Financial support for field work and thin-section preparation,which are parts of the Ph.D. thesis of the author,was provided by the Shell Professorial Chair in Geology,University of Nigeria,Nsukka under Late Umeji A.C.
Petrological and geochemical studies on some volcanic and sub-volcanic rocks from the Lower Benue rift indicate that they are basalts, basaltic and doleritic sills, trachybasalt and trachyte which generally belong to ...