n Journal of the South African Institution of Civil Engineers - The use of Dwyka Group diamictite as crushed aggregate in Natal : technical paper




Tillite aggregate derived from the Dwyka Group in Natal is evaluated in terms of its general suitability and durability in engineering applications. Variability is shown to be related to mineralogy and geological history, particularly in terms of the diagenetic development and weathering of the rock.

Tillietaggregaat uit die Dwyka-groep in Natal word in terme van sy algemene geskiktheid en duursaamheid vir ingenieurswesetoepassings geevalueer. Veranderlikheid word gedemonstreer as synde verwant aan die mineralogie en geologiese geskiedenis, veral in terme van die diagenetiese ontwikkeling en verwering van die rotse.


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