青藏高原东北部晚第四纪黄土-古土壤的元素组成及其物源指示
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Elemental compositions of the late Quaternary loess-paleosol on the northeastern Qinghai-Tibet Plateau and their implications for provenance
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图3. 青藏高原东北部各类样品常量元素含量平均值UCC标准化图 |
Fig.3. UCC-normalized abundances of major elements (average value) for different samples from the northeastern Qinghai-Tibet Plateau |
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