Abstract
There are perennial problems in the investigation of laterite. (i) The development of an acceptable terminology to describe the forms and processes associated with laterite genesis. Some workers consider that the use of the term laterite should be discontinued, because of its genetic connotations and the uncritical application of the term to a wide variety of materials. The terms ferricrete or lateritic duricrust are sometimes preferred. (ii) Identifying and classifying lateritic materials. (iii) The mode of formation of the laterite; by in situ weathering, relative or absolute accumulation or by continual weathering and erosion of a long exposed landscape. The relationships of laterite to zones of mottled and bleached bedrock and sediment are critical. (iv) Determining the age of the laterite and the weathering processes responsible for its formation and its relationship to the age of the surface on which it rests. Critical investigations include determining the age of the underlying materials, the age o...
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