...logy transition, 2.0-1.7 million years ago (Ma), at Gona, Afar, Ethiopia. This time period is immensely important to the study of human origins and the evolution Homo (our own genus), as it marks the emergence of Homo ergaster (erectus), the likely inventor of the Acheulian technology. Specifically, our goals are to: 1) determine the timing and nature of the Oldowan-Acheulian transition at Gona, 2 ...