write an essay on different shapes of clay products
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1. Clay Products Building Construction Material
2. Introduction
• Clay is naturally occurring mineral that is found almost every where on the surface of the earth making the soil cover or the soft ground.
• It is so widespread in its occurrence that in common language it is often referred as earth.
Introduction • Miner logically pure clay may be composed of one or more minerals of clay group such as Kaolinite, Montmorillonite, illite, vermiculite and Allohane, etc. Kaolite is the most important mineral component of common clays. • Clay occurs universally. Man has used them since ancient times for making earthware of great variety.
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minerals of clay group
Classification of Clays
• Clays are classified in two ways: Genesis or their mode of formation and their dominant characteristics.
• All clays are classified in two ways:
• Genesis or their mode of formation and their dominant characteristics
• The Residual Clays
• The Transported Clays
The Residual Clays
Classification of Clays • The Residual Clay includes all varieties of clays that are found covering the rocks from which they are formed by natural processes. Such clays are pure in their chemical composition that is related broadly to the parent rock. China Clay is the best example of residual Clay.
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Residual Clay
. Classification of Clays The Transported Clays. • These are the most common clays spread on the earth. They are formed by the disintegration and decomposition of the pre-existing rocks by the natural agencies followed by removal and transportation of broken pieces to far off places where they are finally deposited. Hence any such deposit of transported clay will have all the particles transported from many places and different source materials. The transported clay are, therefore quite heterogeneous in mineralogical and chemical composition.