Limestone analysis

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Limestone

        Limestone (CaCO3) is a sedimentary rock which is mainly calcium carbonate (mineral calcite). Limestone is made from sea shells and remains of creatures under the sea. It formed millions of years ago.

        Limestone is a very useful rock and we use a lot of it. 600 tons of limestone is mined in every minute and 120 million tons of it is mined every year. We use 3 ½ tons of limestone every year. 80% of the quarried limestone is used in construction and 3% is used in agriculture.

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        Limestone has many uses. It is used in construction because is very strong, durable and not too expensive. An average of 50 tons of limestone is used in the building of houses. Some old buildings like cathedrals and many landmarks especially in Europe and North America are often made just from limestone blocks because limestone is easy to cut and carve and it can last a long time, although acid rain can cause them to wear away. Other construction uses of limestone include concrete, cement and steel manufacture, road making, bricks, paint, glass, mirrors, paper and to purify water. Limestone ...

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