Australopithecus sediba at 1.977 Ma and implications for the origins of the genus Homo
Pickering, Robyn, Dirks, Paul H.G.M., Jinnah, Zubair, de Ruiter, Darryl J., Churchill, Steven E., Herries, Andy I.R., Woodhead, Jon D., Hellstrom, John C., and Berger, Lee R. (2011) Australopithecus sediba at 1.977 Ma and implications for the origins of the genus Homo. Science, 333 (6048). pp. 1421-1423.
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Newly exposed cave sediments at the Malapa site include a flowstone layer capping the sedimentary unit containing the Australopithecus sediba fossils. Uranium-lead dating of the flowstone, combined with paleomagnetic and stratigraphic analysis of the flowstone and underlying sediments, provides a tightly constrained date of 1.977 ± 0.002 million years ago (Ma) for these fossils. This refined dating suggests that Au. sediba from Malapa predates the earliest uncontested evidence for Homo in Africa.
|Item Type:||Article (Refereed Research - C1)|
|FoR Codes:||04 EARTH SCIENCES > 0403 Geology > 040311 Stratigraphy (incl Biostratigraphy and Sequence Stratigraphy) @ 100%|
|SEO Codes:||97 EXPANDING KNOWLEDGE > 970104 Expanding Knowledge in the Earth Sciences @ 100%|
|Deposited On:||07 Nov 2011 14:17|
|Last Modified:||17 Jun 2013 01:41|
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|Citation Counts with External Providers:||Web of Science: 27|
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