The raw mater i als used in the manu f acture of P ortland cementrnwere s tudied in the Wayu locality (New Mughe r). The study showedrnth. t there is lime s tone of a good quality in large aMount whichrnjustifies exploitation. The c l ay ~ate ri a l studied was fou nd ou t t ornbe de f icient in silica and neens a si l ica modulus correc t or . Conse quentlyrn, a sandstone body which is found b e neath the basalt wasrninvesti~ated and the investigation showed that there is enoughrnsan stone tha t can be used as a cor r ector . The study of the gyps umrndeposi t also revealed that sufficient amount of gypsum e x ists . Arnconclusion was reached to the effect that the installation of arncement p l ant is justifiedo