Conference Proceedings: Geology for Development Within a Sustainable Environment

acid activity amphibolite analysis anomalies aquifer basalts beach Beds belt biotite Bufumbira caldera carbonatite chargeability chlorite clay clinopyroxene composition correlation Cretaceous crust crustal Dahomeyan deposits depth earthquakes East Africa erosion escarpment faults Figure flow formation geochemical Geol Geological geophysical geothermal Ghana gneisses grains granites groundwater ijolites illite indicate isotopic kaolinite Karoo Kenya Kenya Rift Kilembe km/s KRISP Lake Lake Naivasha lava layers lithology lithosphere located mafic magmas magnetic Menengai metamorphism mineralisation minerals Miocene Nairobi nepheline Nile occur olivine peat phase Precambrian Project pyrrhotite quartz recharge region rhyolites rift basin rift system Rift Valley rocks samples sands sandstones schists sedimentary sediments seismic energy release siltstone smectite soils stress structures study area sub-basin sulphide surface Survey Table Tanzania tectonic Tertiary thickness tion trachytes trend Uganda uplift values variations velocities vitrinite volcanic western zone