序号 | Th ppm | U ppm | Th/U | 207Pb /235U | 1σ | 206Pb /238U | 1σ | 208Pb /232Th | 1σ | 207Pb/235U Age (Ma) | 1σ | 206Pb/238U Age (Ma) | 1σ | 208Pb/232Th Age (Ma) | 1σ | 谐和度 |
DD004-01 | 210 | 1415 | 0.15 | 0.1531 | 0.0079 | 0.0224 | 0.0007 | 0.0072 | 0.0004 | 145 | 6.9 | 143 | 4.2 | 144 | 8.2 | 98% |
DD004-02 | 5664 | 17241 | 0.33 | 0.1422 | 0.0057 | 0.0198 | 0.0006 | 0.0065 | 0.0002 | 135 | 5.1 | 126 | 3.7 | 132 | 4.9 | 93% |
DD004-03 | 1126 | 10201 | 0.11 | 0.1445 | 0.0057 | 0.0209 | 0.0006 | 0.0083 | 0.0003 | 137 | 5.1 | 134 | 3.7 | 166 | 6.5 | 97% |
DD004-04 | 219 | 3222 | 0.07 | 0.1450 | 0.0063 | 0.0205 | 0.0006 | 0.0067 | 0.0003 | 137 | 5.6 | 131 | 3.8 | 136 | 6.9 | 95% |
DD004-05 | 457 | 793 | 0.58 | 0.1547 | 0.0087 | 0.0217 | 0.0006 | 0.0081 | 0.0004 | 146 | 7.7 | 139 | 4.1 | 163 | 7.2 | 94% |
DD004-06 | 498 | 4371 | 0.11 | 0.1503 | 0.0069 | 0.0212 | 0.0006 | 0.0084 | 0.0004 | 142 | 6.1 | 135 | 3.9 | 169 | 7.3 | 94% |
DD004-07 | 1398 | 3848 | 0.36 | 0.1633 | 0.0075 | 0.0193 | 0.0006 | 0.0071 | 0.0003 | 154 | 6.6 | 123 | 3.5 | 142 | 6.2 | 78% |
DD004-08 | 609 | 1008 | 0.60 | 0.1506 | 0.0074 | 0.0206 | 0.0006 | 0.0057 | 0.0002 | 142 | 6.5 | 132 | 3.7 | 116 | 4.6 | 92% |
DD004-09 | 613 | 2631 | 0.23 | 0.1380 | 0.0062 | 0.0185 | 0.0005 | 0.0064 | 0.0003 | 131 | 5.5 | 118 | 3.3 | 129 | 5.4 | 89% |
DD004-10 | 969 | 4000 | 0.24 | 0.1423 | 0.0063 | 0.0197 | 0.0006 | 0.0065 | 0.0003 | 135 | 5.6 | 125 | 3.6 | 131 | 5.8 | 92% |
DD004-11 | 1544 | 2829 | 0.55 | 0.1303 | 0.0058 | 0.0186 | 0.0005 | 0.0059 | 0.0003 | 124 | 5.2 | 119 | 3.3 | 118 | 5.0 | 95% |
DD004-12 | 2522 | 1348 | 1.87 | 0.2258 | 0.0105 | 0.0217 | 0.0006 | 0.0071 | 0.0003 | 207 | 8.7 | 138 | 4.0 | 142 | 6.0 | 60% |
DD004-13 | 1253 | 747 | 1.68 | 0.1346 | 0.0070 | 0.0200 | 0.0006 | 0.0061 | 0.0003 | 128 | 6.2 | 128 | 3.7 | 122 | 5.1 | 99% |
DD004-14 | 186 | 555 | 0.34 | 0.1363 | 0.0077 | 0.0192 | 0.0006 | 0.0068 | 0.0003 | 130 | 6.9 | 123 | 3.6 | 136 | 6.4 | 94% |
DD004-15 | 1836 | 1517 | 1.21 | 0.1229 | 0.0066 | 0.0188 | 0.0006 | 0.0058 | 0.0003 | 118 | 5.9 | 120 | 3.5 | 117 | 5.3 | 97% |
DD004-16 | 4136 | 961 | 4.30 | 0.1345 | 0.0070 | 0.0199 | 0.0006 | 0.0057 | 0.0002 | 128 | 6.2 | 127 | 3.7 | 114 | 4.9 | 98% |
DD004-17 | 1051 | 4465 | 0.24 | 0.1207 | 0.0053 | 0.0185 | 0.0005 | 0.0060 | 0.0002 | 116 | 4.8 | 118 | 3.3 | 121 | 5.0 | 97% |
DD004-18 | 1456 | 3807 | 0.38 | 0.1556 | 0.0069 | 0.0205 | 0.0006 | 0.0069 | 0.0003 | 147 | 6.0 | 131 | 3.7 | 139 | 6.0 | 88% |
DD004-19 | 778 | 5390 | 0.14 | 0.1230 | 0.0053 | 0.0187 | 0.0005 | 0.0058 | 0.0002 | 118 | 4.8 | 119 | 3.3 | 117 | 4.7 | 98% |