Populations at Olorgesailiein Southern Kenya undergo technological improvements in tool making and engage in long-distance trade. (1 gen 320000 anni a. C. – 1 gen 305000 anni a. C.)
Descrizione:
Brooks AS, Yellen JE, Potts R, Behrensmeyer AK, Deino AL, Leslie DE, Ambrose SH, Ferguson JR, d'Errico F, Zipkin AM, Whittaker S, Post J, Veatch EG, Foecke K, Clark JB (2018). "Long-distance stone transport and pigment use in the earliest Middle Stone Age". Science. doi:10.1126/science.aao2646.Aggiunto al nastro di tempo:
Data:
1 gen 320000 anni a. C.
1 gen 305000 anni a. C.
~ 15009 years