柴达木盆地西北部长垄状雅丹沉积物地球化学元素组成及指示意义
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郜学敏, 屈欣, 王萌, 张思悦, 张姚姚, 李继彦
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Composition of geochemical elements and its implications for long-ridge yardang in the northwestern Qaidam Basin, China
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Xuemin Gao, Xin Qu, Meng Wang, Siyue Zhang, Yaoyao Zhang, Jiyan Li
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表1 长垄状雅丹及对比沉积物常量元素含量(%)
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Table 1 Contents of major elements for long-ridge yardang and the other compared sediments
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样品 | SiO2 | Al2O3 | Fe2O3 | MgO | CaO | Na2O | K2O | P2O5 | TiO2 | MnO | CIA |
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表层 | 14.01 | 5.61 | 1.56 | 11.20 | 14.28 | 5.51 | 0.56 | 0.06 | 0.18 | 0.04 | 23.06 | 0—10 cm | 21.04 | 7.56 | 1.51 | 10.49 | 7.04 | 12.35 | 1.28 | 0.08 | 0.22 | 0.04 | 17.97 | 20—30 cm | 23.95 | 8.00 | 1.65 | 9.95 | 6.57 | 14.28 | 0.99 | 0.07 | 0.21 | 0.03 | 17.97 | 30—220 cm | 28.25 | 8.64 | 1.21 | 6.48 | 5.41 | 16.29 | 0.84 | 0.07 | 0.20 | 0.04 | 18.71 | 220—260 cm | 39.87 | 11.80 | 3.92 | 8.56 | 8.50 | 3.14 | 1.88 | 0.13 | 0.47 | 0.08 | 48.82 | 260—300 cm | 51.05 | 11.89 | 4.25 | 3.71 | 9.55 | 2.41 | 2.42 | 0.14 | 0.57 | 0.08 | 52.97 | 300—315 cm | 34.28 | 8.26 | 3.65 | 2.71 | 23.87 | 2.07 | 1.60 | 0.10 | 0.43 | 0.07 | 49.20 | 315—325 cm | 45.63 | 11.44 | 2.42 | 3.07 | 10.71 | 6.48 | 1.79 | 0.10 | 0.35 | 0.07 | 32.97 | 325—350 cm | 38.91 | 11.46 | 3.21 | 4.27 | 12.35 | 4.55 | 2.06 | 0.10 | 0.39 | 0.07 | 39.96 | 350—357 cm | 45.69 | 13.15 | 3.11 | 4.35 | 11.44 | 3.25 | 2.30 | 0.10 | 0.39 | 0.09 | 49.95 | 357—395 cm | 43.11 | 13.44 | 4.54 | 4.26 | 11.58 | 2.76 | 2.87 | 0.10 | 0.53 | 0.08 | 52.47 | 395—465 cm | 41.30 | 13.10 | 1.53 | 9.05 | 7.65 | 4.58 | 1.98 | 0.08 | 0.17 | 0.06 | 43.22 | 465—550 cm | 39.67 | 12.81 | 4.17 | 9.00 | 8.17 | 2.67 | 2.03 | 0.11 | 0.46 | 0.07 | 53.86 | 550—600 cm | 33.79 | 10.10 | 1.48 | 2.20 | 25.51 | 3.27 | 1.35 | 0.06 | 0.32 | 0.04 | 45.29 | 廊道流沙 | 55.52 | 9.78 | 2.31 | 1.98 | 8.18 | 3.86 | 1.93 | 0.10 | 0.53 | 0.06 | 39.78 | 戈壁 | 69.88 | 6.49 | 1.82 | 0.87 | 4.51 | 2.97 | 1.36 | 0.10 | 0.35 | 0.05 | 36.57 | 线形沙丘 | 73.09 | 7.78 | 1.74 | 0.96 | 4.36 | 3.49 | 1.72 | 0.07 | 0.35 | 0.04 | 36.83 | 九州台黄土 | 53.71 | 11.26 | 4.39 | 2.36 | 9.56 | 1.57 | 2.37 | 0.16 | 0.62 | 0.08 | 59.29 | UCC | 65.89 | 15.17 | 5.00 | 2.20 | 4.19 | 3.89 | 3.39 | 0.20 | 0.50 | 0.06 | 47.95 | PAAS | 62.80 | 18.90 | 7.22 | 2.20 | 1.30 | 1.20 | 3.70 | 0.16 | 1.00 | 0.11 | 70.38 |
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