The East Africa Oligocene intertrappean beds: Regional distribution, depositional environments and Afro/Arabian mammal dispersals
The extensive outpouring of the Oligocene Trap basalts over eastern Africa and western
Arabia was interrupted by a period of quiescence marked by the deposition of terrestrial
sediments. These so-called intertrappean beds are often lignitiferous and yield recurrent
floras and faunas, sometimes represented by endemic mammals. We intended to highlight
the peculiar features of these sedimentary intercalations using a large-scale approach
including eastern Africa and the western Arabian peninsula. Starting from a new mapping in …
Arabia was interrupted by a period of quiescence marked by the deposition of terrestrial
sediments. These so-called intertrappean beds are often lignitiferous and yield recurrent
floras and faunas, sometimes represented by endemic mammals. We intended to highlight
the peculiar features of these sedimentary intercalations using a large-scale approach
including eastern Africa and the western Arabian peninsula. Starting from a new mapping in …
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