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Laterite in Sơn Tây, Hanoi, Vietnam. Francis Buchanan-Hamilton first described and named a laterite formation in southern India in 1807. [4]: 65 He named it laterite from the Latin word later, which means a brick; this highly compacted and cemented soil can easily be cut into brick-shaped blocks for building.
Angadippuram Laterite is a notified National Geo-heritage Monument [1] [2] [3] in Angadippuram town in Malappuram district in the southern Indian state of Kerala, India.The special significance of Angadippuram to laterites is that it was here that Dr. Francis Buchanan-Hamilton, a professional surgeon, gave the first account of this rock type, in his report of 1807, as "indurated clay", ideally ...
Red laterite soils in Tamil Nadu, Andhra Pradesh and Kerala are more suitable for crops like cashew nut. The laterite soil develops in areas with high temperature and heavy rainfall. This is the result of intense leaching due to heavy rain. The name "Laterite" is derived from the Latin word "later" which means a brick. Its red colour is due to ...
Laterite and murram which contains a significant proportion of clay becomes very slippery when wet, and in the rainy season, it may be difficult even for four-wheel drive vehicles to avoid slipping off very cambered roads into the drainage ditches at the side of the road. As it dries out, such laterite can become very hard, like sun-dried bricks.
Oxisols are a soil order in USDA soil taxonomy, best known for their occurrence in tropical rain forest within 25 degrees north and south of the Equator. In the World Reference Base for Soil Resources (WRB), [1] they belong mainly to the ferralsols, but some are plinthosols or nitisols. Some oxisols have been previously classified as laterite ...
An example of lateral earth pressure overturning a retaining wall. The lateral earth pressure is the pressure that soil exerts in the horizontal direction. It is important because it affects the consolidation behavior and strength of the soil and because it is considered in the design of geotechnical engineering structures such as retaining walls, basements, tunnels, deep foundations and ...
Liberia also has medium-grade deposits of mixed hematite and magnetite. Laterite soils formed as rainfall slowly leached away silicates, a process known as laterization, leaving highly enriched medium and high-grade ores. The Mount Nimba area once had the best reserves, but almost of it has been extracted.
Laterite is a class of materials which contain significant amounts of aluminium and iron. [22] They can form clays able to hold many minerals within them. [22] The weathering of rocks by leaching and oxidising conditions results in the formation of clay-like [22] minerals such as goethite, lepidocrocite, and hematite. [22]