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Ford, Kathryn; King, John W; Niitsuma, Sachiko (2006): Susceptibility, magnetization and S-ratio of ODP Sites 201-1225 and 201-1227 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.773885, Supplement to: Ford, K et al. (2006): Data report: Preservation of bacterial magnetosomes at Sites 1225 and 1227. In Jørgensen, BB; D'Hondt, SL; Miller, DJ (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 201, 1-17, https://doi.org/10.2973/odp.proc.sr.201.115.2006

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Abstract:
Samples were collected at Sites 1225 and 1227 to investigate the occurrence of fine-grained, biogenic magnetic particles (magnetosomes). Several magnetic methods, including anhysteretic remanent magnetization and isothermal remanent magnetization, were used to characterize the main magnetic carriers in the samples. Extracts were made to isolate the fine-grained fraction, which was then examined under a transmission electron microscope. Grains with the unique characteristics of magnetosomes were found in samples from regions in the core with both high and low concentrations of magnetic minerals. This suggests they have the potential to be a persistent proxy of paleoredox conditions.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: -1.149716 * Median Longitude: -100.366266 * South-bound Latitude: -8.990880 * West-bound Longitude: -110.571483 * North-bound Latitude: 2.770867 * East-bound Longitude: -79.955830
Date/Time Start: 2002-02-07T00:00:00 * Date/Time End: 2002-03-02T08:30:00
Event(s):
201-1225A * Latitude: 2.770780 * Longitude: -110.571480 * Date/Time Start: 2002-02-07T21:15:00 * Date/Time End: 2002-02-11T11:10:00 * Elevation: -3761.3 m * Penetration: 319.6 m * Recovery: 321.65 m * Location: North Pacific Ocean * Campaign: Leg201 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 35 cores; 315.6 m cored; 4 m drilled; 101.9 % recovery
201-1225B * Latitude: 2.770880 * Longitude: -110.571480 * Date/Time Start: 2002-02-11T11:10:00 * Date/Time End: 2002-02-11T12:55:00 * Elevation: -3760.1 m * Penetration: 9 m * Recovery: 8.96 m * Location: North Pacific Ocean * Campaign: Leg201 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 1 core; 9 m cored; 0 m drilled; 99.6 % recovery
201-1225C * Latitude: 2.770950 * Longitude: -110.571480 * Date/Time: 2002-02-11T12:55:00 * Elevation: -3760.2 m * Penetration: 305.3 m * Recovery: 305.51 m * Location: North Pacific Ocean * Campaign: Leg201 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 33 cores; 304.3 m cored; 1 m drilled; 100.4 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
3 datasets

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Datasets listed in this publication series

  1. Ford, K; King, JW; Niitsuma, S (2006): (Table T3) S-ratio of ODP Site 201-1225. https://doi.org/10.1594/PANGAEA.773883
  2. Ford, K; King, JW; Niitsuma, S (2006): (Table T1) Susceptibility and magnetization of ODP Site 201-1225. https://doi.org/10.1594/PANGAEA.773881
  3. Ford, K; King, JW; Niitsuma, S (2006): (Table T2) Susceptibility and magnetization of ODP Hole 201-1227B. https://doi.org/10.1594/PANGAEA.773882