Meng Xianwei, Chen Zhihua, Wang Xiangqin, Liu Na. Rare earth elements-rich phase and enriching mechanism in sediments from CC area, the Pacific Ocean[J]. Acta Oceanologica Sinica, 2001, (2): 209-214.
Citation:
Meng Xianwei, Chen Zhihua, Wang Xiangqin, Liu Na. Rare earth elements-rich phase and enriching mechanism in sediments from CC area, the Pacific Ocean[J]. Acta Oceanologica Sinica, 2001, (2): 209-214.
Meng Xianwei, Chen Zhihua, Wang Xiangqin, Liu Na. Rare earth elements-rich phase and enriching mechanism in sediments from CC area, the Pacific Ocean[J]. Acta Oceanologica Sinica, 2001, (2): 209-214.
Citation:
Meng Xianwei, Chen Zhihua, Wang Xiangqin, Liu Na. Rare earth elements-rich phase and enriching mechanism in sediments from CC area, the Pacific Ocean[J]. Acta Oceanologica Sinica, 2001, (2): 209-214.
First Institute of Oceanography, State Oceanic Administration, Qingdao 266003, China;Key Lab. of Marine Science and Numerical Modelling, State Oceanic Administration, Qingdao 266003, China
2.
First Institute of Oceanography, State Oceanic Administration, Qingdao 266003, China
Compared to North American shale composition (NASC),REE contents of sediments from the CC area in the Pacific Ocean are obviously high except that cerium has equal content to that of NASC.Three-valence rare earth elements were completely enriched in phosphate-phase and cerium in iron-phase.Rare earth elements in the sediments were originally derived from seawater.During lithigenic and minerogenic processes of metalliferous nodules,three-valence rare earth elements in sediments mobilized and incorporated into sediments as authigenous biogenic-apatite,while cerium had change from Ce3+ to Ce4+ and directly precipitated from seawater and entered metalliferous nodules and caused Ceanomalies in REE pattern in sediments.
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