Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4557396 | Journal of Human Evolution | 2006 | 7 Pages |
Abstract
Paleomagnetic results obtained from the sedimentary fill at the Sima del Elefante site in Atapuerca, Spain, reveal a geomagnetic reversal, interpreted as the Matuyama-Brunhes boundary (0.78Â Ma). The uppermost lithostratigraphic units (E17 through E19), which contain Mode II and III archaeological assemblages, display normal polarity magnetization, whereas the six lowermost units (E9 through E16) yield negative latitudinal virtual geomagnetic pole positions. Units E9 through E13, all of which display reverse magnetic polarity, contain Mode I (Oldowan) lithic tools, testifying to the presence of humans in the early Pleistocene (0.78-1.77Â Ma).
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Authors
Josep M. Parés, Alfredo Pérez-González, Antonio Rosas, A. Benito, J.M. Bermúdez de Castro, E. Carbonell, R. Huguet,