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Limestone is a sedimentary rock, ... It can suppress methane explosions in underground coal mines. Purified, it is added to bread and cereals as a source of calcium.

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Limestone, as used by the minerals industry, is any rock composed mostly of calcium carbonate (CaCO 3). Although limestone is common in many parts of the United

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Three types of calcium carbonatecontaining rock are excavated and used by industry. They are limestone, ... burning of coal in ... limestone. Calcium carbonate ...

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Limestone is a chemical or biological sedimentary rock that has many uses in agriculture and industry. ... particles of flammable coal dust in the air. Limestone has ...

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The importance of coal. ... The coal mining industry contributed approximately R37 billion to the economy in 1993, with gold contributing R115 billion ...

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Nov 23, 2012· Extraction Of Limestone Important To Industry ... answer you extraction of limestone important ... Coal and limestone are the two important natural ...

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limestone importance to coal industry. Economic Mineral Resources Ohio History Central. 17 Jun 2013 ... As the industrial revolution began, Ohio''s coal resources ...

Mineral Illinois DNR. industry. Limestone lllinois'' most valuable mineral resource is depicted here. Learn about the mining and uses of these recently deposited ...

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Experiencing both boom and bust, the coalmining industry has affected the lives of thousands of people in northern and central Alabama. The industry changed the face ...
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