Fig. 7

Plots of lead isotope ratios of the Baidian and Xincun slags, a 207Pb/204Pb versus 206Pb/204Pb; b 208Pb/204Pb versus 206Pb/204Pb

Plots of lead isotope ratios of the Baidian and Xincun slags, a 207Pb/204Pb versus 206Pb/204Pb; b 208Pb/204Pb versus 206Pb/204Pb