MENG Qing-yong, LI An-chun, JIN Ning, XU Zhao-kai, LIU Jian-guo. MAGNETOSTRATIGRAPHIC AND MAGNETIC PROPERTIES OF MARINE SEDIMENTS FROM THE EAST PHILIPPINE SEA[J]. Marine Geology & Quaternary Geology, 2006, 26(3): 57-63.
Citation: MENG Qing-yong, LI An-chun, JIN Ning, XU Zhao-kai, LIU Jian-guo. MAGNETOSTRATIGRAPHIC AND MAGNETIC PROPERTIES OF MARINE SEDIMENTS FROM THE EAST PHILIPPINE SEA[J]. Marine Geology & Quaternary Geology, 2006, 26(3): 57-63.
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MAGNETOSTRATIGRAPHIC AND MAGNETIC PROPERTIES OF MARINE SEDIMENTS FROM THE EAST PHILIPPINE SEA

  • 1 Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;

  • 2 Postgraduate School of the Chinese Academy of Sciences, Bejing 100039, China

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  • Received Date: December 22, 2005
  • Revised Date: March 28, 2006
    Graphical Abstract
    • Abstract
  • A detailed magnetic analysis has been done on core F090102 from the East Philippine Sea,and the following magnetic parameters were measured:susceptibility(X),anhysteretic remnant magnetization(ARM), saturation isothermal remnant magnetization(SIRM), IRM-300 mT (induced in a field of -300mT)and typical temperature dependence of magnetic susceptibility curves (X-T).Analyses of magnetic parameters demonstrated that magnetic minerals in the sequence are dominated by low-coercivity ferromagnetic minerals with subordinate high-coercivity antiferromagnetic minerals and are characterized by magnetite (probably including some titanomagnetites). The results show that the rock-magnetic parameters well correspond to the paleoclimatic variations and sedimentary environmental changes.And a magnetostratigraphic record was obtained.The Bruhnes-Matuyama reversal, the Jaramillo event as well as the Olduvai event during the Matuyama period were identified.
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    • References (24)
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