Heavy mineral residues from early and late Karoo sand stones in parts of the Zambezi basin by Geoffrey Bond, Ph.D., F.G.S and V.R.C. Stocklmayer,B.Sc. Department of Geology, University College of Rhodesia and Nyasaland, Salisbury.

The Karoo system of south and central Africa spanned the period upper carboniferous to Jurassic.The picture that is beginning to emerge of sedimentation in this period shows a very large basin of deposition south of Limpopo as described by Cooke(1950).