广西钦州湾表层沉积物常量元素分布特征及其地质意义
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王志军, 王剑, 王克超, 刘建, 王勇峰, 孙中宇
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Distribution of macroelements in surface sediments and their geological implications from Qinzhou Bay, Guangxi
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WANG Zhi-Jun, WANG Jian, WANG Ke-Chao, LIU Jian, WANG Yong-Feng, SUN Zhong-Yu
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表1 研究区表层沉积物中常量元素含量统计
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Table 1 Statistical of constant element content in surface sediments of the study area %
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元素 | 最小值 | 最大值 | 平均值 | 标准差 | 变异 系数 | 上地壳 UCC[18] | SiO2 | 50.74 | 96.29 | 73.23 | 11.56 | 15.78 | 65.90 | Al2O3 | 1.1 | 19.85 | 8.71 | 5.71 | 65.55 | 15.19 | Fe2O3 | 0.69 | 13.91 | 3.65 | 1.96 | 53.63 | 5.00 | CaO | 0.227 | 15.2 | 2.07 | 2.04 | 98.41 | 4.20 | MgO | 0.23 | 2.47 | 1.16 | 0.61 | 52.20 | 2.21 | MnO | 0.02 | 0.13 | 0.05 | 0.021 | 42.0 | 0.08 | TiO2 | 0.169 | 1.24 | 0.62 | 0.19 | 30.30 | 0.50 | P2O5 | 0.02 | 0.25 | 0.08 | 0.04 | 52.84 | 0.16 | K2O | 0.11 | 2.2 | 1.01 | 0.63 | 61.87 | 3.37 | Na2O | 0.174 | 3.19 | 1.07 | 0.70 | 65.24 | 3.90 |
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