Magnetic phases in hemo-ilmenite: Insight from low-velocity and high-field Mössbauer spectroscopy

Geophysical Research Letters

Volumn 34, Issue 7, 2007, Pages

  Frandsen, C ^a,b   Morup S ^a   McEnroe, S A ^c   Robinson, P ^c   Langenhorst, F ^d,e  

^a TECHNICAL UNIVERSITY OF DENMARK   (Denmark)

^b Kunstakademiets Arkitektskole   (Denmark)

^c GEOLOGICAL SURVEY OF NORWAY   (Norway)

^d FRIEDRICH SCHILLER UNIVERSITY JENA   (Germany)

^e UNIVERSITÄT BAYREUTH   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

FERRIMAGNETIC MATERIALS; GEOMAGNETISM; HEMATITE; ILMENITE; MOSSBAUER SPECTROSCOPY;

EXSOLUTION; HEMO-ILMENITE;

MINERALOGY;

CHEMICAL COMPOSITION; EXSOLUTION; HEMATITE; ILMENITE; MAGNETIC PROPERTY; MOSSBAUER SPECTROSCOPY; PHASE VELOCITY; STOICHIOMETRY;

ALLARD LAKE; CANADA; NORTH AMERICA; QUEBEC [CANADA];

EID: 34250767794     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2006GL029063     Document Type: Article

References (15)

1. Bahl, C. R. H., M. F. Hansen, T. Pedersen, S. Saadi, K. H. Nielsen, B. Lebech, and S. Mørup (2006), The magnetic moment of NiO nanoparticles determined by Mössbauer spectroscopy, J. Phys. Condens. Matter, 18, 4161-4175.
2. Bødker, F., M. F. Hansen, C. B. Koch, K. Lefmann, and S. Mørup (2000), Magnetic properties of hematite nanoparticles, Phys. Rev. B, 61, 6826-6838.
3. Burton, B. P. (1991), The interplay of chemical and magnetic ordering, Rev. Mineral., 25, 303-321.
4. Dyar, M. D., S. A. McEnroe, E. Murad, L. L. Brown, and H. Schiellerup (2004), The relationship between exsolution and magnetic properties in hemo-ilmenite: Insights from Mössbauer spectroscopy with implications for planetary magnetic anomalies, Geophys. Res. Lett., 31, L04608, doi:10.1029/2003GL019076.
5. Ericsson, T., A. Krisnhamurthy, and B. K. Srivastava (1986), Morin transition in Ti-substituted hematite - A Mössbauer study, Phys. Scr., 33, 88-90.
6. Hargraves, R. B. (1959), Magnetic anisotropy and remanent magnetism in hemo-ilmenite from ore deposits at Allard Lake, Quebec, J. Geophys. Res., 64, 1565-1578.
7. Harrison, R. J., U. Becker, and S. A. T. Redfern (2000), Thermodynamics of the R (3)over-bar to R (3)over-barc phase transition in the ilmenite-hematite solid solution, Am. Mineral., 85, 1694-1705.
8. 3 solid solution series, J. Phys. Soc. Jpn., 12, 1083-1098.
9. 3, I. Magnetic properties, J. Phys. Soc. Jpn., 54, 312-325.
10. Langenhorst, F., P. Joreau, and J.-C. Doukhan (1995), Thermal and shock metamorphism of the Tenham meteorite: A TEM examination, Geochim. Cosmochim. Acta, 59, 1835-1845.
11. McEnroe, S. A., R. J. Harrison, P. Robinson, U. Golla, and M. J. Jercinovic (2001), Effect of fine-scale microstructures in titanohematite on the acquisition and stability of natural remanent magnetization in granulite facies metamorphic rocks, southwest Sweden: Implications for crustal magnetism, J. Geophys. Res., 106, 30,523-30,546.
12. McEnroe, S. A., R. Harrison, P. Robinson, and F. Langenhorst (2002), Nanoscale haematite-ilmenite lamellae in massive ilmenite rock: An example of 'lamellar magnetism' with implications for planetary magnetic anomalies, Geophys. J. Int., 151, 890-912.
13. Robinson, P., R. J. Harrison, S. A. McEnroe, and R. B. Hargraves (2002), Lamellar magnetism in the hematite-ilmenite series as an explanation for strong remanent magnetization, Nature, 418, 517-520.
14. Robinson, P., R. J. Harrison, R. B. Hargraves, and S. A. McEnroe (2004), Nature and origin of lamellar magnetism in the hematite-ilmenite series, Am. Mineral., 89, 725-747.
15. 3) minerals, J. Phys. Condens. Matter, 16, 2707-2718.