|   样号  |       同位素比值  |       年龄/Ma  |    ||||||||||
|   207Pb/206Pb  |       207Pb/235U  |       206Pb/238U  |       207Pb/206Pb  |       207Pb/235U  |       206Pb/238U  |    |||||||
|   比值  |       1σ  |       比值  |       1σ  |       比值  |       1σ  |       年龄  |       1σ  |       年龄  |       1σ  |       年龄  |       1σ  |    |
|   PL        |       0.11108  |       0.00119  |       5.28724  |       0.06683  |       0.34528  |       0.00434  |       1817  |       20  |       1867  |       11  |       1912  |       21  |    
|   PL        |       0.15944  |       0.0018  |       10.44474  |       0.13701  |       0.47512  |       0.00608  |       2450  |       20  |       2475  |       12  |       2506  |       27  |    
|   PL        |       0.15896  |       0.00195  |       10.37593  |       0.14345  |       0.47344  |       0.00604  |       2445  |       21  |       2469  |       13  |       2499  |       26  |    
|   PL        |       0.11001  |       0.00123  |       5.091  |       0.06609  |       0.33567  |       0.0042  |       1800  |       21  |       1835  |       11  |       1866  |       20  |    
|   PL        |       0.11114  |       0.00135  |       5.37376  |       0.07475  |       0.35038  |       0.00486  |       1818  |       23  |       1881  |       12  |       1936  |       23  |    
|   PL        |       0.10918  |       0.00129  |       5.1043  |       0.06844  |       0.33911  |       0.00428  |       1786  |       22  |       1837  |       11  |       1882  |       21  |    
|   PL        |       0.15757  |       0.00241  |       10.28351  |       0.16646  |       0.47359  |       0.00608  |       2430  |       27  |       2461  |       15  |       2499  |       27  |    
|   PL        |       0.15626  |       0.0018  |       10.17408  |       0.13416  |       0.47237  |       0.00598  |       2416  |       20  |       2451  |       12  |       2494  |       26  |    
|   PL        |       0.15819  |       0.0025  |       10.26739  |       0.17037  |       0.47108  |       0.00628  |       2436  |       27  |       2459  |       15  |       2488  |       28  |    
|   PL        |       0.1585  |       0.0042  |       10.61411  |       0.27534  |       0.48593  |       0.0085  |       2440  |       46  |       2490  |       24  |       2553  |       37  |    
|   PL        |       0.11708  |       0.00161  |       5.29921  |       0.0799  |       0.32833  |       0.0043  |       1912  |       25  |       1869  |       13  |       1830  |       21  |    
|   PL        |       0.15537  |       0.00316  |       10.26257  |       0.214  |       0.47937  |       0.00673  |       2406  |       35  |       2459  |       19  |       2525  |       29  |    
|   PL        |       0.10761  |       0.00172  |       5.02864  |       0.08521  |       0.33925  |       0.00455  |       1759  |       30  |       1824  |       14  |       1883  |       22  |    
|   PL        |       0.10834  |       0.00172  |       4.99373  |       0.08397  |       0.33476  |       0.00445  |       1772  |       30  |       1818  |       14  |       1861  |       21  |    
|   PL        |       0.1631  |       0.00285  |       10.6185  |       0.18774  |       0.47253  |       0.00657  |       2488  |       30  |       2490  |       16  |       2495  |       29  |    
|   PL        |       0.10742  |       0.00137  |       4.7945  |       0.0666  |       0.324  |       0.00404  |       1756  |       24  |       1784  |       12  |       1809  |       20  |    
|   PL        |       0.1089  |       0.00138  |       5.01901  |       0.06893  |       0.33457  |       0.00414  |       1781  |       24  |       1823  |       12  |       1860  |       20  |    
|   PL        |       0.1553  |       0.00216  |       10.64016  |       0.1567  |       0.49738  |       0.00653  |       2405  |       24  |       2492  |       14  |       2603  |       28  |    
|   PL        |       0.15011  |       0.00216  |       9.62052  |       0.14551  |       0.4653  |       0.00592  |       2347  |       25  |       2399  |       14  |       2463  |       26  |    
|   PL        |       0.16014  |       0.00247  |       10.69118  |       0.16958  |       0.48462  |       0.00627  |       2457  |       27  |       2497  |       15  |       2547  |       27  |    
|   PL        |       0.15834  |       0.00239  |       10.71409  |       0.1673  |       0.49111  |       0.00643  |       2438  |       26  |       2499  |       15  |       2575  |       28  |    
|   PL        |       0.10778  |       0.00196  |       5.17108  |       0.09432  |       0.3483  |       0.00464  |       1762  |       34  |       1848  |       16  |       1926  |       22  |    
|   PL        |       0.11368  |       0.00143  |       5.0991  |       0.06886  |       0.32549  |       0.00404  |       1859  |       23  |       1836  |       11  |       1816  |       20  |    
|   PL        |       0.10477  |       0.00201  |       4.9887  |       0.09479  |       0.34559  |       0.00466  |       1710  |       36  |       1817  |       16  |       1914  |       22  |    
|   PL        |       0.15647  |       0.00306  |       10.67855  |       0.20625  |       0.49527  |       0.00703  |       2418  |       34  |       2496  |       18  |       2593  |       30  |    
|   PL        |       0.18876  |       0.00454  |       14.83054  |       0.34403  |       0.56991  |       0.00863  |       2731  |       41  |       2804  |       22  |       2907  |       35  |    
|   PL        |       0.18023  |       0.00352  |       14.00801  |       0.2693  |       0.56402  |       0.00787  |       2655  |       33  |       2750  |       18  |       2883  |       32  |