Oligocene Termite Nests with In Situ Fungus Gardens from the Rukwa Rift Basin, Tanzania, Support a Paleogene African Origin for Insect Agriculture
Fig 1
Location and stratigraphy of the trace fossil locality, Tanzania.
(A) Location of Tanzania within Africa. (B) Digital elevation model for the study area in the southern end of the Rukwa Rift Basin (white box is shown in C). (C) Geologic map of the Songwe Valley in the southern end of the Rukwa Rift Basin, showing stratigraphy and age of fossil locality. Modified from [18]. (D) Measured section and magnetic stratigraphy through the Nsungwe Formation Type Section, with location of fossil locality shown. Modified from [18]. (E) Photograph of the nest locality in a steeply dipping cliff face along the Nsungwe River. (F, G) Sketch maps of fossil locality showing the orientation and distribution of the termite colonies 1 (RRBP-08248) and 2 (RRBP-15106), with letters corresponding to the different nest chambers in each colony.