Earth Science Frontiers ›› 2021, Vol. 28 ›› Issue (4): 267-282.DOI: 10.13745/j.esf.sf.2020.12.6
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CHEN Zhigang1(), LI Yongsheng2,*(
), YU Xiaofei2, WANG Ying3, ZHEN Shimin2, GONG Fanying2
Received:
2020-05-12
Revised:
2020-09-25
Online:
2021-07-25
Published:
2021-07-25
Contact:
LI Yongsheng
CLC Number:
CHEN Zhigang, LI Yongsheng, YU Xiaofei, WANG Ying, ZHEN Shimin, GONG Fanying. Characterization of the Xiaokelehe granite porphyry in the Northern Great Xing’an Range[J]. Earth Science Frontiers, 2021, 28(4): 267-282.
点号 | 同位素比值 | 同位素年龄/Ma | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
207Pb/206Pb | 207Pb/235U | 206Pb/238U | 207Pb/206Pb | 207Pb/235U | 206Pb/238U | |||||
NO.1 | 0.048 51±0.000 66 | 0.138 89±0.001 82 | 0.020 75±0.000 15 | 124±31.8 | 132.05±1.6 | 132.42±0.9 | ||||
NO.2 | 0.048 64±0.000 59 | 0.139 60±0.001 43 | 0.020 80±0.000 14 | 130±28.3 | 132.69±1.3 | 132.72±0.9 | ||||
NO.3 | 0.048 60±0.000 49 | 0.140 08±0.001 37 | 0.020 85±0.000 13 | 128±23.8 | 133.12±1.2 | 133.05±0.8 | ||||
NO.4 | 0.048 72±0.000 60 | 0.140 05±0.001 86 | 0.020 79±0.000 15 | 134±28.9 | 133.08±1.7 | 132.66±0.9 | ||||
NO.5 | 0.048 73±0.000 37 | 0.139 02±0.001 02 | 0.020 64±0.000 13 | 136±17.9 | 132.17±0.9 | 131.68±0.8 | ||||
NO.6 | 0.049 76±0.000 50 | 0.139 57±0.001 77 | 0.020 71±0.000 16 | 134±24.1 | 132.66±1.6 | 132.15±1.0 | ||||
NO.7 | 0.048 49±0.000 62 | 0.140 42±0.002 19 | 0.020 83±0.000 20 | 133±29.8 | 133.42±1.9 | 132.91±1.3 | ||||
NO.8 | 0.048 70±0.000 47 | 0.137 71±0.001 61 | 0.020 44±0.000 15 | 133±22.9 | 131.00±1.4 | 130.44±1.0 | ||||
NO.9 | 0.048 94±0.000 50 | 0.139 89±0.001 48 | 0.020 72±0.000 16 | 144±24.1 | 132.95±1.3 | 132.22±1.0 | ||||
NO.10 | 0.048 84±0.000 56 | 0.139 23±0.001 54 | 0.020 62±0.000 17 | 140±26.8 | 132.36±1.4 | 131.60±1.1 | ||||
NO.11 | 0.048 75±0.000 68 | 0.138 29±0.001 99 | 0.020 47±0.000 13 | 135±32.5 | 131.52±1.8 | 130.63±0.8 | ||||
NO.12 | 0.048 92±0.000 66 | 0.138 56±0.002 56 | 0.020 49±0.000 23 | 144±31.6 | 131.76±2.3 | 130.75±1.4 | ||||
NO.13 | 0.049 06±0.000 75 | 0.140 12±0.002 21 | 0.020 70±0.000 19 | 150±35.6 | 133.15±2.0 | 132.09±1.2 | ||||
NO.14 | 0.049 03±0.000 65 | 0.140 57±0.001 91 | 0.020 75±0.000 18 | 149±31.2 | 133.55±1.7 | 132.38±1.1 | ||||
NO.15 | 0.049 03±0.000 70 | 0.139 96±0.002 26 | 0.020 65±0.000 20 | 149±33.3 | 133.01±2.0 | 131.76±1.2 | ||||
NO.16 | 0.049 11±0.000 42 | 0.139 75±0.001 20 | 0.020 61±0.000 13 | 153±20.1 | 132.82±1.1 | 131.52±0.8 | ||||
NO.17 | 0.049 13±0.000 46 | 0.139 29±0.001 27 | 0.020 52±0.000 13 | 154±21.8 | 132.42±1.1 | 130.94±0.8 | ||||
NO.18 | 0.049 21±0.000 68 | 0.139 61±0.002 01 | 0.020 53±0.000 14 | 157±32.2 | 132.70±1.8 | 131.03±0.9 | ||||
NO.19 | 0.049 05±0.000 56 | 0.140 22±0.002 13 | 0.020 61±0.000 26 | 150±26.9 | 133.24±1.9 | 131.50±1.6 | ||||
NO.20 | 0.049 14±0.000 51 | 0.138 48±0.001 75 | 0.020 36±0.000 14 | 154±24.1 | 131.68±1.5 | 129.95±0.9 | ||||
NO.21 | 0.049 25±0.000 55 | 0.138 79±0.001 78 | 0.020 39±0.000 18 | 159±26.2 | 131.97±1.6 | 130.10±1.2 | ||||
NO.22 | 0.049 32±0.000 71 | 0.139 22±0.002 23 | 0.020 44±0.000 15 | 163±33.6 | 132.35±2.0 | 130.46±1.0 | ||||
NO.23 | 0.049 24±0.000 58 | 0.138 84±0.001 74 | 0.020 36±0.000 14 | 159±27.6 | 132.01±1.5 | 129.93±0.9 | ||||
NO.24 | 0.049 45±0.000 69 | 0.139 21±0.002 16 | 0.020 39±0.000 14 | 169±32.4 | 132.34±1.9 | 130.15±0.9 |
Table 1 Results of zircon LA-MC-ICP-MS U-Pb isotopic dating of the Xiaokelehe granite porphyry
点号 | 同位素比值 | 同位素年龄/Ma | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
207Pb/206Pb | 207Pb/235U | 206Pb/238U | 207Pb/206Pb | 207Pb/235U | 206Pb/238U | |||||
NO.1 | 0.048 51±0.000 66 | 0.138 89±0.001 82 | 0.020 75±0.000 15 | 124±31.8 | 132.05±1.6 | 132.42±0.9 | ||||
NO.2 | 0.048 64±0.000 59 | 0.139 60±0.001 43 | 0.020 80±0.000 14 | 130±28.3 | 132.69±1.3 | 132.72±0.9 | ||||
NO.3 | 0.048 60±0.000 49 | 0.140 08±0.001 37 | 0.020 85±0.000 13 | 128±23.8 | 133.12±1.2 | 133.05±0.8 | ||||
NO.4 | 0.048 72±0.000 60 | 0.140 05±0.001 86 | 0.020 79±0.000 15 | 134±28.9 | 133.08±1.7 | 132.66±0.9 | ||||
NO.5 | 0.048 73±0.000 37 | 0.139 02±0.001 02 | 0.020 64±0.000 13 | 136±17.9 | 132.17±0.9 | 131.68±0.8 | ||||
NO.6 | 0.049 76±0.000 50 | 0.139 57±0.001 77 | 0.020 71±0.000 16 | 134±24.1 | 132.66±1.6 | 132.15±1.0 | ||||
NO.7 | 0.048 49±0.000 62 | 0.140 42±0.002 19 | 0.020 83±0.000 20 | 133±29.8 | 133.42±1.9 | 132.91±1.3 | ||||
NO.8 | 0.048 70±0.000 47 | 0.137 71±0.001 61 | 0.020 44±0.000 15 | 133±22.9 | 131.00±1.4 | 130.44±1.0 | ||||
NO.9 | 0.048 94±0.000 50 | 0.139 89±0.001 48 | 0.020 72±0.000 16 | 144±24.1 | 132.95±1.3 | 132.22±1.0 | ||||
NO.10 | 0.048 84±0.000 56 | 0.139 23±0.001 54 | 0.020 62±0.000 17 | 140±26.8 | 132.36±1.4 | 131.60±1.1 | ||||
NO.11 | 0.048 75±0.000 68 | 0.138 29±0.001 99 | 0.020 47±0.000 13 | 135±32.5 | 131.52±1.8 | 130.63±0.8 | ||||
NO.12 | 0.048 92±0.000 66 | 0.138 56±0.002 56 | 0.020 49±0.000 23 | 144±31.6 | 131.76±2.3 | 130.75±1.4 | ||||
NO.13 | 0.049 06±0.000 75 | 0.140 12±0.002 21 | 0.020 70±0.000 19 | 150±35.6 | 133.15±2.0 | 132.09±1.2 | ||||
NO.14 | 0.049 03±0.000 65 | 0.140 57±0.001 91 | 0.020 75±0.000 18 | 149±31.2 | 133.55±1.7 | 132.38±1.1 | ||||
NO.15 | 0.049 03±0.000 70 | 0.139 96±0.002 26 | 0.020 65±0.000 20 | 149±33.3 | 133.01±2.0 | 131.76±1.2 | ||||
NO.16 | 0.049 11±0.000 42 | 0.139 75±0.001 20 | 0.020 61±0.000 13 | 153±20.1 | 132.82±1.1 | 131.52±0.8 | ||||
NO.17 | 0.049 13±0.000 46 | 0.139 29±0.001 27 | 0.020 52±0.000 13 | 154±21.8 | 132.42±1.1 | 130.94±0.8 | ||||
NO.18 | 0.049 21±0.000 68 | 0.139 61±0.002 01 | 0.020 53±0.000 14 | 157±32.2 | 132.70±1.8 | 131.03±0.9 | ||||
NO.19 | 0.049 05±0.000 56 | 0.140 22±0.002 13 | 0.020 61±0.000 26 | 150±26.9 | 133.24±1.9 | 131.50±1.6 | ||||
NO.20 | 0.049 14±0.000 51 | 0.138 48±0.001 75 | 0.020 36±0.000 14 | 154±24.1 | 131.68±1.5 | 129.95±0.9 | ||||
NO.21 | 0.049 25±0.000 55 | 0.138 79±0.001 78 | 0.020 39±0.000 18 | 159±26.2 | 131.97±1.6 | 130.10±1.2 | ||||
NO.22 | 0.049 32±0.000 71 | 0.139 22±0.002 23 | 0.020 44±0.000 15 | 163±33.6 | 132.35±2.0 | 130.46±1.0 | ||||
NO.23 | 0.049 24±0.000 58 | 0.138 84±0.001 74 | 0.020 36±0.000 14 | 159±27.6 | 132.01±1.5 | 129.93±0.9 | ||||
NO.24 | 0.049 45±0.000 69 | 0.139 21±0.002 16 | 0.020 39±0.000 14 | 169±32.4 | 132.34±1.9 | 130.15±0.9 |
样品号 | 主量元素质量分数/10-2 | Mg# | A/NK | A/CNK | 微量元素质量分数/10-6 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2 | TiO2 | Al2O3 | Fe2O3T | FeO | MnO | MgO | CaO | Na2O | K2O | 烧失量 | 总和 | Ti | V | Mn | Co | Ni | Cu | Zn | Ga | As | Rb | |||||||||||||||||||||||||||||||||||||||||
XKL-1 | 76.37 | 0.091 | 12.03 | 1.28 | 0.73 | 0.08 | 0.11 | 0.38 | 4.35 | 4.06 | 0.59 | 99.46 | 14.06 | 1.04 | 0.98 | 615.17 | 4.32 | 623.06 | 0.76 | 2.81 | 6.84 | 6.3 | 14.05 | 1.83 | 85.03 | |||||||||||||||||||||||||||||||||||||
XKL-2 | 77.11 | 0.087 | 12.22 | 0.96 | 0.66 | 0.07 | 0.1 | 0.34 | 4.55 | 3.83 | 0.42 | 99.74 | 17.48 | 1.05 | 1 | 559.72 | 2.68 | 562.46 | 0.86 | 2.71 | 5.35 | 10.74 | 14.71 | 1.44 | 99.56 | |||||||||||||||||||||||||||||||||||||
XKL-3 | 76.28 | 0.091 | 12.05 | 1.5 | 0.79 | 0.11 | 0.09 | 0.46 | 4.2 | 4.23 | 0.63 | 99.78 | 10.72 | 1.05 | 0.98 | 599 | 4.4 | 1 522.7 | 1.99 | 6.75 | 11.01 | 13.7 | 14.18 | 3.3 | 111.51 | |||||||||||||||||||||||||||||||||||||
XKL-4 | 77.55 | 0.088 | 12.09 | 1.08 | 0.72 | 0.08 | 0.1 | 0.3 | 3.69 | 4.61 | 0.44 | 100.11 | 15.87 | 1.09 | 1.04 | 615.78 | 2.87 | 606.93 | 0.7 | 1.88 | 6.84 | 7.35 | 14.22 | 1.49 | 119.28 | |||||||||||||||||||||||||||||||||||||
XKL-5 | 76.24 | 0.09 | 11.84 | 1.31 | 0.97 | 0.1 | 0.09 | 0.65 | 4.24 | 4.05 | 0.68 | 99.41 | 11.4 | 1.04 | 0.94 | 591.55 | 3.47 | 888.58 | 1.22 | 6.27 | 9.77 | 13.67 | 14.03 | 1.72 | 101.2 | |||||||||||||||||||||||||||||||||||||
XKL-6 | 77.45 | 0.086 | 11.9 | 0.98 | 0.83 | 0.07 | 0.12 | 0.37 | 4.11 | 4.01 | 0.4 | 99.53 | 19.73 | 1.07 | 1.01 | 602.57 | 4.29 | 803.47 | 0.96 | 3.98 | 6.64 | 14.77 | 14.68 | 1.52 | 105.32 | |||||||||||||||||||||||||||||||||||||
XKL-7 | 76.55 | 0.091 | 11.98 | 1.27 | 0.82 | 0.1 | 0.16 | 0.38 | 3.88 | 4.57 | 0.58 | 99.62 | 19.52 | 1.06 | 1 | 582.62 | 4.23 | 887.49 | 1.5 | 3.52 | 21.68 | 14.3 | 14.71 | 1.74 | 126.77 | |||||||||||||||||||||||||||||||||||||
样品号 | 微量元素质量分数/10-6 | 稀土元素质量分数/10-6 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Sr | Zr | Nb | Mo | Cd | In | Cs | Ba | Hf | Ta | W | Tl | Pb | Bi | Th | U | La | Ce | Pr | Nd | Sm | Eu | Gd | Tb | Dy | Ho | |||||||||||||||||||||||||||||||||||||
XKL-1 | 147.47 | 82.12 | 11.89 | 1.61 | 0.08 | 0.02 | 1.36 | 269.19 | 3.37 | 1.05 | 0.6 | 0.79 | 20.08 | 0.26 | 11.88 | 4.02 | 12.67 | 24.09 | 2.56 | 8.79 | 1.65 | 0.2 | 1.36 | 0.2 | 1.04 | 0.2 | ||||||||||||||||||||||||||||||||||||
XKL-2 | 84.11 | 78.38 | 11.59 | 1.09 | 0.07 | 0.01 | 1.12 | 261.3 | 3.2 | 0.99 | 0.8 | 0.73 | 23.51 | 0.23 | 15.79 | 4.99 | 14.14 | 27.74 | 2.79 | 9.24 | 1.74 | 0.2 | 1.48 | 0.22 | 1.21 | 0.24 | ||||||||||||||||||||||||||||||||||||
XKL-3 | 160.42 | 80.34 | 11.81 | 2.44 | 0.45 | 0.05 | 1.39 | 354.46 | 3.29 | 1.09 | 1.15 | 0.85 | 27.65 | 0.26 | 16.21 | 5.42 | 16.32 | 31.44 | 3.14 | 10.85 | 2.09 | 0.25 | 1.72 | 0.26 | 1.36 | 0.27 | ||||||||||||||||||||||||||||||||||||
XKL-4 | 112.04 | 78.78 | 11.31 | 0.69 | 0.08 | 0.02 | 1.3 | 363.41 | 3.48 | 1.1 | 0.69 | 0.93 | 17.71 | 0.17 | 16.03 | 3.85 | 13.04 | 21.3 | 2.66 | 9.01 | 1.74 | 0.23 | 1.4 | 0.23 | 1.25 | 0.25 | ||||||||||||||||||||||||||||||||||||
XKL-5 | 114.5 | 79.27 | 11.67 | 1.96 | 0.12 | 0.02 | 1.12 | 321.76 | 3.3 | 1.07 | 0.8 | 0.78 | 24.77 | 0.24 | 14.8 | 4.87 | 17.36 | 32.47 | 3.29 | 12.08 | 2.22 | 0.27 | 1.8 | 0.27 | 1.44 | 0.28 | ||||||||||||||||||||||||||||||||||||
XKL-6 | 116.72 | 79.27 | 11.81 | 1.35 | 0.07 | 0.02 | 1.18 | 340.25 | 3.44 | 1.06 | 0.69 | 0.8 | 18.38 | 0.16 | 17.57 | 4.58 | 17.38 | 33.66 | 3.35 | 11.82 | 2.32 | 0.28 | 1.88 | 0.29 | 1.55 | 0.3 | ||||||||||||||||||||||||||||||||||||
XKL-7 | 124.94 | 78.39 | 11.32 | 0.91 | 0.1 | 0.02 | 1.28 | 373.62 | 3.49 | 1.07 | 0.65 | 0.92 | 26.36 | 0.2 | 19.2 | 4.91 | 17.92 | 36.98 | 3.6 | 13.41 | 2.41 | 0.29 | 1.97 | 0.29 | 1.59 | 0.31 | ||||||||||||||||||||||||||||||||||||
样品号 | 稀土元素质量分数/10-6 | LREE/HREE | (La/Yb)N | 元素质量分数比值 | δEu | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Er | Tm | Yb | Lu | Y | ΣREE | ΣLREE | ΣHREE | Rb/Sr | Th/La | Nb/Ta | La/Nb | Zr/Y | Nb/Y | Sr/Y | Zr/Hf | Nb/Ta | ||||||||||||||||||||||||||||||||||||||||||||||
XKL-1 | 0.67 | 0.09 | 0.71 | 0.1 | 5.87 | 54.32 | 49.95 | 4.37 | 11.43 | 12.11 | 0.58 | 0.94 | 11.34 | 1.07 | 13.99 | 2.03 | 25.12 | 24.39 | 11.34 | 0.39 | ||||||||||||||||||||||||||||||||||||||||||
XKL-2 | 0.8 | 0.12 | 0.83 | 0.13 | 7.05 | 60.88 | 55.85 | 5.04 | 11.09 | 11.47 | 1.18 | 1.12 | 11.7 | 1.22 | 11.12 | 1.64 | 11.93 | 24.49 | 11.7 | 0.37 | ||||||||||||||||||||||||||||||||||||||||||
XKL-3 | 0.9 | 0.13 | 0.96 | 0.14 | 7.92 | 69.8 | 64.09 | 5.72 | 11.21 | 11.51 | 0.7 | 0.99 | 10.86 | 1.38 | 10.15 | 1.49 | 20.26 | 24.41 | 10.86 | 0.4 | ||||||||||||||||||||||||||||||||||||||||||
XKL-4 | 0.8 | 0.11 | 0.84 | 0.13 | 7.06 | 52.98 | 47.98 | 5 | 9.59 | 10.51 | 1.06 | 1.23 | 10.29 | 1.15 | 11.16 | 1.6 | 15.87 | 22.65 | 10.29 | 0.44 | ||||||||||||||||||||||||||||||||||||||||||
XKL-5 | 0.93 | 0.13 | 0.97 | 0.14 | 8.36 | 73.66 | 67.7 | 5.97 | 11.34 | 12.03 | 0.88 | 0.85 | 10.9 | 1.49 | 9.48 | 1.4 | 13.7 | 24.05 | 10.9 | 0.4 | ||||||||||||||||||||||||||||||||||||||||||
XKL-6 | 0.95 | 0.13 | 1.02 | 0.15 | 8.84 | 75.08 | 68.8 | 6.28 | 10.96 | 11.43 | 0.9 | 1.01 | 11.18 | 1.47 | 8.96 | 1.34 | 13.2 | 23.03 | 11.18 | 0.4 | ||||||||||||||||||||||||||||||||||||||||||
XKL-7 | 1 | 0.14 | 1.07 | 0.15 | 9.21 | 81.12 | 74.61 | 6.51 | 11.45 | 11.26 | 1.01 | 1.07 | 10.56 | 1.58 | 8.51 | 1.23 | 13.57 | 22.47 | 10.56 | 0.4 |
Table 2 Results of major, trace and rare earth element analysis of the Xiaokelehe granite porphyry
样品号 | 主量元素质量分数/10-2 | Mg# | A/NK | A/CNK | 微量元素质量分数/10-6 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2 | TiO2 | Al2O3 | Fe2O3T | FeO | MnO | MgO | CaO | Na2O | K2O | 烧失量 | 总和 | Ti | V | Mn | Co | Ni | Cu | Zn | Ga | As | Rb | |||||||||||||||||||||||||||||||||||||||||
XKL-1 | 76.37 | 0.091 | 12.03 | 1.28 | 0.73 | 0.08 | 0.11 | 0.38 | 4.35 | 4.06 | 0.59 | 99.46 | 14.06 | 1.04 | 0.98 | 615.17 | 4.32 | 623.06 | 0.76 | 2.81 | 6.84 | 6.3 | 14.05 | 1.83 | 85.03 | |||||||||||||||||||||||||||||||||||||
XKL-2 | 77.11 | 0.087 | 12.22 | 0.96 | 0.66 | 0.07 | 0.1 | 0.34 | 4.55 | 3.83 | 0.42 | 99.74 | 17.48 | 1.05 | 1 | 559.72 | 2.68 | 562.46 | 0.86 | 2.71 | 5.35 | 10.74 | 14.71 | 1.44 | 99.56 | |||||||||||||||||||||||||||||||||||||
XKL-3 | 76.28 | 0.091 | 12.05 | 1.5 | 0.79 | 0.11 | 0.09 | 0.46 | 4.2 | 4.23 | 0.63 | 99.78 | 10.72 | 1.05 | 0.98 | 599 | 4.4 | 1 522.7 | 1.99 | 6.75 | 11.01 | 13.7 | 14.18 | 3.3 | 111.51 | |||||||||||||||||||||||||||||||||||||
XKL-4 | 77.55 | 0.088 | 12.09 | 1.08 | 0.72 | 0.08 | 0.1 | 0.3 | 3.69 | 4.61 | 0.44 | 100.11 | 15.87 | 1.09 | 1.04 | 615.78 | 2.87 | 606.93 | 0.7 | 1.88 | 6.84 | 7.35 | 14.22 | 1.49 | 119.28 | |||||||||||||||||||||||||||||||||||||
XKL-5 | 76.24 | 0.09 | 11.84 | 1.31 | 0.97 | 0.1 | 0.09 | 0.65 | 4.24 | 4.05 | 0.68 | 99.41 | 11.4 | 1.04 | 0.94 | 591.55 | 3.47 | 888.58 | 1.22 | 6.27 | 9.77 | 13.67 | 14.03 | 1.72 | 101.2 | |||||||||||||||||||||||||||||||||||||
XKL-6 | 77.45 | 0.086 | 11.9 | 0.98 | 0.83 | 0.07 | 0.12 | 0.37 | 4.11 | 4.01 | 0.4 | 99.53 | 19.73 | 1.07 | 1.01 | 602.57 | 4.29 | 803.47 | 0.96 | 3.98 | 6.64 | 14.77 | 14.68 | 1.52 | 105.32 | |||||||||||||||||||||||||||||||||||||
XKL-7 | 76.55 | 0.091 | 11.98 | 1.27 | 0.82 | 0.1 | 0.16 | 0.38 | 3.88 | 4.57 | 0.58 | 99.62 | 19.52 | 1.06 | 1 | 582.62 | 4.23 | 887.49 | 1.5 | 3.52 | 21.68 | 14.3 | 14.71 | 1.74 | 126.77 | |||||||||||||||||||||||||||||||||||||
样品号 | 微量元素质量分数/10-6 | 稀土元素质量分数/10-6 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Sr | Zr | Nb | Mo | Cd | In | Cs | Ba | Hf | Ta | W | Tl | Pb | Bi | Th | U | La | Ce | Pr | Nd | Sm | Eu | Gd | Tb | Dy | Ho | |||||||||||||||||||||||||||||||||||||
XKL-1 | 147.47 | 82.12 | 11.89 | 1.61 | 0.08 | 0.02 | 1.36 | 269.19 | 3.37 | 1.05 | 0.6 | 0.79 | 20.08 | 0.26 | 11.88 | 4.02 | 12.67 | 24.09 | 2.56 | 8.79 | 1.65 | 0.2 | 1.36 | 0.2 | 1.04 | 0.2 | ||||||||||||||||||||||||||||||||||||
XKL-2 | 84.11 | 78.38 | 11.59 | 1.09 | 0.07 | 0.01 | 1.12 | 261.3 | 3.2 | 0.99 | 0.8 | 0.73 | 23.51 | 0.23 | 15.79 | 4.99 | 14.14 | 27.74 | 2.79 | 9.24 | 1.74 | 0.2 | 1.48 | 0.22 | 1.21 | 0.24 | ||||||||||||||||||||||||||||||||||||
XKL-3 | 160.42 | 80.34 | 11.81 | 2.44 | 0.45 | 0.05 | 1.39 | 354.46 | 3.29 | 1.09 | 1.15 | 0.85 | 27.65 | 0.26 | 16.21 | 5.42 | 16.32 | 31.44 | 3.14 | 10.85 | 2.09 | 0.25 | 1.72 | 0.26 | 1.36 | 0.27 | ||||||||||||||||||||||||||||||||||||
XKL-4 | 112.04 | 78.78 | 11.31 | 0.69 | 0.08 | 0.02 | 1.3 | 363.41 | 3.48 | 1.1 | 0.69 | 0.93 | 17.71 | 0.17 | 16.03 | 3.85 | 13.04 | 21.3 | 2.66 | 9.01 | 1.74 | 0.23 | 1.4 | 0.23 | 1.25 | 0.25 | ||||||||||||||||||||||||||||||||||||
XKL-5 | 114.5 | 79.27 | 11.67 | 1.96 | 0.12 | 0.02 | 1.12 | 321.76 | 3.3 | 1.07 | 0.8 | 0.78 | 24.77 | 0.24 | 14.8 | 4.87 | 17.36 | 32.47 | 3.29 | 12.08 | 2.22 | 0.27 | 1.8 | 0.27 | 1.44 | 0.28 | ||||||||||||||||||||||||||||||||||||
XKL-6 | 116.72 | 79.27 | 11.81 | 1.35 | 0.07 | 0.02 | 1.18 | 340.25 | 3.44 | 1.06 | 0.69 | 0.8 | 18.38 | 0.16 | 17.57 | 4.58 | 17.38 | 33.66 | 3.35 | 11.82 | 2.32 | 0.28 | 1.88 | 0.29 | 1.55 | 0.3 | ||||||||||||||||||||||||||||||||||||
XKL-7 | 124.94 | 78.39 | 11.32 | 0.91 | 0.1 | 0.02 | 1.28 | 373.62 | 3.49 | 1.07 | 0.65 | 0.92 | 26.36 | 0.2 | 19.2 | 4.91 | 17.92 | 36.98 | 3.6 | 13.41 | 2.41 | 0.29 | 1.97 | 0.29 | 1.59 | 0.31 | ||||||||||||||||||||||||||||||||||||
样品号 | 稀土元素质量分数/10-6 | LREE/HREE | (La/Yb)N | 元素质量分数比值 | δEu | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Er | Tm | Yb | Lu | Y | ΣREE | ΣLREE | ΣHREE | Rb/Sr | Th/La | Nb/Ta | La/Nb | Zr/Y | Nb/Y | Sr/Y | Zr/Hf | Nb/Ta | ||||||||||||||||||||||||||||||||||||||||||||||
XKL-1 | 0.67 | 0.09 | 0.71 | 0.1 | 5.87 | 54.32 | 49.95 | 4.37 | 11.43 | 12.11 | 0.58 | 0.94 | 11.34 | 1.07 | 13.99 | 2.03 | 25.12 | 24.39 | 11.34 | 0.39 | ||||||||||||||||||||||||||||||||||||||||||
XKL-2 | 0.8 | 0.12 | 0.83 | 0.13 | 7.05 | 60.88 | 55.85 | 5.04 | 11.09 | 11.47 | 1.18 | 1.12 | 11.7 | 1.22 | 11.12 | 1.64 | 11.93 | 24.49 | 11.7 | 0.37 | ||||||||||||||||||||||||||||||||||||||||||
XKL-3 | 0.9 | 0.13 | 0.96 | 0.14 | 7.92 | 69.8 | 64.09 | 5.72 | 11.21 | 11.51 | 0.7 | 0.99 | 10.86 | 1.38 | 10.15 | 1.49 | 20.26 | 24.41 | 10.86 | 0.4 | ||||||||||||||||||||||||||||||||||||||||||
XKL-4 | 0.8 | 0.11 | 0.84 | 0.13 | 7.06 | 52.98 | 47.98 | 5 | 9.59 | 10.51 | 1.06 | 1.23 | 10.29 | 1.15 | 11.16 | 1.6 | 15.87 | 22.65 | 10.29 | 0.44 | ||||||||||||||||||||||||||||||||||||||||||
XKL-5 | 0.93 | 0.13 | 0.97 | 0.14 | 8.36 | 73.66 | 67.7 | 5.97 | 11.34 | 12.03 | 0.88 | 0.85 | 10.9 | 1.49 | 9.48 | 1.4 | 13.7 | 24.05 | 10.9 | 0.4 | ||||||||||||||||||||||||||||||||||||||||||
XKL-6 | 0.95 | 0.13 | 1.02 | 0.15 | 8.84 | 75.08 | 68.8 | 6.28 | 10.96 | 11.43 | 0.9 | 1.01 | 11.18 | 1.47 | 8.96 | 1.34 | 13.2 | 23.03 | 11.18 | 0.4 | ||||||||||||||||||||||||||||||||||||||||||
XKL-7 | 1 | 0.14 | 1.07 | 0.15 | 9.21 | 81.12 | 74.61 | 6.51 | 11.45 | 11.26 | 1.01 | 1.07 | 10.56 | 1.58 | 8.51 | 1.23 | 13.57 | 22.47 | 10.56 | 0.4 |
Fig.8 Chondrite-normalized REE patterns (a) and primitive mantle-normalized spider diagram (b) for the Xiaokelehe granite porphyry. Chondrite normalized date adapted from [25]; primitive mantle normalized date adapted from [26].
样品号 | 年龄/Ma | 176Yb/177Hf | 176Lu/177Hf | 176Hf/177Hf | 2σ | 176Hf/177Hf | εHf(0) | εHf(t) | TDM1(Hf) | TDM2(Hf) | fLu/Hf |
---|---|---|---|---|---|---|---|---|---|---|---|
NO.3 | 131 | 0.125 403 | 0.004 1 | 0.282 696 | 0.9 | 0.282 686 | -2.7 | -0.2 | 858 | 1 196 | -0.88 |
NO.6 | 131 | 0.125 485 | 0.004 2 | 0.282 776 | 0.8 | 0.282 766 | 0.1 | 2.7 | 736 | 1 015 | -0.87 |
NO.9 | 131 | 0.138 458 | 0.004 6 | 0.282 736 | 1.2 | 0.282 725 | -1.3 | 1.2 | 808 | 1 108 | -0.86 |
NO.10 | 131 | 0.110 807 | 0.003 7 | 0.282 756 | 0.9 | 0.282 747 | -0.6 | 2 | 757 | 1 059 | -0.89 |
NO.12 | 131 | 0.093 857 | 0.003 1 | 0.282 779 | 0.8 | 0.282 771 | 0.2 | 2.8 | 710 | 1 004 | -0.91 |
NO.13 | 131 | 0.111 407 | 0.003 6 | 0.282 713 | 1 | 0.282 704 | -2.1 | 0.5 | 819 | 1 154 | -0.89 |
NO.14 | 131 | 0.085 994 | 0.002 8 | 0.282 81 | 0.8 | 0.282 803 | 1.4 | 4 | 658 | 931 | -0.92 |
NO.15 | 131 | 0.080 552 | 0.002 7 | 0.282 75 | 0.9 | 0.282 743 | -0.8 | 1.9 | 746 | 1 067 | -0.92 |
NO.16 | 131 | 0.075 658 | 0.002 5 | 0.282 691 | 0.9 | 0.282 684 | -2.9 | -0.2 | 828 | 1 199 | -0.92 |
NO.17 | 131 | 0.114 74 | 0.003 7 | 0.282 768 | 0.8 | 0.282 759 | -0.1 | 2.4 | 738 | 1 030 | -0.89 |
NO.18 | 131 | 0.107 606 | 0.003 6 | 0.282 725 | 0.8 | 0.282 716 | -1.7 | 0.9 | 801 | 1 127 | -0.89 |
NO.19 | 131 | 0.097 452 | 0.003 2 | 0.282 711 | 0.9 | 0.282 703 | -2.2 | 0.4 | 815 | 1 157 | -0.9 |
NO.20 | 131 | 0.114 232 | 0.003 8 | 0.282 695 | 0.8 | 0.282 686 | -2.7 | -0.2 | 852 | 1 196 | -0.89 |
NO.22 | 131 | 0.112 2 | 0.003 6 | 0.282 734 | 0.8 | 0.282 725 | -1.4 | 1.2 | 790 | 1 109 | -0.89 |
Table 3 Lu-Hf isotopic composition of zircons from the Xiaokelehe granite porphyry
样品号 | 年龄/Ma | 176Yb/177Hf | 176Lu/177Hf | 176Hf/177Hf | 2σ | 176Hf/177Hf | εHf(0) | εHf(t) | TDM1(Hf) | TDM2(Hf) | fLu/Hf |
---|---|---|---|---|---|---|---|---|---|---|---|
NO.3 | 131 | 0.125 403 | 0.004 1 | 0.282 696 | 0.9 | 0.282 686 | -2.7 | -0.2 | 858 | 1 196 | -0.88 |
NO.6 | 131 | 0.125 485 | 0.004 2 | 0.282 776 | 0.8 | 0.282 766 | 0.1 | 2.7 | 736 | 1 015 | -0.87 |
NO.9 | 131 | 0.138 458 | 0.004 6 | 0.282 736 | 1.2 | 0.282 725 | -1.3 | 1.2 | 808 | 1 108 | -0.86 |
NO.10 | 131 | 0.110 807 | 0.003 7 | 0.282 756 | 0.9 | 0.282 747 | -0.6 | 2 | 757 | 1 059 | -0.89 |
NO.12 | 131 | 0.093 857 | 0.003 1 | 0.282 779 | 0.8 | 0.282 771 | 0.2 | 2.8 | 710 | 1 004 | -0.91 |
NO.13 | 131 | 0.111 407 | 0.003 6 | 0.282 713 | 1 | 0.282 704 | -2.1 | 0.5 | 819 | 1 154 | -0.89 |
NO.14 | 131 | 0.085 994 | 0.002 8 | 0.282 81 | 0.8 | 0.282 803 | 1.4 | 4 | 658 | 931 | -0.92 |
NO.15 | 131 | 0.080 552 | 0.002 7 | 0.282 75 | 0.9 | 0.282 743 | -0.8 | 1.9 | 746 | 1 067 | -0.92 |
NO.16 | 131 | 0.075 658 | 0.002 5 | 0.282 691 | 0.9 | 0.282 684 | -2.9 | -0.2 | 828 | 1 199 | -0.92 |
NO.17 | 131 | 0.114 74 | 0.003 7 | 0.282 768 | 0.8 | 0.282 759 | -0.1 | 2.4 | 738 | 1 030 | -0.89 |
NO.18 | 131 | 0.107 606 | 0.003 6 | 0.282 725 | 0.8 | 0.282 716 | -1.7 | 0.9 | 801 | 1 127 | -0.89 |
NO.19 | 131 | 0.097 452 | 0.003 2 | 0.282 711 | 0.9 | 0.282 703 | -2.2 | 0.4 | 815 | 1 157 | -0.9 |
NO.20 | 131 | 0.114 232 | 0.003 8 | 0.282 695 | 0.8 | 0.282 686 | -2.7 | -0.2 | 852 | 1 196 | -0.89 |
NO.22 | 131 | 0.112 2 | 0.003 6 | 0.282 734 | 0.8 | 0.282 725 | -1.4 | 1.2 | 790 | 1 109 | -0.89 |
Fig.12 Simplified regional geological map showing the distribution of major molybdenum deposits of the Late Jurassic-Early Cretaceous in the central and northern sections of the Great Xing’an Range
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