Environment and Behavior of 2.5-Million-Year-Old Bouri Hominids

Author:

Heinzelin Jean de1,Clark J. Desmond2,White Tim3,Hart William4,Renne Paul56,WoldeGabriel Giday7,Beyene Yonas8,Vrba Elisabeth9

Affiliation:

1. Jean de Heinzelin, a legend in African geology, worked at the Institut Royal des Sciences Naturelles de Belgique, Rue Vautier 29, B-1000 Bruxelles, Belgium, until his death in November 1998.

2. Department of Anthropology;

3. Laboratory for Human Evolutionary Studies, Museum of Vertebrate Zoology, and Department of Integrative Biology;

4. Department of Geology, Miami University, Oxford, OH 45056, USA.

5. Department of Geology and Geophysics, University of California at Berkeley, Berkeley, CA 94720, USA.

6. Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709, USA.

7. EES-1/MS D462, Los Alamos National Laboratory, Los Alamos, NM 87545, USA.

8. Department of Anthropology and Archaeology, Ministry of Information and Culture, Addis Ababa, Ethiopia.

9. Department of Geology and Geophysics, Yale University, New Haven, CT 06511, USA.

Abstract

The Hata Member of the Bouri Formation is defined for Pliocene sedimentary outcrops in the Middle Awash Valley, Ethiopia. The Hata Member is dated to 2.5 million years ago and has produced a new species of Australopithecus and hominid postcranial remains not currently assigned to species. Spatially associated zooarchaeological remains show that hominids acquired meat and marrow by 2.5 million years ago and that they are the near contemporary of Oldowan artifacts at nearby Gona. The combined evidence suggests that behavioral changes associated with lithic technology and enhanced carnivory may have been coincident with the emergence of the Homo clade from Australopithecus afarensis in eastern Africa.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference22 articles.

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