Geochemical Characteristics and Provenance Analysis of REE in Surface Sediments From Xining Section of Huangshui River

被引：0
|
作者：
Xu S. [1 ]
Yang S. [1 ]
Hu T. [1 ]
Yang T. [1 ]
Bai M. [1 ]
机构：
[1] Department of Geological Engineering, Qinghai University, Xining
来源：
Zhongguo Xitu Xuebao/Journal of the Chinese Rare Earth Society | 2022年 / 40卷 / 04期
关键词：
Geochemistry; Influencing factors; REE; Source; Surface sediments; Xining section of Huangshui River;
D O I：
10.11785/S1000-4343.20220419
中图分类号：
学科分类号：
摘要：
The geochemical contents of rare earth element (REE) in 28 samples collected from surface sediments in Xining section of Huangshui River were determined. The contents, characteristic parameters and distribution patterns of REE were analyzed, and influencing factors and source of REE were discussed. The results showed that total REE contents in surface sediments from Xining section of Huangshui River ranged from 89.75 to 217.58 mg·kg-1, with an average of 153.56 mg·kg-1. The variation trend of REE contents from 28 samples were consistent, and the changes of composition characteristics were small. LREE was relatively enriched, and HREE was relatively depleted with moderate negative Eu anomalies and without Ce anomalies. The source rock and mineral compositions of sedimentary rocks controlled the compositions of REE in surface sediments from Xining section of Huangshui River, while chemical weathering had no effect on the compositions of REE. The characteristic parameters, upper continental crust-normalized and chondrite-normalized REE patterns were close to soils in Qinghai and sediments in Yellow River, indicating that REE of surface sediments in Xining section of Huangshui River mainly came from weathered materials of Huangshui River and provided a partial source of REE in sediments of the Yellow River. © 2022, Editorial Office of Journal of the Chinese Society of Rare Earths. All right reserved.
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页码：711 / 720
页数：9
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