An alternative experimental method to discriminate magnetic phases using IRM acquisition curves and magnetic demagnetisation by alternating field

Revista Brasileira de Geofisica

Volumn 22, Issue 1, 2004, Pages 17-32

  Chaparro, Marcos A E ^a   Sinito, Ana M ^a  

^a UNIVERSIDAD NACIONAL DEL CENTRO DE LA PROVINCIA DE BUENOS AIRES   (Argentina)

Author keywords

Isothermal remanent magnetisation; Magnetic demagnetisation by AF; Magnetic phases discrimination; Remanence coercivity; Synthetic iron oxides

Indexed keywords

DEMAGNETIZATION; EXPERIMENTAL STUDY; IRON OXIDE; MAGNETIC FIELD; MAGNETIC MINERAL; REMANENT MAGNETIZATION;

EID: 33846069130     PISSN: 0102261X     EISSN: None     Source Type: Journal    
DOI: 10.1590/S0102-261X2004000100002     Document Type: Article

References (25)

1. ARGYLE KS, DUNLOP DJ and XU S. 1994. Single-domain behaviour of multidomain magnetite grains. Abstract Eos (Trans. Am. Geophys. Un.), 75, Fall Meeting suppl., 196.
2. BAILEY ME and DUNLOP DJ. 1983. Alternating field characteristics of pseudo-single domain (2-14μm) and multidomain magnetite. Earth Planet. Sci. Lett., 63:335-352.
3. BLOEMENDAL J, KING JK, HALL FR and DOH SJ. 1992. Rock magnetism of Late Neogene and Pleistocene deep-sea sediments: Relationship to sediment source, diagenetic processes and sediment lithology. J. Geophys. Res., 97:4361-4375.
4. CHAPARRO MAE, BIDEGAIN JC, SINITO AM, GOGORZA CS and JURADO S. 2002a. Preliminary Results of Magnetic Measurements on Stream-Sediments from Buenos Aires province, Argentina. Studia Geophysica et Geodaectia, 47(1): 121-145.
5. CHAPARRO MAE, BIDEGAIN JC, SINITO AM, GOGORZA CS and JURADO S. 2002b. Comparison of Magnetic Studies of Soils and Stream-Sediments from Buenos Aires Province (Argentina) Applied to Pollution Analysis. Extended abstract for the International Symposium on Fundamental Rock Magnetism and Environmental Applications. Erice, Italy, 25-27.
6. CHAPARRO MAE, SINITO AM and BIDEGAIN JC. 2003. Estudios Magnéticos sobre Goethita (α-FeOOH) Natural de Tharsis (Huelva, España). Boletin Geológico y Minera Español, (submitted).
7. DANKERS PHM. 1978. Magnetic properties of dispersed natural ironoxides of known grain-size, thesis, State University of Utrecht, 142 pp.
8. DANKERS PHM. 1981. Relationship between median destructive field and remanent coercive forces for dispersed natural magnetite, titanomagnetite and hematite. Geophys. J. R. Astr. Soc., 64:447-461.
9. DE BOER CB and DEKKERS MJ. 1998. Thermomagnetic behaviour of hematite and goethite as a function of grain size in various non-saturating magnetic fields. Geophys. J. Int., 133:541-552.
10. DUNLOP DJ. 1986. Coercive forces and coercivity spectra of submicron magnetites. Earth and Planet. Sci. Lett., 78:288-295.
11. DUNLOP DJ and ÖZDEMIR Ö. 1997. Rock magnetism. Fundamentals and frontiers. Cambridge University Press. 573 pp.
12. EGLI R and LOWRIE W. 2002. Anhysteric remanent magnetization of fine magnetic particles. J. Geophys. Res., 107(B10): 2209, doi: 10.1029/2001JB000671.
13. FRANCE DE and OLDFIELD F 2000. Identifying goethite and hematite from rock magnetic measurements of soils and sediments. J. Geophys. Res., 105 (B2): 2781-2795.
14. HESLOP D, DEKKERS MJ, KRUIVER PP and VAN OORSCHOT IHM. 2002. Analysis of isothermal remanent magnetisation acquisition curves using the expectation-maximisation algorithm. Geophys. J. Int., 148: 58-64.
15. KRUIVER PP, DEKKERS MJ and HESLOP D. 2001a. Quantification of magnetic coercivity components by the analysis of acquisition curves of isothermal remanent magnetisation. Earth and Planet. Sci. Lett., 189: 269-276.
16. KRUIVER PP and PASSIER HF 2001b. Coercivity analysis of magnetic phases in sapropel S1 related to variations in redox conditions, including an investigation of the S ratio. Geochem. Geophys. and Geosys. Paper number 2001GC000181.
17. MAHER BA, THOMPSON R and HOUNSLOW MW. 1999. Introduction. In: Quaternary Climate, Environments and Magnetism (Maher B.A. and Thompson R., eds.), 1-48 pp. Cambridge University Press, Cambridge.
18. PETERS C and THOMPSON R. 1998. Magnetic identification of selected natural iron oxides and sulphides. J. Magn. Magn. Mater, 183: 365-374.
19. PETERS C, DEKKERS MJ and LANGEREIS CG. 2002. Validation of mineral magnetic methods. Extended abstract for the International Symposium on Fundamental Rock Magnetism and Environmental Applications. Erice, Italy, 129-130.
20. ROBERTSON DJ and FRANCE DE. 1994. Discrimination of remanence-carrying minerals in mixtures using isothermal remanent magnetization acquisition curves. Phys. Earth Planet. Int., 82:223-234.
21. STOCKHAUSEN H. 1998. Some new aspects for the modelling of isothermal remanent magnetization acquisition curves by cumulative log Gaussian functions. Geophys. Res. Lett., 25 (12): 2217-2220.
22. THOMPSON R and OLDFIELD F. 1986. Environmental magnetism. Allen & Unwin (Publishers) Ltd., 225 pp.
23. WOHLFARTH EP. 1958. Relations between different modes of acquisition of the remanent magnetization of ferromagnetic particles. J. Appl. Phys., 29: 595-596.
24. WORM HU. 1999. Time-dependent IRM: A new technique for magnetic granulometry. Geophysical Res. Ltrs. 1999GL008360, 26 (16): 2,557.
25. XU S and DUNLOP DJ. 1995. Towards a better understanding of the Lowrie-Fuller test. J. Geophys. Res., 100:22,533-22,542.