Phase 1, from 13,000 BCE to around 10,000 BCE, associated with a short, humid climatic period, superseded by a drier climatic period Phase 2, from around 7-8,000 BCE, the climate became very humid Phase 3, from around 6,000 BCE Phase 4, from around 4-5,000 BCE, with unevenly drier climate Phase 5, from around 3,000 BCE, the climate was much drier than now. During this last period Eburran tools are also found with ceramics and livestock. It is part of the Pastoral Neolithic in Africa.