Figure 3
Isotopic ratios of the analysed samples. (a): 87Sr/86Sr versus Sr content; (b): CaO (wt%) content versus 87Sr/86Sr; (c): εNd versus 87Sr/86Sr. Vessel fragments are represented as full symbols, working indicators as empty symbols. Reference values for modern sea-water and aged limestone are reported in dotted lines. Typical values of primary glass from the Syro-Palestinian region and Egypt are also indicated in broken lines.