Vigliotti, Luigi; Torii, Masayuki; Channell, James E T (1990): Magnetic properties and paleomagnetism of basalts from ODP Leg 107 basalts [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.745793, Supplement to: Vigliotti, L et al. (1990): Magnetic properties and paleomagnetism of basalts from Leg 107 (Holes 651A and 655B). In: Kastens, KA; Mascle, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 107, 99-110, https://doi.org/10.2973/odp.proc.sr.107.165.1990
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Abstract:
The basalts recovered at Holes 651A and 655B appear to carry a single component remanent magnetization, which is generally of reversed polarity. These magnetizations are consistent with eruption during the Matuyama (651A) and Gilbert (655B) polarity epochs.
The blocking temperature spectra and the Js/T curves indicate that titanomaghemite is the principal remanence carrier. The lower mean destructive field (MDF) and higher susceptibility at 651A probably indicates a lower mean oxidation state at this hole relative to 655B, which may simply reflect the age difference between the two basalt sequences. At both holes, a decreasing downcore trend both in natural remanent magnetization (NRM) and susceptibility probably indicates that maghemitization (from primary titanomagnetite) increases downcore. An interval of high coercivity at hole 655B (119.80-151.45 mbsf) appears to define a magnetically distinct unit within the basalt sequence.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 40.169600 * Median Longitude: 12.611000 * South-bound Latitude: 40.150500 * West-bound Longitude: 12.465500 * North-bound Latitude: 40.188700 * East-bound Longitude: 12.756500
Date/Time Start: 1986-01-11T05:22:00 * Date/Time End: 1986-02-13T13:55:00
Event(s):
107-651A * Latitude: 40.150500 * Longitude: 12.756500 * Date/Time Start: 1986-01-11T05:22:00 * Date/Time End: 1986-01-17T23:00:00 * Elevation: -3578.0 m * Penetration: 550.9 m * Recovery: 185.66 m * Location: Tirreno Sea * Campaign: Leg107 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 58 cores; 550.9 m cored; 0 m drilled; 33.7 % recovery
107-655B * Latitude: 40.188700 * Longitude: 12.465500 * Date/Time Start: 1986-02-10T16:15:00 * Date/Time End: 1986-02-13T13:55:00 * Elevation: -3390.0 m * Penetration: 196.1 m * Recovery: 49.32 m * Location: Tirreno Sea * Campaign: Leg107 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 12 cores; 114.9 m cored; 0 m drilled; 42.9 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets
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Datasets listed in this publication series
- Vigliotti, L; Torii, M; Channell, JET (1990): (Table 1) Magnetic properties of basalts recovered at ODP Hole 107-651A. https://doi.org/10.1594/PANGAEA.745791
- Vigliotti, L; Torii, M; Channell, JET (1990): (Table 2) Magnetic properties of basalts recovered at ODP Hole 107-655B. https://doi.org/10.1594/PANGAEA.745792