1. Ademibawa, A.T., 1999. Geotechnical Compositions of Bentonitic Clays from Pindiga, North eastern Nigeria; B.Sc. thesis, Dept. of Geology, University of Ibadan, Ibadan.
2. Geotechnical properties as an aid to the assessment and identification of industrial clays;Alabo;Nigerian Journal of Mining and Geology,1989
3. Potentials of the Solid Minerals Industry in Nigeria;Aliyu,1998
4. Drilling Fluids Processing Handbook, ASME shale shaker Committee;American Society of Mechanical Engineers (ASME),2005
5. Ethology and placeo–environmental significant of trace fossils from cenomanian–Turonian sediments in the upper Benue Trough, Nigeria;Ayonma;Nigerian Journal of Mining and Geology,1983