柴东欧南凹陷上石炭统克鲁克组构造背景、物质来源及沉积环境——来自细粒沉积岩元素地球化学的证据

施辉, 李宗星, 彭博, 孙玉琦, 张浩, 杨元元, 胡俊杰, 方欣欣, 魏小洁

The tectonic setting， material source and paleoenvironment of the Upper Carboniferous Keluke Formation in the Ounan Depression of the eastern Qaidam Basin： Evidence from element geochemistry of fine-grained sedimentary rocks

Hui SHI, Zongxing LI, Bo PENG, Yuqi SUN, Hao ZHANG, Yuanyuan YANG, Junjie HU, Xinxin FANG, Xiaojie WEI

表3 柏树沟剖面C2k 泥页岩微量元素测试结果

Table 3 Trace element results of C2k shales and mudstones in the Baishugou section

样品编号 微量元素/（μg/g） Cr Sr Ba Zr V Rb Zn Ni Pb Cu Y Ga Th U Nb Sc Cs Co Mo Hf BSG-0 101.46 280.12 133.12 104.86 136.47 75.58 22.78 7.29 19.64 34.02 13.00 18.97 13.23 45.82 11.74 10.73 7.40 1.83 5.17 3.29 BSG-1 135.98 213.22 313.64 92.45 100.58 112.31 43.95 43.64 24.81 27.10 14.02 18.69 14.20 3.95 9.85 8.70 7.23 6.83 2.33 2.68 BSG-2 129.94 243.47 145.87 75.64 236.87 59.72 65.32 31.16 28.66 49.81 19.88 21.39 17.86 23.41 7.55 11.67 5.81 18.97 49.98 2.02 BSG-3 93.92 722.43 111.49 14.16 20.45 16.68 20.14 11.14 20.85 26.22 8.45 3.51 3.67 2.67 1.78 2.53 1.29 2.36 2.78 0.42 BSG-4 154.25 224.43 166.67 106.87 104.77 98.84 32.46 30.68 31.13 52.40 19.14 22.22 17.06 38.18 9.21 13.34 9.61 9.56 2.15 2.88 BSG-5 387.28 100.66 55.11 75.66 31.29 21.49 9.22 6.68 8.63 20.48 5.83 7.45 7.22 2.63 6.02 2.49 1.12 1.06 1.54 2.23 BSG-6 215.29 144.84 268.63 206.48 148.33 126.49 23.35 68.28 53.28 13.93 28.44 25.01 24.65 6.66 19.79 14.82 13.65 3.20 1.56 6.25 BSG-7 183.54 273.25 275.57 78.24 59.44 115.63 77.24 67.52 30.45 26.52 51.38 19.04 18.56 7.45 8.92 10.07 11.69 4.41 2.06 2.57 BSG-8 2.62 382.26 145.97 16.47 2.33 1.01 19.72 24.74 2.43 7.21 4.66 0.42 0.18 1.27 0.13 0.30 0.27 7.49 0.19 0.42 BSG-9 0.37 58.21 16.39 4.00 0.46 0.24 7.21 3.48 0.82 0.81 2.16 0.28 0.10 1.07 0.07 0.11 0.04 0.15 0.16 0.14 BSG-10 77.84 613.41 259.18 101.54 65.62 82.12 59.73 12.10 49.01 13.83 14.14 19.08 11.64 5.53 9.84 9.92 8.08 2.69 2.01 3.08 BSG-11 117.23 354.75 270.92 172.06 97.32 118.31 114.48 60.43 48.24 19.29 25.72 26.14 16.96 4.28 15.46 16.85 12.13 19.45 1.01 4.73 BSG-12 204.96 142.39 347.37 169.57 121.98 128.54 113.87 86.29 21.74 18.36 19.98 26.94 16.45 3.89 17.72 18.26 13.11 11.63 1.36 4.75 BSG-13 5 623.50 1 066.56 205.07 25.72 82.53 18.25 27.79 52.70 16.09 13.00 19.29 7.71 3.03 4.55 2.25 4.48 1.04 10.18 3.82 0.77 BSG-14 150.76 79.72 238.84 170.62 62.28 135.85 98.52 63.77 24.02 30.31 18.51 19.00 18.57 3.75 12.82 11.90 19.11 16.80 0.53 5.08 BSG-15 183.52 36.23 58.97 369.24 157.53 32.96 28.46 89.58 10.72 4.44 34.21 32.63 31.22 11.39 30.18 24.61 18.32 10.78 0.83 9.66 平均值 485.15 308.50 188.30 111.47 89.26 71.50 47.76 41.22 24.41 22.36 18.68 16.78 13.41 10.41 10.21 10.05 8.12 7.96 4.84 3.18 EF元素 11.23 2.44 0.46 0.84 0.94 0.71 0.89 1.19 1.93 0.71 1.10 1.33 1.46 5.32 0.85 — 0.86 0.55 7.67 1.01