Research Article
Geochronology and Tectonic Evolution of the Lincang Batholith in Southwestern Yunnan, China
Table 3
U-Pb isotopic dating for the single grain Zircon from granite of Mengku.
| Analysis |
207Pb/206Pb |
207Pb/235U |
206Pb/238U |
208Pb/232Th |
207Pb/206Pb |
207Pb/235U |
206Pb/238U |
208Pb/232Th | no. | Ratio | Error (1) | Ratio | Error (1) | Ratio | Error (1) | Ratio | Error (1) | Ratio | Error (1) | Ratio | Error (1) | Ratio | Error (1) | Ratio | Error (1) |
| 1 | 0.05174 | 0.00244 | 0.32303 | 0.0139 | 0.04528 | 0.00108 | 0.01152 | 0.00053 | 274 | 56 | 284 | 11 | 285 | 7 | 232 | 11 | 2 | 0.09115 | 0.00288 | 2.96352 | 0.08448 | 0.23585 | 0.0053 | 0.08061 | 0.00287 | 1450 | 25 | 1398 | 22 | 1365 | 28 | 1567 | 54 | 3 | 0.11509 | 0.00332 | 0.50952 | 0.01225 | 0.03212 | 0.00066 | 0.02102 | 0.00068 | 1881 | 19 | 418 | 8 | 204 | 4 | 420 | 13 | 4 | 0.04837 | 0.00265 | 0.22077 | 0.01108 | 0.03312 | 0.00085 | 0.01153 | 0.00063 | 117 | 69 | 203 | 9 | 210 | 5 | 232 | 13 | 5 | 0.04837 | 0.0022 | 0.27295 | 0.01145 | 0.04095 | 0.00092 | 0.01223 | 0.0006 | 117 | 57 | 245 | 9 | 259 | 6 | 246 | 12 | 6 | 0.05351 | 0.00279 | 0.29775 | 0.01415 | 0.04038 | 0.00104 | 0.01371 | 0.00078 | 350 | 62 | 265 | 11 | 255 | 6 | 275 | 16 | 7 | 0.0806 | 0.00218 | 2.27431 | 0.05585 | 0.2048 | 0.00394 | 0.05968 | 0.00155 | 1212 | 22 | 1204 | 17 | 1201 | 21 | 1172 | 30 | 8 | 0.0802 | 0.00341 | 2.36577 | 0.09085 | 0.2141 | 0.00577 | 0.05352 | 0.00277 | 1202 | 37 | 1232 | 27 | 1251 | 31 | 1054 | 53 | 9 | 0.05928 | 0.00248 | 0.29959 | 0.01132 | 0.03668 | 0.00082 | 0.00966 | 0.00046 | 577 | 45 | 266 | 9 | 232 | 5 | 194 | 9 | 10 | 0.04989 | 0.00375 | 0.23793 | 0.0163 | 0.03461 | 0.00119 | 0.00907 | 0.00072 | 190 | 96 | 217 | 13 | 219 | 7 | 182 | 14 | 11 | 0.07866 | 0.00333 | 0.34683 | 0.01279 | 0.032 | 0.00079 | 0.01233 | 0.00063 | 1164 | 37 | 302 | 10 | 203 | 5 | 248 | 13 | 12 | 0.0406 | 0.00217 | 0.22437 | 0.01119 | 0.04011 | 0.00095 | 0.01052 | 0.00055 | ā255 | 72 | 206 | 9 | 254 | 6 | 212 | 11 | 13 | 0.0639 | 0.00299 | 0.31538 | 0.01317 | 0.03582 | 0.00089 | 0.01126 | 0.00067 | 738 | 48 | 278 | 10 | 227 | 6 | 226 | 13 | 14 | 0.07481 | 0.00441 | 0.3517 | 0.01817 | 0.03412 | 0.00108 | 0.01178 | 0.00078 | 1063 | 56 | 306 | 14 | 216 | 7 | 237 | 16 | 15 | 0.06821 | 0.00263 | 0.97745 | 0.03376 | 0.10399 | 0.00236 | 0.03233 | 0.00106 | 875 | 37 | 692 | 17 | 638 | 14 | 643 | 21 | 16 | 0.05116 | 0.00255 | 0.26673 | 0.01227 | 0.03784 | 0.00088 | 0.01057 | 0.00052 | 248 | 64 | 240 | 10 | 239 | 5 | 213 | 10 | 17 | 0.05025 | 0.00304 | 0.25181 | 0.01395 | 0.03636 | 0.00102 | 0.01037 | 0.00064 | 207 | 77 | 228 | 11 | 230 | 6 | 209 | 13 | 18 | 0.05379 | 0.003 | 0.27018 | 0.01369 | 0.03645 | 0.00098 | 0.00965 | 0.0006 | 362 | 67 | 243 | 11 | 231 | 6 | 194 | 12 | 19 | 0.05083 | 0.00373 | 0.26778 | 0.01802 | 0.03823 | 0.00125 | 0.00987 | 0.00055 | 233 | 96 | 241 | 14 | 242 | 8 | 199 | 11 | 20 | 0.06022 | 0.00487 | 0.2998 | 0.0217 | 0.03612 | 0.00142 | 0.01137 | 0.00113 | 611 | 90 | 266 | 17 | 229 | 9 | 229 | 23 | 21 | 0.0473 | 0.00214 | 0.20932 | 0.0087 | 0.0321 | 0.0007 | 0.00892 | 0.00038 | 64 | 55 | 193 | 7 | 204 | 4 | 179 | 8 | 22 | 0.05405 | 0.00334 | 0.28442 | 0.01602 | 0.03817 | 0.00111 | 0.00858 | 0.0006 | 373 | 75 | 254 | 13 | 241 | 7 | 173 | 12 | 23 | 0.05907 | 0.0024 | 0.66212 | 0.02439 | 0.08128 | 0.00181 | 0.03438 | 0.00121 | 570 | 43 | 516 | 15 | 504 | 11 | 683 | 24 | 24 | 0.05064 | 0.00245 | 0.21459 | 0.00944 | 0.03072 | 0.00072 | 0.00797 | 0.00046 | 224 | 59 | 197 | 8 | 195 | 5 | 160 | 9 | 25 | 0.05594 | 0.00261 | 0.26352 | 0.01113 | 0.03415 | 0.0008 | 0.00964 | 0.00045 | 450 | 53 | 237 | 9 | 216 | 5 | 194 | 9 | 26 | 0.06769 | 0.00524 | 0.32217 | 0.02212 | 0.0345 | 0.00134 | 0.01049 | 0.0009 | 859 | 80 | 284 | 17 | 219 | 8 | 211 | 18 | 27 | 0.06354 | 0.00206 | 0.75553 | 0.02205 | 0.08618 | 0.00166 | 0.02056 | 0.00084 | 726 | 32 | 571 | 13 | 533 | 10 | 411 | 17 | 28 | 0.05014 | 0.00296 | 0.33191 | 0.01801 | 0.04797 | 0.00129 | 0.02068 | 0.0011 | 201 | 77 | 291 | 14 | 302 | 8 | 414 | 22 | 29 | 0.23782 | 0.00377 | 6.55914 | 0.08439 | 0.19984 | 0.00325 | 0.01824 | 0.00075 | 3105 | 12 | 2054 | 11 | 1174 | 17 | 365 | 15 |
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