基于沉积物理化性质的雅鲁藏布江中游粉尘物源研究
张焱, 马鹏飞, 曾林, 梁爱民, 张正偲

Study on silt and clay provenance in the Yarlung Zangbo River middle reaches using sediment physicochemical characteristics
Yan Zhang, Pengfei Ma, Lin Zeng, Aimin Liang, Zhengcai Zhang
表2 5种类型地表常量元素平均含量(%
Table 2 The mean compositions of major elements for five landscapes
元素河岸(N=6)河漫滩(N=12)林地(N=10)河漫滩沙丘(N=6)沙丘(N=35)
SiO262.74±0.5562.19±0.9763.39±0.5461.50±0.7762.7±0.20
Al2O313.10±0.8714.29±1.5212.78±0.4714.08±1.8713.0±0.50
Fe2O35.34±0.426.02±0.694.72±0.386.75±0.345.0±0.30
CaO2.99±0.342.70±0.392.14±0.362.84±0.332.8±0.70
MgO1.70±0.141.88±0.191.51±0.071.87±0.201.7±0.10
K2O2.42±0.292.51±0.262.45±0.092.45±0.312.5±0.20
Na2O1.83±0.151.77±0.181.85±0.081.70±0.101.8±0.10
其他8.97±1.297.71±1.9110.30±0.567.67±2.069.7±0.70