The Rukwa Rift Basin, located in southwestern Tanzania, is an endorheic rift basin that contains Lake Rukwa. It forms part of the East African Rift system and has produced a number of Cretaceous and Oligocene fossils.
Stratigraphy Stratigraphy of the Rukwa Rift basinTime periodGroupFormationMemberCenozoicPliocene-HoloceneLake Beds sequenceUpper MemberLower MemberUnconformityOligoceneRed Sandstone GroupNsungwe FormationSongwe MemberUtengule MemberUnconformityUnconformityMesozoicCretaceousGalula FormationNamba MemberMtuka MemberUnconformityPaleozoicLatest Carboniferous-Late PermianKaroo Supergroup
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