Micromagnetic, rockmagnetic and mineralogical studies on dacitic pumice from the Pinatubo eruption (1991, Phillipines) showing self-reversed TRM

Geophysical Research Letters

Volumn 23, Issue 20, 1996, Pages 2835-2838

  Hoffmann, V ^a   Fehr, K Th ^a  

^a UNIVERSITY OF MUNICH   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

MAGNETIC DOMAINS; MAGNETIC PROPERTIES; MAGNETIZATION; MATHEMATICAL MODELS; MINERALOGY; PHASE COMPOSITION; REMANENCE; ROCK MECHANICS; SATURATION (MATERIALS COMPOSITION); SCANNING ELECTRON MICROSCOPY; NATURAL RESOURCES MANAGEMENT;

DACITIC PUMICE; MICROMAGNETIC; NATURAL REMANENT MAGNETIZATION; ROCKMAGNETIC; SATURATION MAGNETIZATION; THERMOREMANENCE;

ABRASIVES; SATURATION MAGNETIZATION;

DACITE; MAGNETIC REVERSAL; PUMICE; ROCK MAGNETISM; THERMOREMANENCE; VOLCANIC ERUPTION;

PHILIPPINES, LUZON, MOUNT PINATUBO;

HEMO-ILMENITE; HIGH-SATURATION MAGNETIZATION; MAGNETIC INTERACTIONS; MICROMAGNETICS; MT. PINATUBO; OR COVERINGS; PHILLIPINES; SELF-REVERSAL;

EID: 0030265276     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/96GL01317     Document Type: Article

References (20)

1. Bina M., Listanco E. L., Tanguy J. C., Prévot M., Hoffmann V., Keller R., Punongbayan R. S., Self-reversed magnetization in dacitic pumices from the 1991 eruption of Mount Pinatubo (Phillipines), 1996, in preparation.
2. Haag M., Heller F., Allenspach R., Magnetic interactions in self-reversing andesitic pumice in relation to iron-alloys, J. Phys., C8/49. suppl. 12, 2065-2066, 1988.
3. Haag M., Heller F., Allenspach R., Roche K., Self-reversal of natural remanent magnetization in andesilic pumice, Phys. Earth Planet. Inter., 65, 104-108, 1990.
4. Haag M., Heller F., Lutz M., Reusser E., Domain observations of the magnetic phases in volcanics with self-reversed magnetization., Geophys. Res. Lett., 20/8, 675-678, 1993.
5. Heller F., Carracedo J. C., Soler V., Reversed magnetization in the pyroclastics from the 1985 eruption of Nevado del Ruiz, Colombia, Nature, 324, 241-242, 1986.
6. Huffman K. A., Cation diffusion processes and self-reversal of thermoremanent magnetization in the ilmenite-hematite solid solution series, Geophys. J. R. Astr. Soc., 41, 65-80, 1975.
7. Hoffman K. A., Self-reversal of thermoremanent magnetization in the ilmenite-hematite system: order-disorder symmetry and spin alignment, J. Geophys. Res., 97/B7, 10883-10895, 1992.
8. 3), magnetic domain structures and domain wall - defect interaction, Paper and Abstract, New Trends of Geomagnetism IV meeting, Trest/Tschechische Republik, 1994.
9. 3 solid solution series, J. Phys. Soc. Jpn., 12/10, 1083-1098, 1957.
10. Kennedy L. K., Self-reversed thermoremanent magnetization in a late Brunhes dacite pumice, J. Geomag. Geoelectr., 33, 429-448, 1981.
11. Lawson Ch. A., Nord G. L., Champion D. E., Fe-Ti oxide mineralogy and the origin of normal and reverse remanent magnetization in dacitic pumice blocks from Mt. Shasta (California), Phys. Earth Planet. Inter., 46, 270-288, 1987.
12. Meiklejohn W. H., Bean C. P., New magnetic anisotropy, Phys. Rev., 102, 1413-1414, 1956.
13. Meiklejohn W. H., Exchange anisotropy - a review, J. Appl. Phys., 33/3 Suppl., 1328-1335, 1962.
14. Nagata T., Reverse thermoremanent magnetism, Nature, 169, 704-705, 1952.
15. Néel, L., L'inversion de l'aimanation permanente des roches, Ann. Geophys., 7, 90-102, 1951.
16. Ozima M., Funaki M., Hamada N., Aramaki S., Fujii T., Self-reversal of thermo-remanent magnetization in pyroclastics from the 1991 eruption of Mt. Pinatubo, Phillipines, J. Geomag. Geoelectr., 44, 979-984, 1992.
17. Pouchou J. L., Pichoir F., A new model for quantitative X-ray microanalysis, Rech. Aerosp., 13-38, 1984.
18. Träuble H., Boser O., Kronmüller H., Seeger A., Ferromagnetische Eigenschaften hexagonaler Kobalt-Einkristalle, Phys. Status Sol., 10, 283-302, 1965.
19. Uyeda S., Thermo-remanent magnetism as a medium of paleomagnetism with special reference to reverse thermo-remanent magnetism, Jpn. J. Geophys., II/1, 1-123, 1958.
20. Westcott-Lewis M. F., Parry L. G., Magnetism in rhombohedral iron-titanium oxides, Austr. J. Phys., 24, 719-734, 1971.