How Is Clay Formed?
How Is Clay Formed? The gradual chemical weathering of rocks, usually silicate-bearing, by low concentrations of carbonic acid and other diluted solvents results in the...
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What Is Loam Soil?
What Is Loam Soil? Loam soil is half way between clay and sandy soils. It is the best soil for horticultural and agricultural use, containing enough clay and humus for...
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What Is Shale?
What Is Shale? Shale is a fine-grained, earthy, sedimentary rock rather like clay, but, unlike clay, it is formed in thin layers. It is usually harder than clay and...
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What Were the Earliest Building Materials Made Of?
What Were the Earliest Building Materials Made Of? The very first building materials were probably leaves, branches, and animal hides. However, these did not last very...
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What Is Clay?
Clay is a special kind of earth. It is made up of the smallest particles of rock, tinier than those in most other kinds of soil. The minerals that make up ordinary clay...
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