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Home > Education > A–Z Glossary of Limestone Terms

A–Z Glossary of Limestone Terms

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15 items found. For further information on glossary terms contact us

Calcination
Calcination is the heating of a substance so that a physical, or chemical change occurs. In the case of limestone, it refers to the dissociation of calcium and magnesium carbonates into calcium and magnesium oxide with evolution of carbon dioxide gas.

Caustic soda
Caustic soda is sodium hydroxide.

Cement
Cement is the natural or synthetic material which binds rock particles together. In sedimentary rocks, the cementing substances include silica, calcite, clay and iron oxide.

Chemical-grade
Chemical-grade (or quality) limestone see high calcium limestone.

Coarse aggregate
Coarse aggregate may be described as that fraction of aggregate in general terms that is greater than 4mm in size.

Coated macadam
Coated macadam is a road material consisting of aggregate that has been coated with tar or bitumen.

Composite sample
A composite sample is a mixture of spot samples taken at different times, or places, from a larger mass of the same material. It is produced by thoroughly mixing the combined spot samples and, if necessary, sub-diving the quantity of the resulting mixture, using approved techniques.

Conductivity
Conductivity is the ability of a substance to conduct heat or electricity.

Coral limestone
Coral limestone is one in which the main fossil is coral.

Cretaceous limestone
Cretaceous limestone was deposited in the Cretaceous period 65 to 144 million years ago.

Crusher-run aggregate
Crusher-run aggregate is the unscreened product from a single crushing operation.

Container glass
Glass made from a specific mixture of sand, soda ash, limestone and other additives to produce bottles and jars

Carpet-backing
Limestone is an important filler for strengthening the latex backing of rugs and carpets. Latex-based carpet backing is the coating on the reverse side of a woven carpet that holds the fibres in place and provides a degree of resiliency and stiffness

Chalk
Chalk is a soft, white, porous, sedimentary rock composed primarily of calcium carbonate. It is common to find flint or chert nodules (SiO₂) embedded within a chalk deposit.

Ceramics
In low-fire bodies, limestone is sometimes added in small amounts as a filler to reduce fired shrinkage. It is also included in porous earthenware body recipes to prevent moisture expansion (causes glazes to craze). Limestone is also used as a flux in ceramic glazes.

Natural Chemistry...Pure Science

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