oa Civil Engineering = Siviele Ingenieurswese - Prospecting for calcrete road materials in South and South West Africa



The location of calcrete deposits for use as road construction material is discussed. It is concluded that a knowledge of the fundamental factors controlling the formation and distribution of calcretes, together with the combined use of air photo interpretation, plant indicators and a certain rapid-probing device should be used in addition to the more usual techniques of auguring and pitting.


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