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Arai, Kohsaku; Sato, Tokiyuki (2000): (Table 1) Magnetic properties of sediments from ODP Hole 166-1007B. PANGAEA, https://doi.org/10.1594/PANGAEA.798406, Supplement to: Arai, K; Sato, T (2000): Magnetic properties and their implications at Site 1007. In: Swart, PK; Eberli, GP; Malone, MJ; Sarg, JF (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 166, 1-9, https://doi.org/10.2973/odp.proc.sr.166.121.2000

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Abstract:
A detailed rock magnetic study was conducted on the top six cores (above 57.5 meters below seafloor) at Site 1007. The calcareous nannofossil biostratigraphy assigns the studied intervals to an age ranging from early Pleistocene to Holocene. We found two significant conversion points in the Pleistocene based on isothermal remanent magnetization (IRM) acquisition and on alternating field demagnetization of anhysteretic remanent magnetization and IRM. These conversion points correlate strongly with changes in sedimentation rate and lithology. We conclude that the paleomagnetic signals reflect changes of rate of sediment supply and of paleoenvironment on the western edge of the Great Bahama Bank.
Project(s):
Coverage:
Latitude: 24.504400 * Longitude: -79.322300
Date/Time Start: 1996-03-29T06:30:00 * Date/Time End: 1996-03-30T17:45:00
Minimum DEPTH, sediment/rock: 0.39 m * Maximum DEPTH, sediment/rock: 56.39 m
Event(s):
166-1007B * Latitude: 24.504400 * Longitude: -79.322300 * Date/Time Start: 1996-03-29T06:30:00 * Date/Time End: 1996-03-30T17:45:00 * Elevation: -647.4 m * Penetration: 377.7 m * Recovery: 198.42 m * Location: North Atlantic Ocean * Campaign: Leg166 * Basis: Joides Resolution * Device: Drilling/drill rig (DRILL) * Comment: 41 core; 375.7 m cored; 0 m drilled; 52.8 % recovery
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Sample code/labelSample labelArai, KohsakuODP sample designation
2DEPTH, sediment/rockDepthmGeocode – mbsf
3NRM, IntensityInten (NRM)mA/mArai, KohsakuSQUID magnetometer 2G model 760R
4ARM, Intensity, per unit volumeInten (ARM)mA/mArai, KohsakuSQUID magnetometer 2G model 760R
5IRM, Intensity, per unit volumeInten (IRM)mA/mArai, KohsakuSQUID magnetometer 2G model 760R2 T
6Magnetic susceptibilityMAGS10-6 SIArai, KohsakuKappabridge, AGICO KLY-3S
7S-ratio (Hematite/Magnetite)S-rArai, Kohsaku
8Anhysteretic remanent magnetization/saturation isothermal remanent magnetization ratioARM/SIRMArai, Kohsaku
Size:
1638 data points

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