柴达木盆地西北部长垄状雅丹沉积物地球化学元素组成及指示意义
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郜学敏, 屈欣, 王萌, 张思悦, 张姚姚, 李继彦
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Composition of geochemical elements and its implications for long-ridge yardang in the northwestern Qaidam Basin， China
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Xuemin Gao, Xin Qu, Meng Wang, Siyue Zhang, Yaoyao Zhang, Jiyan Li
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表2 长垄状雅丹及对比沉积物微量元素含量 (μg·g-1)
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Table 2 Contents of trace elements for long-ridge yardang and the other compared sediments
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| 样品 | Cl | V | Cr | Co | Ni | Cu | Zn | Ga | As | Br | Rb | Sr | Y | Zr | Nb | Ba | La | Ce | Nd | Pb |
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| 表层 | 29 328.4 | 26.2 | 22.9 | 3.4 | 9.7 | 11.1 | 18.8 | 5.6 | 3.5 | 1.0 | 26.7 | 1 161.0 | 7.1 | 87.9 | 4.3 | 701.9 | 22.5 | / | 11.0 | 12.5 | | 0—10 cm | 101 538.5 | 24.0 | 16.1 | 3.1 | 9.7 | 13.6 | 12.5 | 6.7 | 9.1 | 0.6 | 41.2 | 710.0 | 10.1 | 153.0 | 5.7 | 722.4 | 21.0 | / | 12.2 | 10.5 | | 20—30 cm | 102 665.7 | 27.5 | 23.8 | 2.8 | 15.1 | 12.7 | 15.9 | 8.5 | 13.5 | 11.3 | 49.9 | 435.6 | 9.8 | 113.8 | 5.8 | 421.4 | 20.4 | / | 7.0 | 5.7 | | 30—220 cm | 124 410.5 | 20.2 | 13.3 | 3.5 | 8.4 | 12.0 | / | 6.4 | 8.5 | 4.8 | 42.1 | 967.9 | 8.4 | 174.3 | 4.6 | 497.5 | 23.7 | / | 11.4 | 14.0 | | 220—260 cm | 14 816.8 | 64.2 | 57.4 | 6.4 | 28.2 | 25.8 | 42.6 | 13.6 | 3.4 | 8.6 | 82.4 | 280.3 | 19.4 | 165.6 | 11.8 | 499.6 | 36.0 | / | 15.5 | 12.9 | | 260—300 cm | 7 959.7 | 75.8 | 64.1 | 9.5 | 36.7 | 21.4 | 44.1 | 16.0 | 8.4 | 10.0 | 94.3 | 288.7 | 22.5 | 180.8 | 13.8 | 592.6 | 41.1 | 73.5 | 25.3 | 13.9 | | 300—315 cm | 4 880.3 | 57.5 | 48.2 | 8.4 | 30.2 | 22.9 | 35.4 | 10.3 | 12.9 | 5.6 | 52.5 | 1 476.2 | 15.5 | 218.4 | 10.1 | 597.4 | 31.3 | 25.7 | 25.5 | 19.5 | | 315—325 cm | 37 064.9 | 48.4 | 35.1 | 5.6 | 21.5 | 23.6 | 19.9 | 12.2 | 5.5 | 3.2 | 69.8 | 1 034.4 | 13.2 | 168.2 | 6.6 | 1 078.3 | 37.2 | 16.0 | 20.6 | 17.8 | | 325—350 cm | 29 038.1 | 62.5 | 51.6 | 6.6 | 32.0 | 48.1 | 40.2 | 12.9 | 7.7 | 7.2 | 82.5 | 930.7 | 14.7 | 151.3 | 8.7 | 689.8 | 29.3 | / | 22.9 | 15.9 | | 350—357 cm | 19 929.8 | 62.3 | 44.7 | 7.1 | 29.5 | 34.2 | 33.7 | 14.0 | 6.5 | 9.0 | 82.9 | 1 345.0 | 13.6 | 128.2 | 6.6 | 922.9 | 26.5 | 46.0 | 25.7 | 16.5 | | 357—395 cm | 11 999.0 | 90.3 | 78.1 | 9.9 | 42.5 | 31.9 | 71.9 | 18.2 | 9.0 | 3.4 | 113.8 | 753.6 | 19.7 | 164.7 | 12.2 | 567.7 | 36.7 | 59.6 | 29.0 | 18.5 | | 395—465 cm | 26 549.7 | 24.7 | 15.7 | 4.1 | 10.8 | 16.6 | 3.5 | 9.7 | 16.7 | 9.6 | 76.8 | 1 062.9 | 7.0 | 86.2 | 3.1 | 748.3 | 39.8 | / | 14.7 | 16.4 | | 465—550 cm | 9 992.2 | 67.7 | 61.7 | 6.9 | 29.3 | 22.6 | 45.7 | 14.0 | 9.8 | 3.2 | 85.9 | 503.5 | 18.8 | 214.9 | 11.2 | 653.9 | 45.9 | / | 24.3 | 15.4 | | 550—600 cm | 7 091.4 | 36.8 | 24.2 | 4.9 | 12.9 | 17.3 | 8.6 | 8.6 | 28.2 | 1.8 | 26.1 | 3 881.0 | 5.9 | 135.7 | / | 3 314.5 | 56.3 | / | 33.9 | 37.1 | | 廊道流沙 | 5 043.9 | 46.3 | 26.9 | 49.7 | 16.1 | 10.8 | 10.8 | 12.4 | 5.5 | / | 82.9 | 536.3 | 19.5 | 263.8 | 11.9 | 643.3 | 27.5 | 42.7 | 18.3 | 14.3 | | UCC | 640 | 107 | 85 | 17 | 44 | 25 | 71 | 17 | 1.5 | 1.6 | 112 | 350 | 22 | 190 | 12 | 550 | 30 | 64 | 26 | 17 |
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