The Middle awash study area covers 5,000 kilometers, with recent alluvium and/or volcanics covering more than 80% of that area.
ðə mˈɪdəl ɐwˈɑːʃ stˈʌdi ˈɛɹiə kˈʌvɚz fˈaɪv,zˈiəɹoʊzˈiəɹoʊ zˈiəɹoʊ kɪlˈɑːmɪɾɚz, wɪð ɹˈiːsənt ɐlˈuːviəm ænd slˈæʃ ɔːɹ vɑːlkˈænɪks kˈʌvɚɹɪŋ mˈoːɹ ðɐn ˈeɪɾi pɚsˈɛnt ʌv ðæt ˈɛɹiə.