青藏高原东北部全新世常量元素地球化学特征及环境演变
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胡梦珺, 庄静, 孙文丽, 郑登友, 吉天琪, 许澳康
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Geochemical characteristics of major elements and environmental evolution in the Holocene in the northeastern Tibetan Plateau
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Mengjun Hu, Jing Zhuang, Wenli Sun, Dengyou Zheng, Tianqi Ji, Aokang Xu
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表3 ZK剖面常量元素氧化物含量(%)
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Table 3 Content of major element oxides of the ZK profile
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氧化物 | 地 层 | 全剖面 |
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ZK1 | ZK2 | ZK3 | ZK4 | ZK5 | ZK6 | ZK7 | ZK8 | ZK9 | 平均值 | 标准差 | 变化范围 |
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SiO2 | 68.92 | 69.83 | 69.31 | 69.42 | 68.65 | 67.76 | 65.72 | 65.71 | 66.23 | 67.85 | 1.85 | 63.73~71.62 | Al2O3 | 9.72 | 9.92 | 9.90 | 9.70 | 10.03 | 9.94 | 10.06 | 9.89 | 9.90 | 9.91 | 0.27 | 9.44~10.58 | Fe2O3 | 3.02 | 3.07 | 3.09 | 3.09 | 3.21 | 3.12 | 3.14 | 3.17 | 3.21 | 3.13 | 0.10 | 2.92~3.42 | MgO | 1.08 | 1.09 | 1.10 | 1.07 | 1.17 | 1.19 | 1.30 | 1.26 | 1.24 | 1.18 | 0.11 | 1.00~1.47 | CaO | 4.22 | 3.92 | 3.97 | 3.84 | 4.31 | 5.10 | 5.44 | 5.09 | 4.90 | 4.59 | 0.65 | 3.49~6.28 | Na2O | 2.39 | 2.37 | 2.41 | 2.40 | 2.38 | 2.37 | 2.40 | 2.40 | 2.40 | 2.39 | 0.03 | 2.27~2.55 | K2O | 1.87 | 1.92 | 1.90 | 1.86 | 1.92 | 1.91 | 1.91 | 1.89 | 1.90 | 1.90 | 0.05 | 1.77~2.00 |
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