Liu Baolin et al. (2004): Geochemical properties of REE in marine sediments on the northern continental slope of the South China Sea and their diagenetic environment
Leg/Site/Hole:
Related Expeditions:
ODP 184
Identifier:
ID:
2009-050240
Type:
georefid
Creator:
Name:
Liu Baolin
Affiliation:
Chinese University of Geosciences, Beijing, China
Role:
author
Name:
Wang Yaping
Affiliation:
National Research Center for Geo-Analysis, China
Role:
author
Name:
Wang Jizhong
Affiliation:
Shijiazhuang University of Economics, China
Role:
author
Name:
Li Jianping
Affiliation:
Role:
author
Name:
Wang Yinhong
Affiliation:
Role:
author
Name:
Cheng Dunwu
Affiliation:
Role:
author
Name:
Li Ye
Affiliation:
Role:
author
Identification:
Title:
Geochemical properties of REE in marine sediments on the northern continental slope of the South China Sea and their diagenetic environment
Year:
2004
Source:
Haiyang Dizhi yu Disiji Dizhi = Marine Geology & Quaternary Geology
Publisher:
Science Press, Beijing, China
Volume:
24
Issue:
4
Pages:
17-23
Abstract:
Through the study of the content of rare earth elements and their distribution pattern in the sediments of ODP Site 1146 of ODP Leg 184, their distribution characteristics are determined, namely, LREE is relatively enriched and Eu is in depletion. The REE distribution patterns in the eastern continental shelf, ocean sediment and loess in China are similar. This shows that sediments in the area came mainly from the continent. The enrichment factor (EF) also shows that the continent is the main source of the sediments. The weak negative anomaly of delta Ce, Sigma REE and delta Eu are mainly controlled by changes in climate and the environment in the continental source area, and they have little relevance to seawater. REE correlate slightly with biological action and may mainly exist in the crystal lattice of clay minerals on the continent. The composition of interstitial water in the sediment shows that the diagenetic environment was mainly a reductive environment. The reductive action of sulfate is above 68 mcd and the biological action of methane is under 68 mcd.
Language:
Chinese
Genre:
Serial
Rights:
URL:
Coverage: Geographic coordinates: North:19.2724 West:116.1622 East:
116.1622 South:19.2724
Keywords: Geochemistry of rocks, soils, and sediments; Oceanography; biochemical sedimentation; chemical composition; chemical properties; continental slope; depositional environment; diagenesis; geochemistry; Leg 184; marine sediments; metals; North Pacific; Northwest Pacific; Ocean Drilling Program; ODP Site 1146; Pacific Ocean; pore water; rare earths; reduction; sedimentation; sediments; South China Sea; sulfates; West Pacific;
.