Limestone - Wikipedia, the free encyclopedia
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Limestone is a sedimentary rock composed largely of the mineral calcite (calcium carbonate: CaCO 3 ). The deposition of limestone strata is often a by-product and indicator of biological activity i...
en.wikipedia.org/wiki/Limestone
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Limestone is a very common sedimentary rock of biochemical origin. It is composed mostly of the mineral calcite. Sometimes it is almost pure calcite, but most limestones are filled with lots of other minerals and sand and they are called dirty limestones.
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www.galleries.com/Rocks/limestone.htm
www.galleries.com/Rocks/limestone.htm
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Limestone is one of the major types of sedimentary rocks. ... Limestone is usually made of the tiny calcite skeletons of microscopic organisms that once lived in shallow seas like today's Bahamas. (more below)
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geology.about.com/library/bl/images/bllimestone.htm
geology.about.com/library/bl/images/bllimestone.htm
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But limestone, chalk , and marble are made from one mineral it's called Calcite. Limestone can be found in many parts of the world, and you can see little fossils in it because it is very soft, and fragile. Some caves, and buildings are made out limestone.
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www.robbins.ecasd.k12.wi.us/earthmaterials/how_is_limes...
www.robbins.ecasd.k12.wi.us/earthmaterials/how_is_limestone_formed.htm
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Limestone with its unique characteristics, subtle beauty and great versatility have made it a popular choice for any design style. ... Depends on the environmental conditions and the type of limestone...Exterior installation, in warm humid regions limestone weathers easily. If iron oxides or pyrite are present rust spots...
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www.stonecaretechniques.com/13.htm
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Limestone rocks are sedimentary rocks that are made from the mineral calcite which came from the beds of evaporated seas and lakes and from sea animal shells. This rock is used in concrete and is an excellent building stone for humid regions...
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www.fi.edu/fellows/fellow1/oct98/expert/limestone.htm
www.fi.edu/fellows/fellow1/oct98/expert/limestone.htm
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Limestone is a chemical sedimentary rock. Chemical sedimentary rocks are formed from material that is carried in solution to lakes and seas unlike detrital rocks. The material in solution will eventually percipitate or settle to the bottom and become rock such as limestone.
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www.cartage.org.lb/en/themes/Sciences/Earthscience/Geol...
www.cartage.org.lb/en/themes/Sciences/Earthscience/Geology/RocksandMinerals/MineralsandRocks/Sedimentary/Limestone/Limestone.htm
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Limestone is a sedimentary rock composed largely of the mineral calcite (calcium carbonate: CaCO3). Limestones often contain variable amounts of silica in the form of chert or flint, as well as varying amounts of clay, silt and sand as disseminations, nodules, or layers within the rock. ... Print Email Bookmark ... > read more...
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www.sciencedaily.com/articles/l/limestone.htm
www.sciencedaily.com/articles/l/limestone.htm
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