Abstract: Five accelerator-mass spectrometry radiocarbon dates of bone samples collected from Upper Cave, Zhoukoudian are given in this paper. Instead of collagen, amino acid was extracted from the bone for dating purpose. The measurements were carried out at the AMS facility of Oxford University. 10 ka and 20-23 ka of ages are suggested for the upper and lower limits of the Palaeolithic Culture of Upper Cave, respectively.

Key words: Upper Cave of Zhoukoudian; Palaeolithic chronology; Accelerator radiocarbon dating