柴达木盆地西南缘山前沙丘区沉积物地球化学特征及其指示意义
张思悦, 李继彦, 张姚姚, 徐德华

Geochemical characteristics and implications of sediments in the piedmont of southwestern Qaidam Basin, China
Siyue Zhang, Jiyan Li, Yaoyao Zhang, Dehua Xu
表2 研究区不同地貌单元表层沉积物及对比样品的常量元素含量(%
Table 2 Contents of major elements in the different landforms' surface sediments and contrast samples%
样品SiO2Al2O3TFe2O3CaOMgOK2ONa2OP2O5TiO2MnOCIA
GB(n=15)平均值63.789.672.436.371.752.412.430.110.400.0547.95
变异系数0.080.080.200.240.180.140.190.190.210.20/
QJD(n=4)平均值67.7110.242.195.251.552.672.570.090.340.0447.55
变异系数0.070.100.300.370.360.140.160.290.380.31/
QD(n=15)平均值70.4910.501.734.591.082.692.920.060.260.0345.63
变异系数0.050.070.180.350.240.050.100.120.240.18/
R(n=17)平均值67.4110.282.485.461.542.502.500.100.380.0548.72
变异系数0.070.060.270.290.310.130.150.320.320.27/
L(n=2)平均值70.9810.801.704.301.122.852.630.070.230.0447.89
变异系数0.040.030.200.110.220.120.080.130.200.17/
DQ/58.8810.623.617.742.142.042.14/0.53/71.59
ZYC/66.9312.603.560.801.432.731.730.080.650.0364.09
CK/71.5410.912.100.940.962.481.870.030.610.0359.63
WL/70.4914.112.810.681.203.241.550.040.720.0266.23
GJS/69.5512.343.590.911.422.581.860.060.700.0462.70
DDL/55.6611.044.4610.302.682.381.410.150.710.0860.50
TG/62.809.632.309.051.961.982.360.090.360.0568.75
UCC/65.8915.175.004.192.203.393.890.200.500.0647.92
PAAS/62.8018.907.221.302.203.701.200.161.000.1170.38