Furuta, Toshio; Kobayashi, Kazuo; Momose, K (1980): (Table 1) Summary of magnetic properties and chemical composition of opaque minerals in DSDP Leg 58 Holes basallts [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.821417, Supplement to: Furuta, T et al. (1980): Magnetic properties of igneous rocks of the Philippine Sea, Deep Sea Drilling Project Leg 58. In: deVries Klein, G; Kobayashi, K; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 58, 923-934, https://doi.org/10.2973/dsdp.proc.58.141.1980
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Published: 1980 (exact date unknown) • DOI registered: 2013-11-28
Abstract:
The Curie temperature and thermomagnetic behavior of wholerock samples were measured in basalts recovered from Sites 442, 443, and 444 of DSDP Leg 58 in the Shikoku Basin, and from Site 446 in the Daito Basin, north Philippine Sea. Chemical composition and microscopic features of opaque oxides in the same samples were also investigated. Degree and mode of oxidation of titanomagnetite vary irrespective of site, lithology, or magnetic polarity, and no systematic correlation has been found between any two of these characteristics. Magnetic properties are systematically different between massive flows recovered at Hole 444A (Shikoku Basin) and Hole 446A (Daito Basin), although the controlling factor is unknown.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 27.912425 * Median Longitude: 135.989075 * South-bound Latitude: 24.700700 * West-bound Longitude: 132.774800 * North-bound Latitude: 29.327500 * East-bound Longitude: 137.683800
Date/Time Start: 1977-12-12T00:00:00 * Date/Time End: 1978-01-18T00:00:00
Minimum Elevation: -4952.0 m * Maximum Elevation: -4372.0 m
Event(s):
58-442B * Latitude: 28.984000 * Longitude: 136.057200 * Date/Time: 1977-12-12T00:00:00 * Elevation: -4634.0 m * Penetration: 455 m * Recovery: 51 m * Location: North Pacific/BASIN * Campaign: Leg58 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 20 cores; 187.5 m cored; 0 m drilled; 27.2 % recovery
58-443 * Latitude: 29.327500 * Longitude: 137.440500 * Date/Time: 1977-12-28T00:00:00 * Elevation: -4372.0 m * Penetration: 581.5 m * Recovery: 300 m * Location: North Pacific/BASIN * Campaign: Leg58 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 64 cores; 581.5 m cored; 0 m drilled; 51.6 % recovery
58-444A * Latitude: 28.637500 * Longitude: 137.683800 * Date/Time: 1978-01-04T00:00:00 * Elevation: -4843.0 m * Penetration: 310 m * Recovery: 105.7 m * Location: North Pacific/BASIN * Campaign: Leg58 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 26 cores; 218.5 m cored; 0 m drilled; 48.4 % recovery
Comment:
Empty cells = no data.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Latitude of event | Latitude | ||||
| 3 | Longitude of event | Longitude | ||||
| 4 | Elevation of event | Elevation | m | |||
| 5 | Sample code/label | Sample label | Furuta, Toshio | DSDP/ODP/IODP sample designation | ||
| 6 | Type | Type | Furuta, Toshio | R = reversible; I = irreversible; parentheses indicate atypical curve | ||
| 7 | Curie temperature | Curie temp | °C | Furuta, Toshio | Tc1 | |
| 8 | Curie temperature | Curie temp | °C | Furuta, Toshio | Tc2 | |
| 9 | Curie temperature | Curie temp | °C | Furuta, Toshio | Tc3 | |
| 10 | Curie temperature | Curie temp | °C | Furuta, Toshio | Tch | |
| 11 | Ratio | Ratio | Furuta, Toshio | Ratio of intensities of saturation magnetization at room temperature before and after heating at 620° C | ||
| 12 | Titanium/Iron ratio | Ti/Fe | Furuta, Toshio | Electron microprobe (EMP) | Titanomagnetite; mol % | |
| 13 | x | x | Furuta, Toshio | Titanomagnetite; Value in the formula* Fe2TiO4 + (1 -x) Fe3O4 | ||
| 14 | Aluminium oxide | Al2O3 | % | Furuta, Toshio | Electron microprobe (EMP) | Titanomagnetite |
| 15 | Size | Size | µm | Furuta, Toshio | Titanomagnetite, minimum | |
| 16 | Size | Size | µm | Furuta, Toshio | Titanomagnetite, maximum | |
| 17 | Titanium/Iron ratio | Ti/Fe | Furuta, Toshio | Electron microprobe (EMP) | Ilmenite; mol % | |
| 18 | Comment | Comment | Furuta, Toshio | |||
| 19 | Texture | Texture | Furuta, Toshio | Rock; cpx* denotes titanaugite; ka denotes kaersutite. |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
955 data points