الفهرس | Only 14 pages are availabe for public view |
Abstract The black sands have its traditional name “black sands” due to the concentration of the iron-titanium black minerals as well as the deep coloured silicate minerals in the sand deposit which coloured it with the black colour and its grades depending on the degree of concentration. They have a world wide spread occurrences. About a dozen countries like Australia, India, Egypt, U.S.A., Malaysia, Sierra Leone, Sri Lanka, Brazil. and South Africa has black sands contain heavy economic minerals, |