An ESR dating study oil teeth collected from layers 3, 6/7 and 10 at L
ocality 1, Zhoukoudian provides results that are in general agreement
with an earlier multi-dating study and confirm an age range of 300-550
ka for the Homo erectus remains in the Peking Man Cave. Uncertainties
due to U-uptake and the external gamma dose rates do not allow very p
recise age estimates for the respective layers. (C) 1997 Academic Pres
s Limited.