Journal
JOURNAL OF HUMAN EVOLUTION
Volume 41, Issue 6, Pages 679-688Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1006/jhev.2001.0516
Keywords
Zhoukoudian Locality 1; Homo erectus; TIMS U-series dating; Speleothem calcite
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Thermal ionization mass spectrometric Th-230/U-234 dating has been carried out on intercalated speleothem samples from the limestone cave occupied by Homo erectus at Zhoukoudian, China. The samples were recently collected in proper stratigraphic context after detailed field examinations. The results show that the age of the No. 5 Skull from Layer 3 is >400 ka, possibly in the range of about 400-500 ka, and that the hominid fossils from the lower strata are at least 600 ka and possibly >800 ka, much older than previously thought. The near-equilibrium Th-230/U-234 ratios and internal consistency of the dates and stratigraphy lend credence to the results and allow us to comment on their important implications for human evolution. (C) 2001 Academic Press.
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