Determination of rare earth, major and trace elements in authigenic fraction of Andaman Sea (Northeastern Indian Ocean) sediments by Inductively Coupled Plasma-Mass Spectrometry

@inproceedings{Alagarsamy2010DeterminationOR,
  title={Determination of rare earth, major and trace elements in authigenic fraction of Andaman Sea (Northeastern Indian Ocean) sediments by Inductively Coupled Plasma-Mass Spectrometry},
  author={Rengasamy Alagarsamy and C Y You and Bejugam Nagender Nath and Alexander V Kumar},
  year={2010}
}
Downcore variation of rare-earth elements (REEs) in the authigenic Fe-Mn oxides of a sediment core (covering a record of last ~40 kyr) from the Andaman Sea, a part of Indian Ocean show distinctive positive Ce and Eu anomalies. These positive Ce anomalies (Ce*=1.1~1.8) are ascribed to be due to oxidation of deep sea sediments. The large positive Eu anomalies (i.e., Eu* >1.8 to 3.2) occur within a time span near the glacial/interglacial transition (~7,000-14,000 yr BP) which could be due to the… CONTINUE READING
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