胶东三山岛金矿床巨斑花岗岩的形成时代、成因及对金成矿的启示

周晓萍,宋明春,刘向东,闫春明,胡兆君,苏海岗,胡秉谦,周宜康

Formation Age，Petrogenesis，and Implications for Gold Mineralization of Giant Porphyritic Granite in the Sanshandao Gold Deposit in Jiaodong

Xiaoping ZHOU,Mingchun SONG,Xiangdong LIU,Chunming YAN,Zhaojun HU,Haigang SU,Bingqian HU,Yikang ZHOU

表2 三山岛巨斑花岗岩锆石微量元素分析结果

Table 2 Ziron trace element analysis results of Sanshandao giant porphyritic granite（×10-6）

点号 La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Nb Ta ΣREE ΣLREE ΣHREE （Lu/Gd）N δEu δCe Nb/Ta 1 0.013 13.752 0.031 0.975 3.839 0.654 33.288 11.763 141.065 46.750 203.478 39.266 335.017 57.311 3.432 0.681 887 19 868 13.85 0.12 117.36 5.04 2 0.004 28.000 0.051 1.132 7.491 1.214 59.826 20.664 241.078 80.099 326.604 61.784 513.598 80.376 12.67 1.797 1 422 38 1 384 10.81 0.12 166.36 7.05 3 7.115 37.738 3.350 17.658 8.796 1.246 36.522 11.385 138.308 48.039 210.494 41.091 349.585 59.819 5.030 0.797 971 76 895 13.17 0.18 1.89 6.31 4 0.005 20.654 0.031 0.914 4.339 1.033 33.429 11.723 150.352 53.827 242.296 48.955 424.452 72.848 7.118 1.211 1 065 27 1 038 17.53 0.19 194.52 5.88 5 0.005 21.250 0.039 1.048 4.513 0.979 34.753 12.376 154.174 55.117 246.387 49.922 431.282 74.339 7.137 1.233 1 086 28 1 058 17.21 0.17 160.08 5.79 6 0.005 5.880 0.023 0.238 0.686 0.291 3.682 1.318 15.657 6.226 32.775 7.870 84.586 18.006 1.507 0.508 177 7 170 39.33 0.45 72.21 2.97 7 0.031 9.812 0.030 0.647 2.243 0.535 17.031 6.453 78.679 28.953 134.006 28.049 244.505 44.427 3.703 0.822 595 13 582 20.98 0.19 71.82 4.50 8 0.006 2.095 0.004 0.105 0.254 0.133 2.422 1.125 16.395 6.658 39.621 10.322 110.800 23.547 2.121 0.712 213 3 211 78.21 0.34 104.89 2.98 9 0.021 20.723 0.111 2.385 9.438 1.987 63.120 18.862 206.937 65.965 270.110 50.593 413.639 68.817 5.389 1.056 1 193 35 1 158 8.77 0.19 53.99 5.10 10 0.006 22.356 0.040 1.025 5.405 1.167 38.275 13.453 164.032 59.381 264.176 52.632 454.480 79.340 7.527 1.298 1 156 30 1 126 16.67 0.18 163.16 5.80 11 0.006 16.618 0.027 0.286 1.288 0.829 8.929 2.578 30.938 11.074 56.034 12.914 129.780 28.037 1.891 0.429 299 19 280 25.26 0.55 175.11 4.40 12 0.006 13.029 0.013 0.763 2.842 0.681 25.495 8.821 103.461 36.253 161.962 31.916 277.022 48.862 4.513 0.810 711 17 694 15.42 0.16 261.78 5.57 13 0.007 31.893 0.045 0.786 1.235 0.594 6.482 1.712 16.886 5.744 26.601 6.091 57.496 12.164 1.793 0.562 168 35 133 15.09 0.52 206.82 3.19 14 0.023 4.084 0.045 1.093 2.658 1.257 14.745 4.506 51.230 19.040 89.348 19.172 180.204 34.176 3.910 1.348 422 9 412 18.64 0.49 23.41 2.90 15 0.022 7.600 0.101 1.500 3.284 0.900 17.005 5.855 71.999 28.083 138.042 31.430 312.105 62.221 2.118 1.037 680 13 667 29.43 0.30 21.58 2.04 16 0.006 6.807 0.017 0.474 1.514 0.898 11.559 3.422 39.716 14.767 70.829 15.255 150.564 31.655 2.037 0.404 347 10 338 22.03 0.47 106.92 5.05 17 0.006 20.298 0.046 1.022 4.873 1.051 40.382 13.411 164.647 58.667 256.512 48.678 412.873 71.433 7.864 1.266 1 094 27 1 067 14.23 0.16 130.57 6.21 18 3.928 44.083 2.452 15.154 10.202 1.833 46.444 14.024 160.628 53.730 229.546 43.896 378.000 65.452 8.313 1.349 1 069 78 992 11.34 0.22 3.40 6.16 19 0.007 111.441 0.183 4.313 10.224 6.191 47.939 12.927 133.364 43.409 188.730 36.939 320.044 57.307 3.427 0.370 973 132 841 9.62 0.71 185.90 9.27 20 0.008 24.032 0.038 0.863 5.763 1.173 41.150 13.181 147.993 47.607 202.737 37.876 321.287 53.080 10.367 2.101 897 32 865 10.38 0.17 180.69 4.93 21 0.049 30.376 0.049 1.375 7.401 1.533 51.194 15.915 173.416 56.607 230.490 43.161 351.675 59.440 10.629 1.629 1 023 41 982 9.34 0.18 138.16 6.53 22 0.250 21.487 0.169 1.844 4.844 1.109 34.568 11.928 146.733 53.067 231.312 43.886 384.929 67.002 6.532 0.990 1 003 30 973 15.59 0.19 24.81 6.59 23 0.005 12.212 0.040 0.723 2.739 0.909 21.200 6.926 82.880 29.177 132.243 25.806 225.512 42.191 4.045 0.739 583 17 566 16.01 0.26 91.11 5.48 24 0.053 20.000 0.055 1.101 4.269 1.096 34.619 12.105 150.258 53.182 236.264 46.086 403.643 71.281 6.252 1.039 1 034 27 1 007 16.56 0.19 82.18 6.02 25 0.046 13.561 0.019 0.416 2.518 0.609 21.229 7.760 91.076 32.546 152.047 30.248 266.317 48.333 5.532 1.092 667 17 650 18.31 0.18 113.42 5.07 26 0.005 20.280 0.051 1.162 5.549 1.169 38.595 13.269 164.004 57.127 250.939 48.217 408.063 71.325 7.226 1.085 1 080 28 1 052 14.86 0.18 118.25 6.66 27 0.044 17.693 0.066 1.024 4.849 1.094 37.835 13.300 156.872 55.165 239.087 45.090 376.618 65.690 5.958 1.021 1 014 25 990 13.97 0.17 66.07 5.84 29 0.008 48.326 0.080 1.402 2.606 0.877 10.639 3.399 37.951 13.852 67.927 15.392 154.020 31.155 2.356 0.669 388 53 334 23.56 0.44 180.54 3.52