Alterations in Chemical Composition during the Progressive Weathering of Dwyka Tillite and Dolerite in ' Natal


Description of Materials Soil profiles developed from Dwyka tillite consist of a fine sandy loam overlying a gravel and rubble layer and succeeded by a zone of clay illuviation. Below this, the disintergrating tillite may proceed to depths of two hundred feet under favourable circumstances. This material in its most weathered aspect consists of a "soapy… (More)


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