Journal
QUATERNARY GEOCHRONOLOGY
Volume 10, Issue -, Pages 380-386Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.quageo.2012.04.014
Keywords
TT-OSL dating; Hanzhong Basin; Paleolithic site; Loess; Environmental change
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Thermally transferred optically stimulated luminescence (TT-OSL) dating extends the age range beyond current limits of OSL dating in Chinese loess. In this study, we use a single-aliquot regenerative-dose procedure for TT-OSL protocol to date Yaochangwan and Hejialiang localities of loess-covered Liangshan Paleolithic sites in Hanzhong Basin, which is an important area for the study of Paleolithic industries during the middle Pleistocene in central China. The results suggest that buried culture layer at the Hejialiang locality is correlated with the last interglacial paleosol S1 in Chinese Loess Plateau, it is dated at 86.3 +/- 6.4 ka. The Yaochangwan locality spans from approximate 600-100 ka and correlates with S5-S1 in the typical Chinese loess-paleosol sequences, respectively. These ages suggest that hominins already occupied the Hanzhong Basin since approximately 600 ka ago. (C) 2012 Elsevier B.V. All rights reserved.
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