汉江上游黄土常量元素地球化学特征及区域对比
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毛沛妮, 庞奖励, 黄春长, 查小春, 周亚利, 郭永强, 胡慧, 刘涛
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Chemical weathering characteristics and regional comparative study of the loess deposits in the upper Hanjiang River
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Peini MAO, Jiangli PANG, Chunchang HUANG, Xiaochun ZHA, Yali ZHOU, Yongqiang GUO, Hui HU, Tao LIU
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| 表2 汉江上游黄土常量元素含量(g/kg) |
| Tab. 2 The major element contents (g/kg) of the loess in the upper Hanjiang River |
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| 地层 | SiO2 | Al2O3 | Fe2O3 | K2O | CaO | Na2O | MgO | 汉
江
上
游
黄
土 | TS | 472.2~648.2① | 111.2~151.0 | 54.0~66.7 | 24.2~28.1 | 7.4~12.2 | 9.2~18.3 | 16.0~19.6 | | 567.9② | 136.4 | 61.9 | 26.4 | 9.4 | 12.3 | 17.6 | | L0 | 464.7~701.5 | 105.8~150.0 | 44.8~62.6 | 23.7~28.2 | 7.4~10.4 | 9.4~21.9 | 14.2~19.5 | | 592.2 | 127.0 | 54.7 | 25.1 | 8.7 | 14.1 | 16.4 | | S0 | 472.4~652.7 | 109.5~153.8 | 56.1~65.7 | 23.5~29.7 | 7.4~10.7 | 9.8~20.7 | 16.3~20.8 | | 568.6 | 137.8 | 62.4 | 26.5 | 8.6 | 12.9 | 18.2 | | Lt | 480.8~653.7 | 112.5~152. | 53.5~62.3 | 23.6~29.6 | 7.5~9.6 | 9.7~18.4 | 18.1~20.2 | | 570.0 | 136.0 | 60.3 | 26.1 | 8.7 | 13.1 | 19.0 | | L1 | 479.2~642.8 | 102.9~151.4 | 52.7~65.2 | 22.3~29.5 | 7.7~11.4 | 9.7~25.5 | 16.8~22.3 | | 570.1 | 133.1 | 57.8 | 26.3 | 9.5 | 15.0 | 19.8 | | 整体均值 | 464.7~701.5 | 102.9~153.8 | 44.8~66.7 | 22.3~28.2 | 7.4~12.2 | 9.2~25.5 | 14.2~22.3 | | 573.8 | 134.1 | 59.4 | 26.1 | 9.0 | 13.5 | 18.2 | | CV | 0.02 | 0.04 | 0.07 | 0.03 | 0.16 | 0.18 | 0.10 | | 洛川黄土[2] | 575.7 | 119.0 | 48.0 | 20.8 | 77.3 | 14.9 | 20.6 | | 巫山黄土[17] | 662.0 | 133.5 | 52.9 | 23.2 | 36.6 | 12.3 | 16.0 | | 下蜀黄土[13] | 680.7 | 133.2 | 53.0 | 23.5 | 10.0 | 9.2 | 16.1 | | UCC[31] | 660.0 | 152.0 | 50.0 | 34.0 | 39.0 | 42.0 | 22.0 |
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