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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Chronologic constraints on hominin dispersal outside Africa since 2.48 Ma from the Zarqa Valley, Jordan
Quaternary Science Reviews, Volume 219, Year 2019
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Description
Recent discoveries constrain the presence of hominins in North Africa since ca. 2.4 Ma and in China since ca. 2.1 Ma, providing a new temporal framework for the earliest migration out of Africa. No Paleolithic sites of such age exist in the Levant, the natural corridor between Africa and Asia. The Dawqara Formation in the Zarqa Valley, Jordan, has been known since the early 1980s because of the presence of artifacts at different stratigraphic levels within its fluvial sediments, consisting of choppers, cores, and flakes. Although most of the artifacts display signs of transport, they bear unambiguous evidence of manufacture, and document hominin presence in the Zarqa Valley during the deposition of Dawqara Formation. Based on integrated chronology provided by paleomagnetic, 40Ar/39Ar, and U-Pb dating methods, our study shows that the Dawqara Formation was deposited between 2.52 ± 0.01 Ma and the Matuyama–Olduvai geomagnetic reversal (1.95 Ma). By linear interpolation, the artifact-bearing stratigraphic levels within the Dawqara Formation have ages of ca. 2.48 Ma, 2.24 Ma, 2.16 Ma, 2.06 Ma, and 1.95 Ma, respectively, possibly documenting continuous hominin presence in the Zarqa Valley. These new ages for the Dawqara assemblage constrain the earliest hominin dispersal out of Africa to the beginning of the Pleistocene, and pre-date by ca. 300 kyr the hominin occupation of Chinese Loess Plateau. © 2019 Elsevier Ltd
Authors & Co-Authors
Gerdes, A. G.
Germany, Frankfurt am Main
Goethe-universität Frankfurt am Main
Araujo, Astolfo G.M.
Brazil, Sao Paulo
Universidade de São Paulo
Neves, Walter Alves
Brazil, Sao Jose Dos Campos
Comando Geral de Tecnologia Aeroespacial
Statistics
Citations: 28
Authors: 3
Affiliations: 7
Identifiers
Doi:
10.1016/j.quascirev.2019.06.007
ISSN:
02773791
Study Locations
Multi-countries