期刊
QUATERNARY INTERNATIONAL
卷 202, 期 -, 页码 14-28出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.quaint.2008.05.017
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Fossils of early Homo and Paranthropus have been recovered from several sites in southern Africa. Unfortunately, their precise age has historically been difficult to assess, hampering the reconstruction of their relationships to each other and to fossils from eastern Africa. Multi-dating strategies combining biochronological, archaeological, palaeomagnetic, electron spin resonance (ESR) and uranium series techniques are now clarifying their age. The following sequencing of sites is suggested: Swartkrans Member I (similar to 2.0 Ma), Gondolin (similar to 1.8 Ma), Kromdraai (1.8-1.7 Ma), Sterkfontein M5A (1.8-1.4 Ma), Swartkrans M2 (1.7-1.1 Ma), Sterkfontein M5B (1.4-1.1 Ma), Sterkfontein M5C (1.3-0.8 Ma), Swartkrans M3 (similar to 1.0-0.6 Ma). The position of Coopers D and Drimolen is difficult to access because they only have faunal age ranges (1.9-1.6 Ma). ESR suggests mixing is a potential major problem in multi-generational sites. The oldest southern African representatives of early Homo and Paranthropus occur around 2.1-1.9 Ma in Swartkrans Member 1 and are recorded almost continuously in the palaeocave deposits until around 1.0-0.6 Ma in Swartkrans Member 3. Currently, these data suggest that Paranthropus and Homo first occur significantly later in the southern African record than the eastern African record. Moreover, Paranthropus persists much later in southern Africa than in eastern Africa. (C) 2008 Elsevier Ltd and INQUA. All rights reserved.
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