiefly of calcium carbonate or carbonate of lime. It sometimes contains also magnesium carbonate, and is then called magnesian or dolomitic limestone. Crystalline limestone is called marble.
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limestone

sedimentary rock composed mainly of calcium carbonate (CaCO3), usually in the form of calcite or aragonite. It may contain considerable amounts of ... [42 related articles]
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Limestone

sedimentary rock composed largely of the mineral calcite (calcium carbonate: CaCO3).
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Limestone

Sedimentary rock composed of carbonate minerals, especially calcium carbonate. Limestone can be created by clastic and non-clastic processes. Clastic limestones are formed from the break up and deposition of shells, coral and other marine organisms by wave-action and ocean currents. Non-clastic limestones can be formed either as a precipit...
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LIMESTONE

A sedimentary rock consisting mainly of calcium carbonate, (CaC03), derived from the accumulated deposition (and fossilisation) of the calcareous remains of marine or freshwater organisms.
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limestone

Limestone. Credit: Mineral Information Institute A sedimentary rock composed mainly of calcium carbonate (CaCO3) and magnesium carbonate (MgCO3). The chief minerals found in limestone are calcite and aragonite; dolomite is also be present in the dol...
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limestone

limestone, sedimentary rock wholly or in large part composed of calcium carbonate. It is ordinarily white but may be colored by impurities, iron oxide making it brown, yellow, or red and carbon making it blue, black, or gray. The texture varies from coarse to fine. Most limestones are formed by the ...
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Limestone

Limestone is one of the various forms in which calcic carbonate (carbonate of lime) occurs naturally. Other natural forms of the carbonate are marble, chalk, and calc-spar. When pure it has the composition of 57 per cent of lime and 43 of carbon dioxide. Most varieties of limestone are highly impure, and contain magnesium carbonate, silica, alumina
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limestone

a sedimentary rock consisting essentially of carbonates (CO3). Organic limestone is produced from shells and skeletons of animals secreting calcium carbonate (CaCO3). An example of this form of limestone is chalk.
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Limestone

sedimentary rock composed of carbonate of lime: a form of calcium carbonate which can be carved on its own or ground up to make plaster when mixed with sand. See also Plaster
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Limestone

[album] Limestone is an Australian reggae album. It is a collaboration between Joe Camilleri and Bomba`s Nicky Bomba. The name Limestone is a tribute to the country of birth to both Camilleri and Bomba, the island of Malta. ==Track listing== ...
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Limestone

[disambiguation] Limestone is a sedimentary rock composed of the mineral calcite (calcium carbonate). Limestone may also refer to: Geological deposits made of limestone: == Places == Two regions of the European Alps: In Canada: In the United States: == Other uses == ...
Found on http://en.wikipedia.org/wiki/Limestone_(disambiguation)
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