Arai, Kohsaku; Sato, Tokiyuki (2000): (Table 1) Magnetic properties of sediments from ODP Hole 166-1007B [dataset]. 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):
Ocean Drilling Program (ODP)
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 * Method/Device: Drilling/drill rig (DRILL) * Comment: 41 core; 375.7 m cored; 0 m drilled; 52.8 % recovery
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample code/label | Sample label | Arai, Kohsaku | DSDP/ODP/IODP sample designation | ||
| 2 | DEPTH, sediment/rock | Depth sed | m | Geocode – mbsf | ||
| 3 | NRM, Intensity | Inten (NRM) | mA/m | Arai, Kohsaku | SQUID magnetometer 2G model 760R | |
| 4 | ARM, Intensity, per unit volume | Inten (ARM) | mA/m | Arai, Kohsaku | SQUID magnetometer 2G model 760R | |
| 5 | IRM, Intensity, per unit volume | Inten (IRM) | mA/m | Arai, Kohsaku | SQUID magnetometer 2G model 760R | 2 T |
| 6 | Magnetic susceptibility | MAGS | 10-6 SI | Arai, Kohsaku | Kappabridge, AGICO KLY-3S | |
| 7 | S-ratio (hematite/magnetite) | S-r | Arai, Kohsaku | |||
| 8 | Anhysteretic remanent magnetization/saturation isothermal remanent magnetization ratio | ARM/SIRM | Arai, Kohsaku |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
1638 data points