测点号 | 含量ppm | 比值 | 年龄Ma | |||||||||||||
Pb | Th | U | Th/U | 207Pb/235U | 206Pb/238U | 208Pb/232Th | 207Pb/235U | 207Pb/235U | 206Pb/238U | 206Pb/238U | 208Pb/232Th | 208Pb/232Th | ||||
ZSE-1 | 161.81 | 3228.49 | 2303.31 | 1.40 | 0.3003 | 0.0065 | 0.0408 | 0.0005 | 0.0142 | 0.0003 | 267 | 5 | 258 | 3 | 285 | 6 |
ZSE-2 | 294.30 | 8002.86 | 3910.11 | 2.05 | 0.2814 | 0.0082 | 0.0405 | 0.0011 | 0.0125 | 0.0009 | 252 | 7 | 256 | 7 | 252 | 18 |
ZSE-3 | 226.91 | 6049.41 | 3138.22 | 1.93 | 0.2825 | 0.0073 | 0.0384 | 0.0007 | 0.0111 | 0.0007 | 253 | 6 | 243 | 4 | 223 | 14 |
ZSE-4 | 400.92 | 12489.73 | 4423.34 | 2.82 | 0.2740 | 0.0043 | 0.0380 | 0.0004 | 0.0120 | 0.0006 | 246 | 3 | 240 | 2 | 240 | 11 |
ZSE-5 | 333.20 | 9453.77 | 3773.95 | 2.51 | 0.2765 | 0.0067 | 0.0396 | 0.0008 | 0.0134 | 0.0005 | 248 | 5 | 250 | 5 | 270 | 9 |
ZSE-6 | 68.72 | 578.94 | 1283.92 | 0.45 | 0.2875 | 0.0107 | 0.0403 | 0.0013 | 0.0112 | 0.0004 | 257 | 8 | 255 | 8 | 226 | 9 |
ZSE-7 | 432.62 | 5449.16 | 7432.32 | 0.73 | 0.2976 | 0.0118 | 0.0402 | 0.0013 | 0.0127 | 0.0005 | 265 | 9 | 254 | 8 | 254 | 9 |
ZSE-8 | 15.32 | 144.18 | 303.84 | 0.47 | 0.2815 | 0.0139 | 0.0367 | 0.0012 | 0.0122 | 0.0005 | 252 | 11 | 233 | 8 | 246 | 11 |
ZSE-9 | 31.98 | 301.23 | 568.29 | 0.53 | 0.2966 | 0.0128 | 0.0423 | 0.0014 | 0.0132 | 0.0006 | 264 | 10 | 267 | 9 | 265 | 11 |
ZSE-10 | 27.97 | 294.85 | 481.21 | 0.61 | 0.3081 | 0.0138 | 0.0411 | 0.0013 | 0.0125 | 0.0007 | 273 | 11 | 259 | 8 | 251 | 13 |
ZSE-11 | 13.78 | 131.73 | 235.16 | 0.56 | 0.2955 | 0.0153 | 0.0418 | 0.0014 | 0.0128 | 0.0007 | 263 | 12 | 264 | 9 | 257 | 13 |
ZSE-12 | 11.88 | 133.82 | 220.81 | 0.61 | 0.2854 | 0.0218 | 0.0370 | 0.0013 | 0.0124 | 0.0006 | 255 | 17 | 234 | 8 | 249 | 12 |
ZSE-13 | 14.98 | 177.90 | 289.18 | 0.62 | 0.2763 | 0.0258 | 0.0364 | 0.0013 | 0.0113 | 0.0005 | 248 | 21 | 230 | 8 | 226 | 11 |
ZSE-14 | 34.06 | 165.65 | 185.92 | 0.89 | 1.0135 | 0.0277 | 0.1186 | 0.0014 | 0.0317 | 0.0021 | 711 | 14 | 722 | 8 | 631 | 41 |
ZSE-15 | 115.46 | 647.09 | 1007.75 | 0.64 | 0.6435 | 0.0211 | 0.0857 | 0.0014 | 0.0247 | 0.0012 | 504 | 13 | 530 | 8 | 494 | 23 |
ZSE-16 | 94.17 | 370.23 | 1102.31 | 0.34 | 0.7136 | 0.0470 | 0.0849 | 0.0020 | 0.0275 | 0.0032 | 547 | 28 | 525 | 12 | 549 | 63 |
ZSE-17 | 46.64 | 144.61 | 266.26 | 0.54 | 1.2838 | 0.0338 | 0.1412 | 0.0021 | 0.0436 | 0.0014 | 839 | 15 | 852 | 12 | 862 | 27 |
ZSE-18 | 1167.07 | 34484.65 | 12497.5 | 2.76 | 0.3011 | 0.0045 | 0.0390 | 0.0004 | 0.0121 | 0.0004 | 267 | 4 | 246 | 2 | 243 | 7 |
ZSE-19 | 16.32 | 132.93 | 265.36 | 0.50 | 0.3099 | 0.0151 | 0.0438 | 0.0014 | 0.0134 | 0.0008 | 274 | 12 | 276 | 9 | 269 | 15 |
ZSE-20 | 14.93 | 147.57 | 259.71 | 0.57 | 0.3127 | 0.0163 | 0.0413 | 0.0014 | 0.0147 | 0.0008 | 276 | 13 | 261 | 9 | 296 | 16 |