P. Faure et B. Volkoff, REGIONAL SOIL ZONATION AND LITHO-GEOMORPH OLOGY ON BENIN GRANITE-GNEISS BASEMENT IN WEST-AFRICA, Comptes rendus de l'Academie des sciences. Serie II. Sciences de la terre et des planetes, 322(5), 1996, pp. 393-400
A marked regional zonation of some soil characteristics is revealed by
thematic analysis and large-scale infographic synthesis of the Benin
soil map at 1:2000,000. The regional soil differentiation appears to b
e determined by geological and geomorphological factors.