The geology and mineral potential of Kenya
and the volcanic piles of Mounts Kenya, Elgon and Kilimanjaro. Quaternary volcanism was mostly within the Rift Valley and has given rise to the craters and cider cones that are found in the floor of the valley Longonot, Menengai and Suswa. 5. Tertiary and Quaternary Sediments There are many deposits of sediments in various parts of Kenya.