|
Guinea | |
| Feret, F., Authier-Martin, M., & Sajo, I. (1997). Quantitative phase analysis of Bidi-Koum bauxites (Guinea). Clays and clay minerals, 45(3), 418-427. |
|
Mauritania | |
| Matton, J. & Jebrak, M. (2014) The ‘‘eye of Africa’’ (Richat dome, Mauritania): An isolated Cretaceous alkaline–hydrothermal complex. Journal of African Earth Sciences 97, 109-124. |
| Guillaumen Matton (2008) Le Complexe Crétacé Du Rlchat (Mauritanie) Un Processus Alcalin Péri-Atlantiqu. PhD Thesis University of Montreal. |
|
Nigeria | |
| Kievlenko, Eugenii Ya., Soregaroli, A. - Ed. (2003) Geology of Gems - First English Edition. Ocean Pictures Ltd, Littleton, Colorado. p.1-468. |
| Kogi Iron Limited |
|
Togo | |
| AMBASE EXPLORATION (TOGO) LTD: PAGALA EXPLORATION LICENCE-CENTRAL REGION, TOGO / FINAL REPORT MARCH 2001 TO JUNE 2002.- 24 pages |