Vigliotti, Luigi (1992): Magnetic properties of igneous rocks recovered at ODP Leg 127 sites [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.777650, Supplement to: Vigliotti, L (1992): Magnetic properties and paleomagnetism of volcanic rocks and interlayered sediments from the Japan Sea (ODP Leg 127). In: Tamaki, K; Suychiro, K; Allan, J; McWilliams, M; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 127/128(2), 933-945, https://doi.org/10.2973/odp.proc.sr.127128-2.212.1992
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Abstract:
Measurements of natural remanent magnetization (NRM), initial susceptibility (K), anisotropy of magnetic susceptibility, frequency dependent susceptibility (Xfd), and viscous remanent magnetization (VRM) are reported from volcanic rocks recovered during ODP Leg 127 in the Japan Sea. The results indicate a significant difference between the basalts drilled in the Yamato Basin (Site 794 and 797) and in the Japan Basin (Site 795). The Koenigsberger ratios (Q) show very low values in the Yamato Basin attesting that the remanence is not dominant over the induced magnetization. This evidence could explain why no magnetic anomaly pattern has been recognized in this basin.
Experiments of VRM acquisition and decay show that both the processes are multistage with the acquisition process proceeding more rapidly and deviates more from a log (t) law than the corresponding decay. The sediments interlayered with the basalts in the acoustic basement of the Yamato Basin show processes of remagnetization related to the emplacement of the dikes. Temperatures of heating between 200° and 250°C were estimated from the different unblocking temperatures of the two components of magnetization.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 40.931000 * Median Longitude: 137.244333 * South-bound Latitude: 38.616000 * West-bound Longitude: 134.536000 * North-bound Latitude: 43.987000 * East-bound Longitude: 138.966000
Date/Time Start: 1989-06-26T00:00:00 * Date/Time End: 1989-08-18T00:00:00
Event(s):
127-794 * Latitude: 40.190000 * Longitude: 138.231000 * Date/Time Start: 1989-06-26T00:00:00 * Date/Time End: 1989-07-11T00:00:00 * Elevation: -2821.3 m * Penetration: 1554 m * Recovery: 422.8 m * Location: Japan Sea * Campaign: Leg127 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 78 cores; 694.4 m cored; 0 m drilled; 60.9% recovery
127-795 * Latitude: 43.987000 * Longitude: 138.966000 * Date/Time Start: 1989-07-12T00:00:00 * Date/Time End: 1989-07-22T00:00:00 * Elevation: -3310.5 m * Penetration: 1128.1 m * Recovery: 447.2 m * Location: Japan Sea * Campaign: Leg127 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 80 cores; 761.9 m cored; 0 m drilled; 58.7% recovery
127-797 * Latitude: 38.616000 * Longitude: 134.536000 * Date/Time Start: 1989-07-31T00:00:00 * Date/Time End: 1989-08-18T00:00:00 * Elevation: -2874.7 m * Penetration: 1408.7 m * Recovery: 544.6 m * Location: Japan Sea * Campaign: Leg127 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 99 cores; 921.3 m cored; 0 m drilled; 59.1% 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
- Vigliotti, L (1992): (Table 1) Magnetic properties of igneous rocks recovered at ODP Site 127-794. https://doi.org/10.1594/PANGAEA.777642
- Vigliotti, L (1992): (Table 2) Magnetic properties of igneous rocks recovered at ODP Site 127-795. https://doi.org/10.1594/PANGAEA.777643
- Vigliotti, L (1992): (Table 3) Magnetic properties of igneous rocks recovered at ODP Site 127-797. https://doi.org/10.1594/PANGAEA.777644