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Article Navigation >  Acta Sedimentologica Sinica  > 2007  >  25(5): 753-758

LI Ping. Distribution Characteristics of Magnetic Parameters of the Surface Sediments in the Okinawa Trough and Their Relationships to Sedimentary Environment[J]. Acta Sedimentologica Sinica, 2007, 25(5): 753-758.
Citation: LI Ping. Distribution Characteristics of Magnetic Parameters of the Surface Sediments in the Okinawa Trough and Their Relationships to Sedimentary Environment[J]. Acta Sedimentologica Sinica, 2007, 25(5): 753-758.
shu

Distribution Characteristics of Magnetic Parameters of the Surface Sediments in the Okinawa Trough and Their Relationships to Sedimentary Environment

  • Key Lab of Marine Sediment and Environmental Geology, First Institute of Oceanography, SOA, Qingdao Shandong 266061

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  • Corresponding author: LI Ping
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2007-10-10
  • Multiple magnetic parameters measurement such as magnetic susceptibility, saturation remnant magnetization, anhysteresis remnant magnetization were made on 110 surface samples taken from the shelf of the East China Sea to abyssal plain of the Okinawa Trough. Based on the measured results, correlation in sediment magnetic characteristic and material provenance with different sedimentary environments were discussed. The sediment from individual sedimentary environments show distinguishable local environmental characteristics and are characterized by different magnetic properties. As the east abyssal plain of the Okinawa Trough contains some volcanic materials, it shows stronger magnetic characteristics than other sediment environments. There are no clearly correlation between CaCO3 and magnetic parameters, but magnetic feature tends to become weaker with the content of CaCO3 increase. Being a biologic index, CaCO3 possibly dilute the content of magnetic minerals of sediments to affect the magnetic characteristics of sediments.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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  • Received:  1900-01-01
  • Revised:  1900-01-01
  • Published:  2007-10-10

Distribution Characteristics of Magnetic Parameters of the Surface Sediments in the Okinawa Trough and Their Relationships to Sedimentary Environment

  • Key Lab of Marine Sediment and Environmental Geology, First Institute of Oceanography, SOA, Qingdao Shandong 266061
    Corresponding author: LI Ping
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2007-10-10

Abstract: Multiple magnetic parameters measurement such as magnetic susceptibility, saturation remnant magnetization, anhysteresis remnant magnetization were made on 110 surface samples taken from the shelf of the East China Sea to abyssal plain of the Okinawa Trough. Based on the measured results, correlation in sediment magnetic characteristic and material provenance with different sedimentary environments were discussed. The sediment from individual sedimentary environments show distinguishable local environmental characteristics and are characterized by different magnetic properties. As the east abyssal plain of the Okinawa Trough contains some volcanic materials, it shows stronger magnetic characteristics than other sediment environments. There are no clearly correlation between CaCO3 and magnetic parameters, but magnetic feature tends to become weaker with the content of CaCO3 increase. Being a biologic index, CaCO3 possibly dilute the content of magnetic minerals of sediments to affect the magnetic characteristics of sediments.

LI Ping. Distribution Characteristics of Magnetic Parameters of the Surface Sediments in the Okinawa Trough and Their Relationships to Sedimentary Environment[J]. Acta Sedimentologica Sinica, 2007, 25(5): 753-758.
Citation: LI Ping. Distribution Characteristics of Magnetic Parameters of the Surface Sediments in the Okinawa Trough and Their Relationships to Sedimentary Environment[J]. Acta Sedimentologica Sinica, 2007, 25(5): 753-758.
shu

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