湘东北万古金矿床不同期次黄铁矿微量元素特征及其对金成矿机制的启示
|
万泰安,许德如,马文,张胜伟,王国建,卞玉冰,李博
|
Trace Element Characteristics of Different Chronology Pyrite in Wangu Gold Deposit,Northeast Hunan and Its Implication to Gold Mineralization Mechanism
|
Tai’an WAN,Deru XU,Wen MA,Shengwei ZHANG,Guojian WANG,Yubing BIAN,Bo LI
|
|
表1 万古金矿床黄铁矿LA-ICP-MS微量元素特征
|
Table 1 Characteristics of trace elements of pyrite in the Wangu gold deposit by LA-ICP-MS(×10-6)
|
|
形成时期 | 测点号 | Au | As | Se | Mn | Co | Ni | Cu | Zn | Mo | Ag | Sb | Te | Pb | Bi | Co/Ni |
---|
Py1 | 20ZK6S01-4J-1 | 0.10 | 1 244 | 24.78 | 152.9 | 530 | 374 | 41.8 | 4 | - | 0.58 | 139.1 | 3.41 | 697 | 2.75 | 1.42 | 20ZK6S01-4J-2 | 0.20 | 752 | 31.88 | 34.5 | 188 | 295 | 90.6 | 4 | - | 1.01 | 277.4 | 2.11 | 1 309 | 2.25 | 0.64 | 20ZK6S01-4J-3 | 0.14 | 1 045 | 31.92 | 86.9 | 784 | 404 | 57.1 | 3 | - | 0.66 | 183.5 | 3.25 | 957 | 3.21 | 1.94 | 20ZK6S01-4J-4 | 0.11 | 858 | 24.15 | 778.7 | 154 | 386 | 48.4 | 4 | - | 0.73 | 159.7 | 2.73 | 862 | 4.78 | 0.40 | 20ZK6S01-4T-1 | 0.22 | 253 | 4.78 | 234.7 | 130 | 14 | 94.7 | 19 | - | 1.58 | 378.2 | - | 1 735 | 1.63 | 9.36 | Py2 | 20ZK6S01-4J-5 | 0.18 | 590 | 18.36 | 71.4 | 559 | 890 | 68.9 | 2 | - | 1.32 | 187.3 | 2.90 | 951 | 10.64 | 0.63 | 20ZK6S01-4J-6 | 0.34 | 817 | 26.67 | 20.5 | 350 | 375 | 115.5 | 6 | - | 1.83 | 388.3 | 3.91 | 1 370 | 3.68 | 0.93 | 20ZK6S01-4J-7 | 0.26 | 3 743 | 18.63 | 42.3 | 578 | 1 858 | 95.4 | 10 | 0.25 | 1.82 | 355.0 | 4.20 | 1 112 | 4.84 | 0.31 | 20ZK6S01-4J-8 | 0.24 | 1 312 | 27.83 | 46.9 | 498 | 248 | 67.8 | 12 | - | 1.05 | 198.0 | 3.15 | 879 | 6.34 | 2.01 | 20ZK6S01-4J-9 | 1.02 | 2 720 | 51.36 | 529.3 | 566 | 818 | 174.3 | 32 | 2.28 | 5.07 | 393.8 | 7.49 | 1 205 | 13.39 | 0.69 | 20ZK6S01-4J-10 | 1.18 | 5 782 | 49.73 | 25.8 | 726 | 1 618 | 365.4 | 9 | 7.46 | 6.52 | 361.9 | 14.61 | 1 051 | 17.12 | 0.45 | 20ZK6S01-4T-8 | 0.34 | 1 038 | 14.94 | 42.3 | 347 | 743 | 113.3 | 10 | 0.41 | 1.88 | 335.8 | 4.46 | 1 066 | 7.13 | 0.47 | 20ZK6S01-4T-9 | 0.61 | 3 015 | 26.90 | 35.9 | 4 120 | 991 | 174.0 | 11 | - | 1.55 | 493.0 | 7.52 | 1 173 | 10.18 | 4.16 | Py3 | 20HJW-2J-1 | 12.03 | 38 258 | 5.00 | 1.3 | 78 | 508 | 63.3 | 4 | - | 0.08 | 21.2 | 2.52 | 632 | 1.40 | 0.15 | 20HJW-2J-2 | 18.08 | 31 836 | 10.28 | 1.0 | 57 | 227 | 68.1 | 3 | 0.53 | 0.09 | 51.3 | 6.33 | 529 | 5.55 | 0.25 | 20HJW-2J-3 | 30.90 | 41 672 | 5.81 | - | 26 | 176 | 102.3 | 7 | - | 0.06 | 47.5 | 6.88 | 209 | 4.26 | 0.15 | 20HJW-2J-4 | 11.79 | 31 137 | 7.97 | 0.8 | 62 | 255 | 55.1 | 3 | - | 0.05 | 25.6 | 4.19 | 77 | 3.17 | 0.24 | 20HJW-2J-5 | 63.90 | 42 007 | 9.84 | 1.5 | 91 | 615 | 67.8 | 2 | - | 0.07 | 23.3 | 6.11 | 79 | 2.61 | 0.15 | 20HJW-2J-6 | 13.81 | 24 988 | 11.73 | 1.3 | 279 | 280 | 55.5 | 2 | 0.15 | 0.04 | 23.3 | 2.38 | 118 | 2.80 | 0.99 | 20HJW-2J-7 | 4.67 | 7 981 | 20.47 | 7.8 | 142 | 241 | 48.0 | 3 053 | 0.20 | 1.34 | 46.2 | 7.88 | 3 031 | 10.17 | 0.59 | 20HJW-2J-8 | 58.57 | 49 630 | 9.14 | - | 27 | 145 | 52.5 | 2 | - | - | 13.6 | 2.66 | 44 | 1.27 | 0.19 | 20HJW-2J-9 | 11.53 | 24 857 | 11.25 | 0.7 | 48 | 209 | 43.3 | 2 | - | - | 19.6 | 1.98 | 694 | 2.17 | 0.23 | 20HJW-2J-10 | 1.81 | 2 545 | 14.64 | 4.5 | 459 | 173 | 78.1 | 6 | - | 0.27 | 162.9 | 4.74 | 552 | 13.83 | 2.65 | | 检出限 | | 0.03 | 2.07 | 3.33 | 0.4 | 0.65 | 0.37 | 0.35 | 0.5 | 0.1 | 0.01 | 0.24 | 0.45 | 0.002 | 0.02 | | |
|
|
|