Table 2

Pb isotope ratios of river water (< 0.45 μm) listed from upstream to downstream sample localities.

Pb isotope ratios
Sample # (Fig. 1)206Pb/204Pb207Pb/204Pb208Pb/204Pb207Pb/206Pb208Pb/206Pb
118.10815.66737.9790.865192.0974
218.16415.66438.3220.862362.1098
318.36115.63738.3270.851642.0874
517.95115.73037.8730.876272.1098
617.92615.52937.7850.866282.1078
717.55815.59937.5960.888432.1412
917.73615.55337.5260.876922.1159
1018.48115.53738.4000.840702.0778
1117.98915.58238.0970.866202.1178
1218.00815.50437.7490.860952.0962
1318.06515.94339.9920.882542.2138
1418.01015.57737.9110.864912.1050
1517.74515.95037.1350.898842.0927
1617.95115.58837.7950.868362.1055
1717.60815.54937.2200.883062.1138
1817.47315.58237.1600.891782.1267
1918.30915.67238.2880.855972.0912
2018.35315.80138.9350.960952.1215
2118.88415.91439.1540.842722.0734
2218.47615.63438.4650.846182.0819
2318.57515.50538.3330.834722.0637
2418.52515.97739.3150.862462.1223
2518.64615.59938.5410.836592.0670
2618.41715.56938.3150.845362.0804
2718.42415.61838.2960.847702.0786
2918.38215.59838.2700.848552.0819
3018.38315.61238.3100.849262.0840
3118.47515.67338.4760.848342.0826
3218.74215.65438.7430.835242.0672
3318.22515.71538.7580.860862.1266
3518.45215.86438.5690.859742.0902
3618.41315.66938.5270.850972.0924
3718.30415.79438.9370.862872.1272
3818.38315.67338.3260.852582.0849
3918.43215.74338.3900.854112.0828
4118.37815.63638.0520.850802.0705
4218.35215,64538.2810.852502.0859
4318.15415.90739.1170.876232.1547
4418.29915.78838.2070.862782.0879
4518.28015.64038.1910.855582.0892
4718.65215.69538.7290.841462.0764