RARE EARTH ELEMENTS IN SURFACE SEDIMENTS OF WESTERN SOUTH YELLOW SEA AND THEIR PROVENANCE IMPLICATIONS

XU Gang; LIU Jian; KONG Xianghuai; ZHANG Junqiang; QIU Jiandong

doi:10.3724/SP.J.1140.2012.01011

2012 Vol. 32, No. 1

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Article navigation > Marine Geology & Quaternary Geology > 2012 > 32(1): 11-17

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XU Gang, LIU Jian, KONG Xianghuai, ZHANG Junqiang, QIU Jiandong. RARE EARTH ELEMENTS IN SURFACE SEDIMENTS OF WESTERN SOUTH YELLOW SEA AND THEIR PROVENANCE IMPLICATIONS[J]. Marine Geology & Quaternary Geology, 2012, 32(1): 11-17. doi: 10.3724/SP.J.1140.2012.01011

Citation:

XU Gang, LIU Jian, KONG Xianghuai, ZHANG Junqiang, QIU Jiandong. RARE EARTH ELEMENTS IN SURFACE SEDIMENTS OF WESTERN SOUTH YELLOW SEA AND THEIR PROVENANCE IMPLICATIONS[J]. Marine Geology & Quaternary Geology, 2012, 32(1): 11-17. doi: 10.3724/SP.J.1140.2012.01011

RARE EARTH ELEMENTS IN SURFACE SEDIMENTS OF WESTERN SOUTH YELLOW SEA AND THEIR PROVENANCE IMPLICATIONS

1 Key Laboratory of Marine Hydrocarbon Resources and Environment Geology, Ministry of Land and Resources, Qingdao 266071, China;
2 Qingdao Institute of Marine Geology, Ministry of Land and Resources, 266071, China;
3 Ocean University of China, Qingdao, 266003, PR China

Received Date: 11 September 2011

Revised Date: 20 October 2011

Abstract

Abstract

Rare earth elements were analyzed for the 486 surface samples taken from the western South Yellow Sea. It was found that the contents of rare earth elements increase with the decrease in mean grain size. Mineralogy is another factor to be considered in some stations. The parameters of the Rare earth element, such as the ratio between light rare earth element and heavy rare earth element, Eu abnormity and Ce abnormity have nothing to do with grain size but mainly controlled by the source rock compositions. Therefore, they could be used as effective means to define the provenance of the sediments. The distribution pattern of rare earth elements shows that the chondrite-normalized rare earth element partitioning curve inclines to the right, indicating the enrichment of light rare earth elements. There is moderate negative Eu abnormity, but no Ce abnormity at all. The parameters of the rare earth elements in the study area denote a provenance from the Yellow River.
- Rare Earth Elements /
- Sedimentary characteristics /
- Provenance analyses /
- South Yellow Sea

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References

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