Kanamatsu, Toshiya; Matsuo, Kazue (2003): (Table 1) Anisotropy of magnetic susceptibility and paleomagnetic results for ODP Sites 186-1150 and 186-1151 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.783898, Supplement to: Kanamatsu, T; Matsuo, K (2003): Rock magnetic study of sediments from the Japan Trench, ODP Leg 186: implications for deformation of sediments. In: Suyehiro, K; Sacks, IS; Acton, GD; Oda, M (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 186, 1-21, https://doi.org/10.2973/odp.proc.sr.186.113.2003
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Published: 2003 (exact date unknown) • DOI registered: 2012-07-10
Abstract:
The fabric of fine-grained sediments from the deep-sea terrace on the landward side of the Japan Trench, cored during Ocean Drilling Program Leg 186, was analyzed using the anisotropy of magnetic susceptibility. The purpose of this study was to document the magnetic fabrics formed in a tensional environment. Faults and joints (healed fractures) were found in the lower portion of recovered core. Analysis of these structures suggests an east-west tensional direction. The general shape of the magnetic fabric ellipsoid is fairly oblate. Bedding planes dip to the east in Hole 1151, and the magnetic fabric is completely controlled by the bedding plane. The magnetic fabric in the interval highly affected by fracturing, however, shows higher anisotropy. Magnetic foliations, which have been reorientated using paleomagnetic north, incline eastward and westward.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 38.966550 * Median Longitude: 143.332950 * South-bound Latitude: 38.751167 * West-bound Longitude: 143.331883 * North-bound Latitude: 39.181933 * East-bound Longitude: 143.334017
Date/Time Start: 1999-06-22T00:00:00 * Date/Time End: 1999-08-12T00:00:00
Minimum DEPTH, sediment/rock: 0.80 m * Maximum DEPTH, sediment/rock: 1179.00 m
Event(s):
186-1150 * Latitude: 39.181933 * Longitude: 143.331883 * Date/Time Start: 1999-06-22T00:00:00 * Date/Time End: 1999-07-28T00:00:00 * Elevation: -2680.8 m * Penetration: 4094 m * Recovery: 835.7 m * Location: North Pacific Ocean * Campaign: Leg186 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 126 cores; 1200.9 m cored; 2893.1 m drilled; 69.6% recovery
186-1151 * Latitude: 38.751167 * Longitude: 143.334017 * Date/Time Start: 1999-07-28T00:00:00 * Date/Time End: 1999-08-12T00:00:00 * Elevation: -2177.5 m * Penetration: 3197.8 m * Recovery: 905.5 m * Location: North Pacific Ocean * Campaign: Leg186 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 129 cores; 1225.8 m cored; 1894 m drilled; 73.9% recovery
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Sample code/label | Sample label | Kanamatsu, Toshiya | DSDP/ODP/IODP sample designation | ||
| 3 | DEPTH, sediment/rock | Depth sed | m | Geocode – mbsf | ||
| 4 | NRM, Inclination after demagnetization | Incl (AF) | deg | Kanamatsu, Toshiya | Kappabridge, AGICO KLY-3S | |
| 5 | NRM, Declination after demagnetization | Decl (AF) | deg | Kanamatsu, Toshiya | Kappabridge, AGICO KLY-3S | |
| 6 | Magnetic susceptibility, volume | kappa | 10-6 SI | Kanamatsu, Toshiya | Kappabridge, AGICO KLY-3S | mean |
| 7 | Anisotropy-magnetic susceptibility, factor L, lineation | AMS factor L | Kanamatsu, Toshiya | Kappabridge, AGICO KLY-3S | ||
| 8 | Anisotropy-magnetic susceptibility, factor F, foliation | AMS factor F | Kanamatsu, Toshiya | Kappabridge, AGICO KLY-3S | ||
| 9 | Magnitude of anisotropy | P` | Kanamatsu, Toshiya | Kappabridge, AGICO KLY-3S | ||
| 10 | Declination of principle axis K1 | D(Kmax) | deg | Kanamatsu, Toshiya | Kappabridge, AGICO KLY-3S | K max |
| 11 | Inclination of principle axis K1 | I(Kmax) | deg | Kanamatsu, Toshiya | Kappabridge, AGICO KLY-3S | K max |
| 12 | Declination of principle axis K2 | D(Kint) | deg | Kanamatsu, Toshiya | Kappabridge, AGICO KLY-3S | K intermediate |
| 13 | Inclination of principle axis K2 | I(Kint) | deg | Kanamatsu, Toshiya | Kappabridge, AGICO KLY-3S | K intermediate |
| 14 | Declination of principle axis K3 | D(Kmin) | deg | Kanamatsu, Toshiya | Kappabridge, AGICO KLY-3S | K min |
| 15 | Inclination of principle axis K3 | I(Kmin) | deg | Kanamatsu, Toshiya | Kappabridge, AGICO KLY-3S | K min |
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