红色风化壳地球化学特征及对古气候演变的响应——以辽南石槽剖面为例
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魏东岚, 沈俊杰, 李永化
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Geochemical Characteristics of Red Weathering Crust from Shicao Profile in Southern Liaoning Province and the Response of Paleoclimate Evolution
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Donglan Wei, Junjie Shen, Yonghua Li
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| 表1 石槽剖面常量元素测量结果(%) |
| Table 1 The test results of major elements from the Shicao profile(%) |
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| 编号 | 深度(cm) | SiO2 | Al2O3 | Fe2O3 | K2O | Na2O | CaO | MgO | TiO2 | | S1 | 25 | 52.42 | 24.53 | 9.07 | 2.79 | 0.30 | 0.45 | 1.32 | 0.89 | | S2 | 50 | 55.79 | 22.71 | 8.12 | 2.80 | 0.51 | 0.52 | 1.32 | 0.87 | | S3 | 75 | 50.80 | 26.06 | 10.59 | 3.06 | 0.13 | 0.40 | 1.34 | 0.79 | | S4 | 100 | 49.72 | 26.48 | 10.79 | 3.25 | 0.11 | 0.41 | 1.35 | 0.85 | | S5 | 125 | 57.16 | 21.28 | 7.49 | 4.89 | 0.06 | 0.22 | 2.03 | 0.80 | | S6 | 150 | 53.26 | 24.33 | 9.34 | 3.57 | 0.09 | 0.37 | 1.56 | 0.72 | | S7 | 175 | 55.43 | 23.23 | 8.49 | 3.77 | 0.10 | 0.40 | 1.39 | 0.68 | | S8 | 200 | 51.39 | 25.74 | 9.26 | 3.75 | 0.11 | 0.42 | 1.53 | 0.71 | | S9 | 225 | 60.02 | 20.44 | 5.92 | 5.17 | 0.09 | 0.26 | 1.46 | 0.71 | | S10 | 250 | 57.27 | 21.89 | 6.12 | 5.70 | 0.07 | 0.27 | 1.78 | 0.79 | | S11 | 275 | 54.29 | 23.81 | 7.61 | 4.72 | 0.09 | 0.49 | 1.56 | 0.83 | | S12 | 300 | 57.62 | 20.18 | 6.83 | 2.90 | 0.73 | 0.65 | 1.34 | 0.78 | | S13 | 325 | 57.53 | 21.37 | 7.21 | 2.86 | 0.70 | 0.66 | 1.35 | 0.85 | | 基岩 | 350 | 1.20 | 0.35 | 0.23 | 0.11 | 0.03 | 60.90 | 0.51 | 0.02 | | 平均值 | | 54.82 | 23.23 | 8.22 | 3.79 | 0.24 | 0.42 | 1.49 | 0.79 |
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