Laterite
Laterites are soil types rich in iron and aluminium, formed in hot and wet tropical areas. Nearly all laterites are rusty-red because of iron oxides. They develop by intensive and long-lasting weathering of the underlying parent rock. Tropical weathering (laterization) is a prolonged process of chemical weathering which produces a wide variety in the thickness, grade, chemistry and ore mineralogy of the resulting soils.
Laterites are a source of aluminium ore; the ore exists largely in clay minerals and thehydroxides, gibbsite, boehmite, and diaspore, which resembles the
Laterites are a source of aluminium ore; the ore exists largely in clay minerals and thehydroxides, gibbsite, boehmite, and diaspore, which resembles the
composition of bauxite. a major source of iron and aluminium ores. Laterite ores also were the early major source of nickel.
Composition :
Chemicals
Max. %
Loss on Ignition
12.99%
Silica as SiO2
16.57%
Iron as Fe2O3
49.90%
Alumina as Al2O3
18.00%
Titanium as TiO2
1.84%
Attributes :
• Rich in aluminium and iron
• Durable
• Thick
• Percolates rain water
• High density
• Friable
• Hard
• Physically resistant
Applications :
• Cement Industries
• Construction
• Roads
• Painting
• Bridges
• Cladding
• Rich in aluminium and iron
• Durable
• Thick
• Percolates rain water
• High density
• Friable
• Hard
• Physically resistant
Applications :
• Cement Industries
• Construction
• Roads
• Painting
• Bridges
• Cladding
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