Paleointensity determination using continuous thermal measurements by a high-temperature vibrating thermomagnetometer

Geochemistry, Geophysics, Geosystems

Volumn 9, Issue 9, 2008, Pages

  Dunlop, David J ^a  

^a UNIVERSITY OF TORONTO   (Canada)

Author keywords

Magnetite; Paleointensity; Thermal cycling; Thermomagnetometer

Indexed keywords

EID: 66549108820     PISSN: 15252027     EISSN: 15252027     Source Type: Journal    
DOI: 10.1029/2008GC002054     Document Type: Article

References (30)

1. Biggin, A. J., and H. N. Böhnel (2003), A method to reduce the curvature of Arai plots produced during Thellier palaeointensity experiments performed on multidomain grains, Geophys. J. Int., 155, F13-F19, doi:10.1111/j.1365-246X.2003.02089.x. (Pubitemid 38039113)
2. Biggin, A. J., and T. Poidras (2006), First-order symmetry of weak-field partial thermoremanence in multi-domain ferromagnetic grains. 1. Experimental evidence and physical implications, Earth Planet. Sci. Lett., 245, 438-453, doi:10.1016/j.epsl.2006.02.035.
3. Boyd, M. (1986), A new method for measuring palaeomagnetic intensities, Nature, 319, 208-209, doi:10.1038/319208a0.
4. Coe, R. S. (1967), Paleointensities of the Earth's magnetic field determined from Tertiary and Quaternary rocks, J. Geophys. Res., 72, 3247-3262, doi:10.1029/JZ072i012p03247.
5. Day, R., J. R. Dunn, and M. Fuller (1977), Intensity determination by continuous thermal cycling, Phys. Earth Planet. Inter., 13, 301-304, doi:10.1016/0031-9201(77)90113-3.
6. Dekkers, M. J., and H. N. Böhnel (2006), Reliable absolute palaeointensities independent of magnetic domain state, Earth Planet. Sci. Lett., 248, 507-516, doi:10.1016/j.epsl.2006.05.040.
7. Dunlop, D. J., and G. F. West (1969), An experimental test of single-domain theories, Rev. Geophys., 7, 709-757, doi:10.1029/RG007i004p00709.
8. Dunlop, D. J., Ö. Özdemir, and P. W. Schmidt (1997), Paleomagnetism and paleothermometry of the Sydney Basin: 2. Origin of anomalously high unblocking temperatures, J. Geophys. Res., 102, 27,285-27,295, doi:10.1029/97JB02478.
9. Dunlop, D. J., B. Zhang, and Ö. Özdemir (2005), Linear and nonlinear Thellier behavior of natural minerals, J. Geophys. Res., 110, B01103, doi:10.1029/2004JB003095.
10. Fuller, M. (1987), Experimental methods in rock magnetism and paleomagnetism, in Experimental Methods of Experimental Physics, vol. 24A, Geophysics, edited by G. Sammis and T. Henyey, pp. 303-471, Academic, San Diego, Calif.
11. Heiniger, C. and F. Heller (1976), A high temperature vector magnetometer, Geophys. J.R. Astron. Soc., 44, 281-287.
12. Kono, M. (1974), Intensities of the earth's magnetic field about 60 m.y. ago determined from the Deccan trap basalts India, J. Geophys. Res., 79, 1135-1141, doi:10.1029/JB079i008p01135.
13. Le Goff, M., and Y. Gallet (2004), A new three-axis vibrating sample magnetometer for continuous high-temperature magnetization measurements: Applications to paleo-and archeointensity determinations, Earth Planet. Sci. Lett., 229, 31-43, doi:10.1016/j.epsl.2004.10.025. (Pubitemid 40014572)
14. McClelland, E., and N. Sugiura (1987), A kinematic model of TRM acquisition in multidomain magnetite, Phys. Earth Planet. Inter., 46, 9-23, doi:10.1016/0031-9201(87)90168-3.
15. Muxworthy, A. (2000), Cooling behaviour of partial thermoremanences induced in multidomain magnetite, Earth Planet. Sci. Lett., 184, 169-179, doi:10.1016/S0012-821X (00)00310-1.
16. Nagata, T., and M. Ozima (1956), Anomalous increase in thermoremanent magnetization of ferromagnetic mineralsmagnetic interaction between different constituents in ferromagnetic minerals, J. Geomagn. Geoelectr., 7, 105-120.
17. Nagata, T., Y. Arai, and K. Momose (1963), Secular variation of the geomagnetic total force during the last 5000 years, J. Geophys. Res., 68, 5277-5281.
18. Néel, L. (1949), Théorie du traÎnage magnétique des ferromagne ́tiques en grain fins avec applications aux terres cuites, Ann. Geophys., 5, 99-136.
19. Néel, L. (1955), Some theoretical aspects of rock magnetism, Adv. Phys., 4, 191-242, doi:10.1080/00018735500101204.
20. Parry, L. G. (1975), Magnetization of micron sized magnetite particles, Aust. J. Phys., 28, 693-706.
21. Parry, L. G. (1979), Magnetization of multidomain particles of magnetite, Phys. Earth Planet. Inter., 19, 21-30, doi:10.1016/0031-9201(79)90087-6.
22. Schmidt, P. W., and D. A. Clark (1985), Step-wise and continuous thermal demagnetization and theories of thermoremanence, Geophys. J. R. Astron. Soc., 83, 731-751.
23. Sugiura, N. (1989), Measurement of magnetization at high temperatures and the origin of thermoremanent magnetization: A review, J. Geomagn. Geoelectr., 41, 3-17.
24. Tanaka, H. J. D. E. Athanassopoulos, J. R. Dunn, and M. Fuller (1995), Paleointensity determinations with measurements at high temperature, J. Geomagn. Geoelectr., 47, 103-113.
25. Tauxe, L., and H. Staudigel (2004), Strength of the geomagnetic field in the Cretaceous Normal Superchron: New data from submarine basaltic glass of the Troodos Ophiolite, Geochem. Geophys. Geosyst., 5, Q02H06, doi:10.1029/ 2003GC000635.
26. Thellier, E., and O. Thellier (1959), Sur l'intensité du champ magnétique terrestre dans le passé historique et géologique, Ann. Geophys., 15, 285-376.
27. Walton, D. (1984), Re-evaluation of Greek archaeomagnitudes, Nature, 310, 740-743, doi:10.1038/310740a0.
28. Wilson, R. L. (1961), Palaeomagnetism in Northern Ireland, Part 1, The thermal demagnetization of natural magnetic moments in rocks, Geophys. J., 5, 45-69, doi:10.1111/j.1365-246X.1961.tb02928.x.
29. Wilson, R. L. (1962), An instrument for measuring vector magnetization at high temperatures, Geophys. J., 7, 125-130, doi:10.1111/j.1365-246X.1962. tb02257.x.
30. Zheng, Z., and X. Zhao (2006), A new approach for absolute paleointensity determination: Consideration on blocking processes between temperature and interaction field, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract GP21A-1290.