African Homo erectus: old radiometric ages and young Oldowan assemblages in the Middle Awash Valley, Ethiopia.
作者： J. Clark , J de Heinzelin , K. Schick , W. Hart , T. White
关键词: Biostratigraphy 、 Paleontology 、 Homo erectus 、 Homo sapiens 、 Pleistocene 、 Acheulean 、 Geography 、 Oldowan 、 Hominidae 、 Homo heidelbergensis
摘要: Fossils and artifacts recovered from the middle Awash Valley of Ethiopia's Afar depression sample Middle Pleistocene transition Homo erectus to sapiens. Ar/Ar ages, biostratigraphy, tephrachronology this area indicate that Bodo hominid cranium newer specimens are approximately 0.6 million years old. Only Oldowan chopper flake assemblages present in lower stratigraphic units, but Acheulean bifacial consistently prevalent widespread directly overlying deposits. This technological is related a shift sedimentary regime, supporting hypothesis represent behavioral facies industrial complex.
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