Uranium series dating of travertine from archaeological sites, Nahal Zin, Israel

AT present, absolute dates of occupation can readily be determined for prehistoric sites no older than about 40,000 yr BP using conventional 14C techniques. Ages of older sites can be obtained with the K–Ar method, but only where volcanic deposits are interstratified with the archaeological deposits. The majority of Middle and Lower Palaeolithic sites contain no volcanic deposits. However, many of these sites are associated with synchronously …