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3 玛湖凹陷下二叠统玛页1井风城组不同深度烃源岩稀土元素分析结果
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Table 3 REE analysis results of different depth source rocks of Lower Permian Fengcheng Formation in Well Maye1, Mahu Sag
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| 层位 | 序号 | 深度 /m | ∑REE | ∑LREE | ∑HREE | ∑LREE/ ∑HREE | （La/Yb）N | （Ce/Yb）N | （Gd/Yb）N | δEuS | δEuN | δCeS | δCeN | Ceanom |
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| P1f3 | 1 | 4 582 | 84.4 | 67.6 | 16.8 | 4.0 | 3.41 | 2.19 | 0.90 | 0.84 | 0.62 | 0.79 | 0.83 | -0.10 | | 2 | 4 590 | 236.1 | 205.3 | 30.8 | 6.7 | 5.82 | 5.19 | 1.82 | 0.91 | 0.66 | 0.86 | 0.95 | -0.02 | | 3 | 4 601 | 83.8 | 73.5 | 10.3 | 7.1 | 7.62 | 5.21 | 1.50 | 1.10 | 0.81 | 0.86 | 0.89 | -0.07 | | 4 | 4 611 | 24.1 | 20.4 | 3.7 | 5.5 | 4.36 | 2.91 | 0.97 | 1.13 | 0.83 | 0.82 | 0.86 | -0.09 | | 5 | 4 618 | 31.4 | 28.7 | 2.6 | 10.9 | 10.96 | 6.00 | 0.98 | 1.00 | 0.72 | 0.75 | 0.77 | -0.14 | | 平均值 | 91.9 | 79.1 | 12.8 | 6.9 | 6.43 | 4.30 | 1.23 | 0.99 | 0.73 | 0.82 | 0.86 | -0.09 | | P1f2 | 6 | 4 627 | 102.7 | 89.0 | 13.8 | 6.5 | 6.08 | 3.93 | 1.16 | 0.95 | 0.70 | 0.81 | 0.84 | -0.09 | | 7 | 4 647 | 97.0 | 88.0 | 9.0 | 9.7 | 13.12 | 7.18 | 1.74 | 1.06 | 0.77 | 0.73 | 0.75 | -0.15 | | 8 | 4 660 | 86.8 | 69.0 | 17.8 | 3.9 | 3.08 | 2.77 | 1.02 | 1.00 | 0.75 | 0.95 | 1.03 | 0.01 | | 9 | 4 680 | 81.0 | 68.7 | 12.3 | 5.6 | 5.56 | 4.74 | 1.75 | 0.95 | 0.70 | 0.95 | 1.02 | 0.00 | | 10 | 4 690 | 50.0 | 42.1 | 7.9 | 5.3 | 5.26 | 3.11 | 1.06 | 0.91 | 0.67 | 0.77 | 0.80 | -0.13 | | 11 | 4 710 | 128.3 | 101.7 | 26.7 | 3.8 | 5.86 | 5.13 | 3.22 | 0.95 | 0.72 | 0.90 | 0.98 | -0.02 | | 12 | 4 720 | 62.7 | 54.1 | 8.6 | 6.3 | 4.92 | 3.79 | 0.86 | 0.91 | 0.67 | 0.93 | 0.98 | -0.02 | | 13 | 4 740 | 38.5 | 32.8 | 5.7 | 5.8 | 4.89 | 3.73 | 0.84 | 0.99 | 0.73 | 0.96 | 1.00 | -0.02 | | 14 | 4 760 | 79.3 | 72.8 | 6.6 | 11.1 | 11.44 | 8.65 | 1.56 | 1.01 | 0.73 | 0.92 | 0.97 | -0.03 | | 15 | 4 770 | 86.2 | 74.6 | 11.6 | 6.4 | 7.04 | 5.35 | 1.77 | 1.03 | 0.76 | 0.87 | 0.93 | -0.05 | | 16 | 4 790 | 53.2 | 46.2 | 7.0 | 6.6 | 6.78 | 5.64 | 1.74 | 0.99 | 0.73 | 0.93 | 1.00 | -0.01 | | 17 | 4 800 | 94.9 | 86.2 | 8.7 | 9.9 | 10.14 | 8.67 | 2.05 | 1.04 | 0.74 | 0.91 | 0.98 | -0.01 | | 平均值 | 80.1 | 68.8 | 11.3 | 6.7 | 7.02 | 5.22 | 1.56 | 0.98 | 0.72 | 0.88 | 0.94 | -0.04 | | P1f1 | 18 | 4 820 | 80.6 | 70.1 | 10.5 | 6.7 | 5.98 | 4.93 | 1.40 | 1.11 | 0.82 | 0.93 | 0.99 | -0.01 | | 19 | 4 830 | 60.2 | 53.2 | 7.0 | 7.6 | 7.87 | 6.46 | 2.06 | 0.99 | 0.72 | 0.88 | 0.95 | -0.04 | | 20 | 4 840 | 31.8 | 28.5 | 3.3 | 8.6 | 7.96 | 6.85 | 1.66 | 0.98 | 0.71 | 0.95 | 1.02 | 0.01 | | 21 | 4 852 | 116.4 | 106.1 | 10.3 | 10.3 | 15.17 | 12.44 | 3.09 | 1.12 | 0.82 | 0.91 | 0.98 | -0.02 | | 22 | 4 862 | 78.4 | 61.3 | 17.1 | 3.6 | 3.31 | 2.85 | 1.53 | 0.86 | 0.64 | 0.91 | 0.98 | -0.01 | | 23 | 4 870 | 85.5 | 63.4 | 22.1 | 2.9 | 1.88 | 1.95 | 1.50 | 1.40 | 1.05 | 0.89 | 1.00 | 0.00 | | 24 | 4 880 | 127.6 | 110.4 | 17.2 | 6.4 | 7.52 | 5.57 | 1.84 | 0.80 | 0.59 | 0.82 | 0.88 | -0.06 | | 25 | 4 910 | 194.6 | 101.4 | 93.1 | 1.1 | 0.86 | 0.69 | 0.80 | 0.38 | 0.29 | 0.87 | 0.93 | -0.05 | | 平均值 | 96.9 | 74.3 | 22.6 | 5.9 | 6.32 | 5.22 | 1.74 | 0.96 | 0.70 | 0.89 | 0.97 | -0.02 |
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