sˌɛdɪmˈɛntɚɹi lˈeɪɚz ɪn ˌiːθɪˈoʊpiəz ɐfˈɑːɹ dᵻpɹˈɛʃənz mˈɪdəl ɐwˈɑːʃ ɹᵻsˈɜːtʃ ˈɛɹiə hæv ɹᵻvˈiːld vˈɜːɾɪbɹˌeɪt fˈɑːsəlz, ɪŋklˈuːdɪŋ ðə wˈɜːldz ˈoʊldɪst hˈɑːmɪnˌɪdz.
Sedimentary layers in Ethiopia's Afar depression's Middle Awash research area have revealed vertebrate fossils, including the world's oldest hominids.