Source tracing of rare earth elements: A case study of core 07 on the southern coast of Laizhou Bay
Fei, Guo1,2,3; Maosheng, Gao1,2; Guohua, Hou1,2; Sen, Liu1,2; Jing, Wang1,2,4
2017-03-15
发表期刊CONTINENTAL SHELF RESEARCH
卷号136期号:2017页码:29-38
文章类型Article
摘要Rare earth elements (REEs)have proven to be useful indicators of sediment sources. To identify the group of elements most suitable for provenance identification, coastal sediment samples collected from core 07 in Laizhou Bay were analyzed for the presence of REEs. In addition, a corresponding analysis of contributions that different source made to multi-source sedimentary system and provenance discrimination study were undertaken, with the twofold purpose of assessing the effectiveness of REEs as source indicators, and evaluating relative inputs to the sedimentary system on the southern coast of Laizhou Bay from near source and distant origin rivers (i.e. the Bailang River and Yellow River, respectively). The study revealed that various REEs displayed similar cyclic variation in the vertical direction in core 07, with obvious changes at marine continental stratigraphic boundaries, which could be used as stratigraphic division index. According to chondrite-normalized REE distribution patterns, the Bailang River and Yellow River comprise the main provenance of sediments in core 07. REE discrimination diagrams and the Provenance Index (PI) reveal that the sediments in early stage (Qp(3)(3)similar to Qp(3)(1), 49.15-80.00 m) were primarily derived from Yellow River, and the sediments in late stage (Qh(3)similar to Qp(3)(3), 5.80-49.15 m) were stemmed from Bailang River. Following extensive analysis, it was concluded that the main provenance of core 07 was the Bailang River, which has played an important role in the sedimentary system of the southern coast of Laizhou Bay since the early Late Pleistocene. Sediment from the Yellow River, rechannelled frequently in geological history, had limited influence in this area.
关键词Rare Earth Elements Provenance Laizhou Bay Late Pleistocene Yellow River Multi-source Sedimentary System
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.csr.2017.01.002
关键词[WOS]LU FAULT ZONE ; YELLOW SEA ; REE GEOCHEMISTRY ; CLASTIC SEDIMENTS ; SURFACE SEDIMENTS ; EASTERN CHINA ; PROVENANCE ; RIVER ; WATERS ; INDICATORS
收录类别SCI
语种英语
WOS研究方向Oceanography
WOS类目Oceanography
WOS记录号WOS:000397692300003
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5504
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.Qingdao Inst Marine Geol, Key Lab Marine Hydrocarbon Resources & Environm G, Minist Land & Resources, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Mineral Resources, Qingdao 266061, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
4.China Univ Petr, Sch Geosci, Qingdao 266555, Peoples R China
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Fei, Guo,Maosheng, Gao,Guohua, Hou,et al. Source tracing of rare earth elements: A case study of core 07 on the southern coast of Laizhou Bay[J]. CONTINENTAL SHELF RESEARCH,2017,136(2017):29-38.
APA Fei, Guo,Maosheng, Gao,Guohua, Hou,Sen, Liu,&Jing, Wang.(2017).Source tracing of rare earth elements: A case study of core 07 on the southern coast of Laizhou Bay.CONTINENTAL SHELF RESEARCH,136(2017),29-38.
MLA Fei, Guo,et al."Source tracing of rare earth elements: A case study of core 07 on the southern coast of Laizhou Bay".CONTINENTAL SHELF RESEARCH 136.2017(2017):29-38.
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