A detailed geologic mapping of clay deposits in the Patti Formation around the Ahoko area in Kogi State (north-central Nigeria) was carried out on a scale of 1:12,500. The study area lies within the Lokoja Sub-basin of the Bida Basin between longitudes 60 51l and 60 53l E and latitudes 80 18l and 80 19l N covering a total land area of about 6.85km2 of the Koton-Karfi N-E...
