准噶尔盆地玛湖凹陷风城组烃源岩沉积古环境
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唐勇,郑孟林,王霞田,王韬,谢再波,秦臻,黑晨露,成虎,高远,陶辉飞
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Sedimentary paleoenvironment of source rocks of Fengcheng Formation in Mahu Sag, Junggar Basin
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Yong TANG,Menglin ZHENG,Xiatian WANG,Tao WANG,Zaibo XIE,Zhen QIN,Chenlu HEI,Hu CHENG,Yuan GAO,Huifei TAO
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表1 玛湖凹陷下二叠统玛页1井风城组不同深度烃源岩主量元素分析结果 (%)
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Table 1 Major element analysis results of different depth source rocks of Fengcheng Formation of Lower Permian in Well Maye 1, Mahu Sag
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层位 | 序号 | 深度/m | TOC | K2O | CaO | Na2O | MgO | Al2O3 | SiO2 | P2O5 | Fe2O3 | MnO | TiO2 | LOI | CIA | ICV |
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P1f3 | 1 | 4 582 | 2.55 | 2.57 | 9.49 | 1.08 | 3.05 | 10.68 | 53.30 | 0.09 | 4.63 | 0.07 | 0.53 | 10.54 | 0.45 | 2.00 | 2 | 4 590 | 0.61 | 2.76 | 7.61 | 5.07 | 1.86 | 13.48 | 54.89 | 0.26 | 4.51 | 0.10 | 0.56 | 7.22 | 0.47 | 1.66 | 3 | 4 601 | 0.22 | 5.65 | 4.67 | 2.79 | 4.28 | 11.00 | 57.34 | 0.08 | 4.32 | 0.09 | 0.48 | 7.75 | 0.46 | 2.02 | 4 | 4 611 | 0.34 | 8.02 | 4.32 | 1.90 | 4.26 | 12.02 | 55.16 | 0.05 | 4.05 | 0.07 | 0.37 | 6.96 | 0.46 | 1.91 | 5 | 4 618 | 0.61 | 2.52 | 8.72 | 1.32 | 9.78 | 4.93 | 52.95 | 0.02 | 2.51 | 0.06 | 0.21 | 15.13 | 0.28 | 5.08 | 平均值 | 0.87 | 4.30 | 6.96 | 2.43 | 4.65 | 10.42 | 54.73 | 0.10 | 4.00 | 0.08 | 0.43 | 9.52 | 0.42 | 2.53 | P1f2 | 6 | 4 627 | 0.17 | 4.02 | 4.49 | 4.33 | 4.78 | 12.08 | 55.11 | 0.07 | 5.82 | 0.11 | 0.60 | 7.71 | 0.48 | 1.99 | 7 | 4 647 | 0.13 | 5.46 | 1.64 | 4.99 | 2.27 | 14.56 | 59.84 | 0.09 | 5.80 | 0.08 | 0.46 | 4.21 | 0.55 | 1.42 | 8 | 4 660 | 1.01 | 2.81 | 10.05 | 3.03 | 7.54 | 8.07 | 46.86 | 0.08 | 3.60 | 0.09 | 0.45 | 15.09 | 0.34 | 3.41 | 9 | 4 680 | 0.36 | 4.78 | 2.75 | 4.91 | 3.77 | 13.26 | 56.25 | 0.07 | 6.84 | 0.12 | 0.66 | 6.56 | 0.52 | 1.79 | 10 | 4 690 | 0.28 | 3.42 | 8.21 | 3.18 | 7.23 | 8.74 | 50.94 | 0.03 | 3.23 | 0.11 | 0.31 | 12.36 | 0.37 | 2.93 | 11 | 4 710 | 1.06 | 2.75 | 11.95 | 4.19 | 5.12 | 8.79 | 42.20 | 0.11 | 4.84 | 0.11 | 0.37 | 14.32 | 0.32 | 3.32 | 12 | 4 720 | 0.98 | 3.07 | 9.79 | 2.26 | 9.97 | 6.71 | 44.97 | 0.02 | 3.57 | 0.08 | 0.51 | 15.97 | 0.31 | 4.35 | 13 | 4 740 | 1.44 | 4.02 | 6.60 | 2.66 | 8.93 | 8.96 | 49.51 | 0.02 | 4.02 | 0.07 | 0.47 | 12.84 | 0.40 | 2.98 | 14 | 4 760 | 0.96 | 4.81 | 7.51 | 1.54 | 6.17 | 7.71 | 54.67 | 0.03 | 2.91 | 0.07 | 0.28 | 11.92 | 0.36 | 3.01 | 15 | 4 770 | 1.07 | 3.87 | 10.50 | 3.28 | 5.13 | 9.89 | 46.41 | 0.08 | 4.18 | 0.09 | 0.42 | 12.48 | 0.36 | 2.77 | 16 | 4 790 | 0.54 | 1.93 | 13.25 | 1.52 | 9.56 | 4.44 | 43.98 | 0.02 | 2.28 | 0.07 | 0.19 | 20.24 | 0.21 | 6.47 | 17 | 4 800 | 0.47 | 4.78 | 10.70 | 1.10 | 8.56 | 6.71 | 46.05 | 0.03 | 3.13 | 0.07 | 0.28 | 16.22 | 0.29 | 4.25 | 平均值 | 0.71 | 3.81 | 8.12 | 3.08 | 6.59 | 9.16 | 49.73 | 0.05 | 4.19 | 0.09 | 0.42 | 12.49 | 0.37 | 3.22 | P1f1 | 18 | 4 820 | 0.20 | 4.54 | 7.21 | 2.06 | 4.18 | 13.18 | 52.58 | 0.08 | 5.95 | 0.10 | 0.60 | 8.05 | 0.49 | 1.86 | 19 | 4 830 | 0.59 | 4.77 | 9.83 | 2.40 | 7.59 | 9.17 | 45.48 | 0.06 | 3.37 | 0.08 | 0.30 | 14.06 | 0.35 | 3.08 | 20 | 4 840 | 1.11 | 7.40 | 5.84 | 1.04 | 4.99 | 9.76 | 56.99 | 0.02 | 2.33 | 0.07 | 0.15 | 9.47 | 0.41 | 2.23 | 21 | 4 852 | 0.86 | 9.99 | 8.31 | 0.38 | 3.98 | 11.42 | 43.33 | 0.02 | 3.92 | 0.10 | 2.99 | 9.03 | 0.38 | 2.59 | 22 | 4 862 | 0.86 | 3.06 | 10.25 | 0.90 | 8.77 | 4.78 | 51.77 | 0.03 | 2.25 | 0.08 | 0.23 | 16.10 | 0.25 | 5.33 | 23 | 4 870 | 0.07 | 1.50 | 8.08 | 5.12 | 6.75 | 14.46 | 45.22 | 0.34 | 9.40 | 0.18 | 1.85 | 6.31 | 0.50 | 2.26 | 24 | 4 880 | 0.69 | 7.46 | 5.09 | 2.89 | 1.64 | 12.86 | 57.59 | 0.06 | 4.34 | 0.10 | 0.49 | 4.17 | 0.45 | 1.70 | 25 | 4 910 | 1.82 | 5.69 | 5.53 | 4.14 | 2.62 | 12.98 | 53.84 | 0.08 | 4.07 | 0.31 | 0.44 | 8.00 | 0.46 | 1.73 | 平均值 | 0.78 | 5.55 | 7.52 | 2.37 | 5.07 | 11.08 | 50.85 | 0.09 | 4.45 | 0.13 | 0.88 | 9.40 | 0.41 | 2.60 | 上地壳[11] | — | 1.88 | 6.40 | 3.20 | 4.40 | 15.80 | 49.50 | 0.20 | 6.60 | 0.14 | 0.70 | — | — | — | 北美页岩[12] | — | 3.24 | 3.11 | 1.30 | 2.44 | 15.40 | 58.10 | 0.17 | 4.02 | 0.12 | 0.65 | — | — | — |
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