Studies in Comparative Seismology: East African Plateaus and Rift Valleys

Albert rift valley Albert trough altitude appears arch asthenolith basin block coast coastal compression Congo continental continuous Cretaceous crust depression depth displacement downwarp East Africa eastern effect elevation erosion eruptions extends fault feet flexure Fufu geologic gneiss graben granite gravity Gregory Rift Gregory Rift Valley height highland hills horizontal inselbergs Iringa Kigoma Kilombero Krenkel Kungwe Lake Albert Lake Edward Lake Kivu Lake Nyasa Lake Tanganyika Lake Victoria latter lava magma Malagarasi margin mass meters miles Miocene Mount mountain movements Nile northeastern northern northwest observed occur peneplain plain planes plateau Pre-Cambrian pressure region residual ridge rise river rock Ruaha Rukwa trough Ruvu Ruwenzori saprolite scarp schists sediments Semliki shear shore side slope southeast southern southwest steep streams stresses structure subsidence Suess summit surface Tanganyika plateau Tanganyika trough tension Tertiary tilted uplift upthrust upwarp vertical volcanic warped western zone