Horner-Johnson, Benjamin C; Sager, William W (2004): Magnetic properties of ODP Site 191-1179 sediments [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.779559, Supplement to: Horner-Johnson, BC; Sager, WW (2004): Data report: Magnetic properties of ODP Leg 191 Site 1179 Sediments. In: Sager, WW; Kanazawa, T; Escutia, C (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 191, 1-19, https://doi.org/10.2973/odp.proc.sr.191.008.2004
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Abstract:
As reported by Shipboard Scientific Party (2001b, doi:10.2973/odp.proc.ir.191.104.2001) in the Site 1179 chapter of the Initial Reports volume, Leg 191 Site 1179 is located on abyssal seafloor northwest of Shatsky Rise, ~1650 km east of Japan. This part of the Pacific plate was formed during the Early Cretaceous, as shown by northeast-trending M-series magnetic lineations that become younger toward the northwest (Larson and Chase, 1972, doi:10.1130/0016-7606(1972)83[3627:LMEOTW]2.0.CO;2; Sager et al., 1988, doi:10.1029/JB093iB10p11753; Nakanishi et al., 1989, doi:10.1029/1999JB900002). The site is situated on magnetic Anomaly M8 (Nakanishi et al., 1999, doi:10.1029/1999JB900002), corresponding to an age of ~129 Ma and the Hauterivian stage of the Early Cretaceous (Gradstein et al., 1994, doi:10.1029/94JB01889; 1995).
The sediments recovered at Site 1179 are split into four lithostratigraphic units based on composition and color (Shipboard Scientific Party, 2001b, doi:10.2973/odp.proc.ir.191.104.2001). Unit I (0-221.52 meters below seafloor [mbsf]) is a dominantly olive-gray clay- and radiolarian-bearing diatom ooze. Unit II (221.52-246.0 mbsf) is a yellowish brown to light brown clay-rich and diatom-bearing radiolarian ooze. Unit III (246.0-283.53 mbsf) is composed of brown pelagic clay. Unit IV (283.53-377.15 mbsf) is composed of chert and some porcellanite; any softer sediments present were washed out of the core barrel by the fluid circulating during the coring process.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Latitude: 41.079800 * Longitude: 159.963100
Date/Time Start: 2000-07-26T16:15:00 * Date/Time End: 2000-07-30T02:30:00
Event(s):
191-1179B * Latitude: 41.079800 * Longitude: 159.963100 * Date/Time Start: 2000-07-26T16:15:00 * Date/Time End: 2000-07-27T04:00:00 * Elevation: -5563.9 m * Penetration: 55.1 m * Recovery: 55.89 m * Location: North Pacific Ocean * Campaign: Leg191 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 6 cores; 55.1 m cored; 0 m drilled; 101.4 % recovery
191-1179C * Latitude: 41.079800 * Longitude: 159.963100 * Date/Time Start: 2000-07-27T04:00:00 * Date/Time End: 2000-07-30T02:30:00 * Elevation: -5563.9 m * Penetration: 292.9 m * Recovery: 246.89 m * Location: North Pacific Ocean * Campaign: Leg191 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 27 cores; 249.9 m cored; 43 m drilled; 98.8 % 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
- Horner-Johnson, BC; Sager, WW (2004): (Table T2) Anisotropy of anhysteretic remanent magnetism of ODP Holes 191-1179B and 191-1179C. https://doi.org/10.1594/PANGAEA.779557
- Horner-Johnson, BC; Sager, WW (2004): (Table T3) Anisotropy of magnetic susceptibility of ODP Holes 191-1179B and 191-1179C. https://doi.org/10.1594/PANGAEA.779558
- Horner-Johnson, BC; Sager, WW (2004): (Table T1) Isothermal remanent magnetization of ODP Hole 191-1179C sediments. https://doi.org/10.1594/PANGAEA.779556