湘南新田岭矽卡岩型白钨矿床中石榴子石的成分特征及其对钨成矿作用的启示
|
李博,邹少浩,许德如,陈喜连,王雪娜,王华
|
Composition Characteristics of Garnet in Xintianling Skarn-type Scheelite Deposit,South Hunan Province and Its Implications for the Tungsten Mineralization
|
Bo LI,Shaohao ZOU,Deru XU,Xilian CHEN,Xuena WANG,Hua WANG
|
|
表4 新田岭矿床石榴子石LA-ICP-MS U-Pb定年分析结果
|
Table 4 LA-ICP-MS U-Pb dating results of garnet in Xintianling deposit
|
|
测试点位 | w(Pb)/(×10-6) | w(U)/(×10-6) | 同位素比值 | 同位素年龄/Ma |
---|
207Pb/235U | 1s/% | 206Pb/238U | 1s/% | Rho | 206Pb/238U | 2s(abs) |
---|
06b-1B-01-A1 | 0.07 | 6.45 | 0.3040 | 16.2 | 0.02557 | 6.2 | -0.05 | 162 | 20 | 06b-1B-01-A2 | 0.14 | 7.44 | 0.3345 | 18.2 | 0.02814 | 4.1 | -0.02 | 179 | 15 | 06b-1B-01-A3 | 0.16 | 10.23 | 0.3854 | 17.7 | 0.02680 | 5.6 | 0.15 | 170 | 19 | 06b-1B-01-A4 | BDL | 10.40 | 0.3116 | 19.6 | 0.02451 | 4.0 | 0.04 | 156 | 12 | 06b-1B-01-A5 | 0.39 | 11.47 | 0.2703 | 22.3 | 0.02584 | 5.5 | -0.36 | 164 | 18 | 06b-1B-01-A6 | 0.41 | 13.48 | 0.2195 | 23.0 | 0.02317 | 4.9 | 0.21 | 148 | 14 | 06b-1B-01-A7 | 0.68 | 16.89 | 0.4213 | 16.6 | 0.02479 | 5.1 | 0.28 | 158 | 16 | 06b-1B-01-A8 | 1.95 | 15.48 | 0.7682 | 12.9 | 0.02524 | 3.9 | 0.05 | 161 | 12 | 06b-1B-01-A9 | 0.21 | 4.99 | 0.3239 | 22.3 | 0.02383 | 5.7 | 0.07 | 152 | 17 | 06b-1B-01-A11 | 0.16 | 6.08 | 0.3149 | 19.5 | 0.02774 | 5.1 | 0.44 | 176 | 18 | 06b-1B-01-A12 | 0.31 | 7.00 | 0.3804 | 24.0 | 0.02764 | 7.5 | -0.07 | 175 | 26 | 06b-1B-01-A13 | 0.25 | 7.49 | 0.3449 | 25.3 | 0.02631 | 5.5 | 0.20 | 167 | 18 | 06b-1B-01-A14 | 0.13 | 8.39 | 0.2640 | 22.7 | 0.02664 | 5.0 | 0.15 | 169 | 17 | 06b-1B-01-A15 | 0.88 | 9.53 | 0.4739 | 21.3 | 0.02853 | 7.0 | 0.17 | 181 | 25 | 06b-1B-01-A16 | 0.51 | 8.75 | 0.4977 | 20.9 | 0.02476 | 4.3 | 0.32 | 158 | 13 | 06b-1B-01-A17 | 0.05 | 6.56 | 0.5781 | 16.8 | 0.02687 | 8.0 | 0.14 | 171 | 27 | 06b-1B-01-A18 | 0.07 | 5.96 | 0.2851 | 19.4 | 0.02332 | 5.3 | -0.03 | 148 | 16 | 06b-1B-01-A19 | 0.05 | 5.17 | 0.4692 | 24.3 | 0.02460 | 7.2 | -0.08 | 156 | 22 | 06b-1B-01-A20 | 0.11 | 5.23 | 0.3224 | 26.9 | 0.02166 | 6.9 | 0.22 | 138 | 19 | 06b-1B-01-A21 | BDL | 5.09 | 0.1664 | 47.6 | 0.02624 | 6.6 | 0.37 | 167 | 22 | 06b-1B-01-A22 | 0.19 | 4.15 | 0.7247 | 19.9 | 0.02581 | 7.5 | 0.01 | 164 | 24 | 06b-1B-01-A23 | 0.1 | 5.40 | 0.3023 | 36.5 | 0.02684 | 7.8 | -0.35 | 170 | 26 | 06b-1B-01-A24 | 0.14 | 5.21 | 0.3985 | 29.1 | 0.02235 | 7.2 | -0.37 | 142 | 20 | 06b-1B-01-A25 | 0.14 | 5.15 | 0.2821 | 24.0 | 0.02541 | 6.8 | -0.12 | 161 | 22 | 06b-1B-01-A27 | 0.21 | 3.67 | 0.8901 | 20.5 | 0.02892 | 8.2 | 0.36 | 183 | 30 | 06b-1B-01-A28 | 0.08 | 3.17 | 0.6355 | 22.5 | 0.02719 | 9.6 | 0.47 | 172 | 33 | 06b-1B-01-A29 | 0.11 | 3.05 | 0.2262 | 43.9 | 0.02572 | 8.3 | 0.00 | 163 | 27 | 06b-1B-01-A30 | 0.16 | 3.44 | 0.0890 | 90.3 | 0.02795 | 6.9 | 0.11 | 177 | 24 | 06b-1B-01-A31 | 0.12 | 6.37 | 0.1750 | 35.1 | 0.02608 | 5.3 | -0.17 | 166 | 17 | 06b-1B-01-A32 | 0.33 | 4.70 | 0.5311 | 19.5 | 0.02116 | 7.9 | 0.00 | 135 | 21 | 06b-1B-01-A33 | 0.03 | 3.86 | 0.1989 | 31.8 | 0.02148 | 6.0 | 0.12 | 137 | 16 | 06b-1B-01-A34 | BDL | 3.20 | 0.1985 | 45.8 | 0.02080 | 6.8 | -0.05 | 132 | 18 | 06b-1B-01-A35 | BDL | 3.54 | 0.2427 | 36.6 | 0.02446 | 7.4 | -0.20 | 155 | 23 | 06b-1B-01-A36 | BDL | 3.55 | 0.0704 | 95.2 | 0.02385 | 7.5 | 0.01 | 151 | 22 | 06b-1B-01-A37 | 0.06 | 3.84 | 0.1897 | 47.6 | 0.02622 | 8.3 | -0.15 | 166 | 27 | 06b-1B-01-A38 | BDL | 3.68 | 0.2045 | 42.0 | 0.02620 | 6.2 | 0.17 | 166 | 21 | 06b-1B-01-A39 | BDL | 3.86 | 0.2394 | 36.0 | 0.02280 | 8.3 | 0.07 | 145 | 24 | 06b-1B-01-A40 | 0.03 | 3.67 | 0.2958 | 30.3 | 0.02158 | 8.8 | 0.04 | 137 | 24 |
|
|
|