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25 Words Limestone 25 WORDS LIMESTONE Limestone is a sedimentary rock composed largely of the mineral calcite (calcium carbonate: CaCO3). It often has variable amounts of silica in it, as well as varying amounts of clay, silt, and sand. Limestone rocks fall under the category of sedimentary rocks that are made from mineral calcite. This rock is used to make concrete and is an excellent building stone for humid regions. Limestone, chemical formula CaCO3, is a white, chalky solid in most conditions. As a sedimentary rock, it will usually contain fossils of ancient creatures. It is used extensively in the construction industry, like in cement. Limestone is a sedimentary rock that's also an example of a mixture. It's mainly made of calcium carbonate. It's used widely around the world as a building material and is easily corroded by acids. Limestone is a sedimentary rock that is made of mostly calcium carbonate (CaCO3). Limestone is popular in architecture. Even the pyramids of Egypt are made of limestone! Limestone, a sedimentary rock which contains silica, and composed largely of the mineral calcite. It is also 10% of the total volume of all sedimentary rocks, and many marine organisms live on it. Limestone, CaCO2, is a type of sedimentary rock making up 10% of all sedimentary rocks on earth. Limestone is partially soluble and reactive and it is a main ingredient of cement and mortar. Limestone is a sedimentary rock that is mainly composed of mineral calcite (calcium carbonate, CaCO3). This calcite came from sea animal shells. It is also precipitated from ocean water. Limestone is easily dissolved by acids. Limestone is a type of sedimentary rock used as a soil conditioner, in the manufacturing of glass, and in agriculture. It mainly consists of calcium carbonate usually in the form of calcite. Limestone, CaCO3, is a sedimentary rock. It is mostly mineral calcite.Limestone is used for architecture, like the Pyramids of Giza. Limestone was most popular in the late 19th and early 20th centuries. Limestone: Limestone is a sedimentary rock made from the mineral calcite (calcium carbonate) and sediment. It is used as a building material, either as limestone blocks or mixed with concrete. Limestone is a sedimentary rock. It is primarily made up of silica and calcites. The main calcites are marine organisms. Limestone is easily eroded either by water or by other organisms Limestone makes up about ten percent of the total volume of all sedimentary rocks. Limestone is partially soluble, especially to acid. Limestone is used in architecture around the world. Limestone is a sedimentary rock composed largely of mineral calcite. It often contain silica in the form of flint and varying amounts of clay and sand as layers in the rock. Limestone contains different amounts of silica, clay, silt and sand. The primary source of the calcite in limestone is most marine organisms. Limestone makes up about 10% of the total volume of all sedimentary rocks. Limestone is a sedimentary rock composed primarily of the mineral calcite. It constitutes approximately ten percent of sedimentary rocks exposed on earth’s surface and is used to make cement and concrete. Limestone makes up about 10% of the total volume of all sedimentary rocks composed largely of the mineral calcite. It contains silica, clay, silt and sand as dissemination, nodules, or layers within the rock. Limestone is a sedimentary rock compose mainly of calcite. It is used mostly as a building block, as you can see from many landmarks, such as Egypt's pyramids. Limestone is a sedimentary rock made up of mostly calcite from the shells of marine animals. Acids easily dissolve limestone; most caves are formed when weak acids dissolve enormous limestone chunks, which become caverns. Limestone, sedimentary rock, made mostly of calcite, CaCO3, constitutes about 10 percent of sedimentary rocks at Earth's surface. It is used in cement and concrete. Sedimentary rock composed mainly of calcium carbonate (CaCO3), usually in the form of calcite and, less commonly, aragonite. It may contain considerable amounts of magnesium carbonate (dolomite) as well.- http://www.britannica.com/ebc/article- 9370253- Limestone - a sedimentary rock that composed mostly of calcium carbonate in the form of calcite or aragonite, used as a building stone and in the manufacture of lime, carbon dioxide and cement. Limestone is a form of sedimentary rock that was commonly used in the twentieth century as building material, it is highly reactive to acid solution, however. Limestone is a common sedimentary rock that is composed mostly of the mineral calcite (CaCO3). It is produced by crystallization from water, or by accumulation of shells and shell fragments. Limestone, a sedimentary rock, is made up mainly of calcite, which is made up mainly of the skeletons of microsopic organisms. Limestone was also used to build the pyramids of Egypt. Lime stone is a type of rock that has alot of calcium carbonate (CaCO3). Limestone also contains amounts of silica. Limestone is 10% of all sedimentary rocks. Limestone; Limestone is a rather common sedimentary rock that is primarily composed of the mineral calcite. The calcite has a biochemical origin in that it is derived from the shellsof dead organisms. Impurities in limestone, such as clay, sand, organic remains, iron oxide and other materials, this causes many limestone’s to exhibit different colors, especially on weathered surfaces. Limestone is a sedimentary rock that is usually formed from the shells and skeletons of sea animals. It is used in concrete and is a great building stone for humid areas. Limestone;Limestone is a non-clastic sedimentary rock which is produced from the mineral calcite and from sediment. It is very abundant, can be easily dissolved by acids, and is used in architecture. Limestone is a sedimentary rock that is mainly composed of calicite which is found in the shells of sea animals. Limestone is used a building material in moist areas. Limestone is formed at the bottom of lakes and seas mostly made of sea shells. The resulting compound is calcite with variant amounts of silica such as flint or chert. Limestone is a good material for buildings, its durability and hardness increase's only in warmer geographical regions Limestone is a sedimentary rock composed largely of calcium carbonate, CaCO3. It is very common in architecture in North America and Europe. The pyramids in Egypt are also made of limestone. Limestone; Made up of mainly calcite that has been made usually by the shells of some marine animals, limestone is also the stone that holds up the pyramids in Egypt. Limestone is a sedimentary rock composed largely of the mineral calcite (calcium carbonate: CaCO3).In the Middle Ages, Limestone was a very common building block because of its hardness and durability. LImestone is a sedimentary rock which has a biochemical origin. Limestone is commonly found in architecture; some of the pyramids of egypt are an example. Limestone is a sedimentary rock with a large component of calcium carbonate, in the form calcite or aragonite. Limestone is used for obtaining fossil information, creating raw materials of fertilizer, and for architectural purposes. Limestone is a sedimentary rock rich in calcite. It is mainly found in the ocean. Limestone was widely used in architecture, especially in the pyramids. Limestone is partially soluble; therefore, it can be eroded. Limestone is the most important rock in construction, which is the primary source of cements. Limestone is the best rock of finding fossils because it contains biogenic origins. Limestone is produced from calcium carbonate and sediment. It can be formed from sea creatures that secrete lime. Chalk is another type of limestone. Limestone can easily be dissolved by acids. Limestone is a very comon sedimentary rock that has been used to make many things including the pyramids. Limestone is composed primarily of mineral calcite from marine orginisms .
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