Key Laboratory of Marine Eco-environmental Science and Technology Marine Bioresource and Environment Research Center First Institute of Oceanography Ministry of Natural Resources Qingdao 266061 China;
Key Laboratory of Marine Eco-environmental Science and Technology Marine Bioresource and Environment Research Center First Institute of Oceanography Ministry of Natural Resources Qingdao 266061 ChinaLaboratory of Marine Drugs and Bioproducts Qingdao National Laboratory for Marine Science and Technology Qingdao 266071 China;
Key Laboratory of Marine Eco-environmental Science and Technology Marine Bioresource and Environment Research Center First Institute of Oceanography Ministry of Natural Resources Qingdao 266061 China;
Key Laboratory of Marine Eco-environmental Science and Technology Marine Bioresource and Environment Research Center First Institute of Oceanography Ministry of Natural Resources Qingdao 266061 China;
Key Laboratory of Marine Eco-environmental Science and Technology Marine Bioresource and Environment Research Center First Institute of Oceanography Ministry of Natural Resources Qingdao 266061 China;
rare earth elements(REE)geochemistry; distribution pattern; REE fractionation; marine sediment;