鄂尔多斯盆地东部本溪组一段泥页岩元素地球化学特征

崔晨光,张辉,刘文香,李仕芳,刘燕,宋换新,吴陈君,文志刚

Element geochemical characteristics of shale in the First Member of Benxi Formation in eastern Ordos Basin： Take Zhaoxian section and Well M115 in Linxian County， Shanxi as examples

Chenguang CUI,Hui ZHANG,Wenxiang LIU,Shifang LI,Yan LIU,Huanxin SONG,Chenjun WU,Zhigang WEN

表1 本溪组1段元素含量分析测试结果

Table 1 Test results of element content analysis in the First Member of Benxi Formation

编号 层位 SiO2/% Al2O3/% 微量元素/10-6 Sr/Ba Ba/Ga V/ （V+Ni） Ceanom Th/U CIA Sr/Cu C值 P/Ti TOC/% Sr V Ni Ba Cu Mo Ga Th Z-S12 招贤剖面C2b1?上 57.39 24.23 217.26 95.93 12.88 169.32 13.41 0.47 31.04 20.57 1.28 5.45 0.88 -0.03 4.94 91.30 16.20 0.73 0.11 2.93 Z-S11 59.46 24.01 222.63 96.24 9.14 190.31 8.33 0.45 31.48 20.38 1.17 6.05 0.91 -0.05 4.86 91.06 26.73 0.31 0.09 2.29 Z-S10 56.27 21.29 193.25 91.81 52.91 148.53 19.83 0.62 26.88 15.74 1.30 5.53 0.63 -0.02 3.82 91.74 9.75 2.54 0.16 2.25 Z-S9 48.10 17.11 298.55 81.22 26.90 202.87 12.72 0.94 24.34 17.16 1.47 8.34 0.75 -0.04 4.54 90.00 23.47 1.12 0.16 1.62 Z-S8 58.05 22.77 270.02 94.04 22.58 167.83 22.61 0.50 31.10 20.40 1.61 5.40 0.81 -0.06 4.98 91.42 11.94 0.79 0.13 2.98 Z-S7 59.02 24.14 222.90 96.23 52.34 187.36 23.38 0.49 29.41 18.60 1.19 6.37 0.65 -0.04 3.38 91.38 9.53 0.36 0.17 2.03 Z-S6 55.56 21.66 339.26 68.78 11.14 3648.07 14.87 0.57 33.65 17.44 0.09 108.42 0.86 -0.07 3.21 90.17 22.82 0.35 0.14 12 Z-S5 招贤剖面C2b1下 57.98 20.47 149.25 134.39 57.61 289.23 28.04 0.43 27.77 17.82 0.52 10.42 0.70 -0.05 4.54 83.52 5.32 1.38 0.10 1.97 Z-S4 61.55 22.31 184.10 167.13 10.49 336.66 12.91 0.72 32.76 22.25 0.55 10.28 0.94 -0.02 3.44 82.63 14.26 0.24 0.08 1.74 Z-S3 58.54 23.75 201.47 175.50 26.01 357.14 23.02 0.23 34.39 21.80 0.56 10.38 0.87 -0.02 4.40 83.80 8.75 0.41 0.08 1.66 Z-S2 64.61 21.00 180.29 89.51 14.48 132.49 20.09 0.32 28.28 14.48 1.36 4.68 0.87 -0.04 4.57 92.17 8.97 1.28 0.14 1.26 Z-S1 47.05 35.77 34.14 99.32 34.39 45.50 4.28 1.31 36.74 6.22 0.75 1.24 0.74 -0.03 1.15 99.01 7.80 2.60 0.02 1.09 M-S9 M115井C2b1?上 50.48 32.69 270.82 93.75 11.29 108.47 14.17 0.39 43.36 20.75 2.50 2.50 0.89 -0.02 4.97 97.06 19.12 1.08 0.07 1.01 M-S8 47.75 17.98 403.32 168.82 26.85 250.11 17.99 2.90 26.86 14.46 1.61 9.31 0.86 -0.03 1.98 86.97 22.42 2.04 1.56 1.44 M-S7 60.23 24.45 88.54 199.45 22.68 281.2 25.48 0.42 33.89 17.94 0.31 8.30 0.90 -0.04 3.44 88.68 3.47 0.22 0.08 1.42 M-S6 46.03 28.06 354.52 207.49 86.45 188.57 81.31 1.02 36.84 21.35 1.88 5.12 0.71 -0.01 2.26 93.74 4.36 1.61 0.15 5.33 M-S5 M115井C2b1?下 58.40 20.39 203.99 133.65 22.37 318.89 26.61 0.35 28.37 17.54 0.64 11.24 0.86 -0.05 4.49 85.60 7.67 1.15 0.12 2.57 M-S4 64.22 20.06 75.27 202.86 28.4 351.14 22.16 0.19 33.04 20.28 0.21 10.63 0.88 -0.03 3.56 83.65 3.40 0.15 0.09 0.83 M-S3 53.53 29.62 339.09 144.74 55.25 190.24 33.65 0.48 34.08 34.66 1.78 5.58 0.72 0.00 3.46 93.19 10.08 0.58 0.12 0.81 M-S2 47.63 34.55 138.09 94.62 21.56 91.15 5.67 1.48 48.48 8.73 1.51 1.88 0.81 -0.18 0.69 97.49 24.35 1.15 0.03 0.46 M-S1 49.93 34.11 221.73 108.88 39.27 180.15 4.7 0.32 41.72 20.07 1.23 4.32 0.73 -0.04 3.49 94.85 47.18 0.13 0.03 0.67