Nature and origin of lamellar magnetism in the hematite-ilmenite series

American Mineralogist

Volumn 89, Issue 5-6, 2004, Pages 725-747

  Robinson, Peter ^a,c   Harrison, Richard J ^b   McEnroe, Suzanne A ^a,c   Hargraves, Robert B ^d  

^a GEOLOGICAL SURVEY OF NORWAY   (Norway)

^b UNIVERSITY OF CAMBRIDGE   (United Kingdom)

^c UNIVERSITY OF MASSACHUSETTS   (United States)

^d PRINCETON UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANTIFERROMAGNETISM; CRYSTAL ORIENTATION; DEMAGNETIZATION; FERRIMAGNETISM; GEOMAGNETISM; IGNEOUS ROCKS; ILMENITE; IRON ALLOYS; IRON METALLOGRAPHY; LITHOLOGY; LOCATION; MAGNETIC FIELDS; MAGNETIC MOMENTS; MAGNETITE; MAGNETIZATION; METAMORPHIC ROCKS; POSITIVE IONS; REMANENCE; ROOM AND PILLAR MINING; TITANIUM ALLOYS; TITANIUM METALLOGRAPHY;

ANTIFERROMAGNETICS; ATOMIC-SCALE SIMULATIONS; EXTERNAL MAGNETIC FIELD; MAGNETIC INTERACTIONS; NATURAL CONDITIONS; REMANENT MAGNETIZATION; STRUCTURAL CONFIGURATIONS; THERMAL DEMAGNETIZATION;

HEMATITE;

EXSOLUTION; HEMATITE; ILMENITE; LAMINATION; REMANENT MAGNETIZATION; SOLID SOLUTION;

EID: 2942540990     PISSN: 0003004X     EISSN: None     Source Type: Journal    
DOI: 10.2138/am-2004-5-607     Document Type: Article

References (38)

1. Balsley, J.R. and Buddington, A.F. (1958) Iron titanium oxide minerals, rocks, and aeromagnetic anomalies of the Adirondack area, New York. Economic Geology, 53, 777-805.
2. Banerjee, S.K. (1991) Magnetic properties of Fe-Ti oxides. In D.H. Lindsley, Ed., Oxide Minerals: Petrologic and Magnetic Significance. Reviews in Mineralogy. Mineralogical Society of America, 25, 107-128.
3. Besser, P.J., Morrish, A.H., and Searle, C.W. (1967) Magnetocrystalline anisotropy of pure and doped hematite. Physical Review 153, 632-640.
4. Burton, B.P. (1991) The interplay of chemical and magnetic ordering. Reviews of Mineralogy, 25, 303-321.
5. Carmichael, C.M. (1961) The magnetic properties of ilmenite-hematite crytals. Royal Society of London, Proceedings Series A., 263, 508-530.
6. Ghiorso, M.S. (1997) Thermodynamic analysis of the effect of magnetic ordering on miscibility gaps in the FeTi cubic and rhombohedral oxide minerals and the FeTi oxide geothermometer. Physics and Chemistry of Minerals, 25, 28-38.
7. Hargraves, R.B. (1959) Magnetic anisotropy and remanent magnetization in hemo-ilmenite from ore deposits of Allard Lake, Quebec. Journal of Geophysical Research, 64, 1565-1573.
8. Hargraves, R.B. and Burt, D.M. (1967) Paleomagnetism of the Allard Lake Anorthosite suite, Canadian Journal of Earth Sciences, 4, 357-369.
9. Harrison, R.J. (2000) Magnetic transition in minerals. Reviews of Mineralogy, 39, 175-202.
10. Harrison, R.J. and Beeker, U. (2001) Magnetic ordering in solid solutions, European Mineralogical Union Notes in Mineralogy, 3, 349-383.
11. Harrison, R.J. and Putnis, A. (1999) The magnetic properties and crystal chemistry of oxide spinel solid solutions. Surveys in Geophysics, 19, 461-520.
12. Harrison, R.J., Becker, U., and Redfern, S.A.T (2000) Thermodynamics of the R3̄ to R3̄c phase transition in the ilmenite-hematite solid solution. American Mineralogist, 85, 1694-1705.
13. Harrison, R.J., McEnroe, S., Golla, U., and Becker, U. (2001) The Origin of Stable Remanent Magnetization in Exsolved Titanohematite: Insights Through the Application of Neutron Diffraction, Transmission Electron Microscopy, Electron Energy Loss Spectroscopy, and Monte Carlo Simulations. EUG XI-European Union of Geosciences, April 8th-12th, 2001. Journal of Conference Abstracts, 6, 701.
14. Harrison, R.J., McEnroe, S., and Robinson, P. (2002) Lamellar magnetism: A source of unusually strong and stable magnetization on the Earth and other planets? EOS Transactions American Geophysical Union Spring Meeting Supplement. 83, M32A-05.
15. Hoffman, K.A. (1992) Self-reversal of thermoremanent magnetization in the ilmenite-hematite system: Order-disorder, symmetry, and spin alignment. Journal of Geophysical Research, 97, 10,883-10,895.
16. Ishikawa, Y., Saito, N., Arai, M., Watanabe, Y., and Takei, H. (1985) A new oxide spin glass system of (1-x)FeTiO3 - xFe2O3. I. Magnetic properties. Journal of the Physical Society of Japan. 54, 312-325.
17. Lindsley, D.H. (1976) The crystal chemistry and structure of oxide minerals as exemplified by the Fe-Ti oxides. Reviews in Mineralogy, 3, L1-L60.
18. 2. Lithos, 7, 65-68.
19. McEnroe, S.A. and Brown, L.L. (2000) A closer look at remanence-dominated aeromagnetic anomalies: Rock-magnetic properties and magnetic mineralogy of the Russell Belt microcline-sillimanite gneiss. Northwest Adirondack Mountains, New York. Journal of Geophysical Research 105, 16,437-16,456.
20. McEnroe, S.A., Harrison, R., Robinson, P., and Dyar, D. (2001a) Chemical and magnetic properties of hematite produced by phase separation from hematite-ilmenite solid solution during slow cooling. European Geophysical Society, Journal of Conference Abstracts (EUG X1), 6, 538.
21. McEnroe, S.A., Harrison, R., Robinson, P., Dyar, D., and Brown, L.B. (2001b) Effects of slow cooling on exsolution microtextures and consequent magnetic properties of the hematite-ilmenite series. European Geophysical Society. Geophysical Research Abstracts, 3, 1282.
22. McEnroe, S.A., Harrison, R.J., Robinson, P., Golla, U., and Jercinovic, M.J. (2001c) The effect of fine-scale microstructures in titanohematite on the acquisition and stability of NRM in granulite facies metamorphic rocks from Southwest Sweden: Implications for crustal magnetism. Journal of Geophysical Research, 106, 30,523-30,546.
23. McEnroe, S.A., Robinson, P., and Panish, P. (2001d) Aeromagnetic anomalies, magnetic petrology and characterization of ilmenite-and magnetic-rich cumulates of the Sokndal region. Rogaland, Norway. American Mineralogist 86, 1447-1468.
24. McEnroe, S.A., Robinson, P., Shaw, C., and Langenhorst, F. (2001e) Exploration of crustal magnetism in the Ilmenite-Hematite system. From Crust to Core (Conference Abstracts), Verbania, Italy, T2-3.
25. McEnroe, S.A., Dyar, M.D., and Brown, L.L. (2002a) Magnetic signatures on planets without magnetic fields. Lunar and Planetary Science, XXXIII, 1287-1288.
26. McEnroe, S.A., Harrison, R.J., Robinson, P., and Langenhorst, F. (2002b) Nanoscale hematite-ilmenite lamellae in massive ilmenite rock: an example of "Lamellar Magnetism" with implications for planetary magnetic anomalies, Geophysical Journal International, 151, 890-912.
27. McEnroe, S.A., Brown, L.L., and Robinson, P. (2004) Earth analog for Martian magnetic anomalies: Remanence properties of hemo-ilmenite norites in the Bjerkreim-Sokndal Intrusion. Rogaland, Norway. Journal of Applied Geophysics, in press.
28. Merrill, R.T. (1968) A possible source for the coercivity of ilmenite-hematite minerals. Journal of Geomagnetism and Electricity 20, 181-185.
29. Merrill, R.T. and Grommé, C.S. (1969) Nonreproducible self-reversal of magnetization in diorite. Journal of Geophysical Research, 74, 2014-2024.
30. Morrish, A.H. (1994) Canted antiferromagnetism: hematite. World Scientific Publishing Co. Singapore, 173 p.
31. Nagata, Takesi (1961) Rock Magnetism. Maruzen, Tokyo, 350 p.
32. Nord, G.L. Jr. (1992) Imaging transformation-induced microstructures. Reviews in Mineralogy, 27, 455-508.
33. Nord, G.L. and Lawson, C.A. (1989) Order-disorder transition-induced twin domains and magnetic properties in ilmenite-hematite. American Mineralogist, 74, 160-176.
34. Nord, G.L. and Lawson, C.A. (1992) Magnetic properties of ilmenite70-hematite30: effect of transformation induced twin boundaries, Journal of Geophysical Research, 97, 10,897-10,910.
35. Robinson, P., Harrison, R.J., McEnroe, S.A., and Hargraves, R.B. (2002) Lamellar magnetism in the haematite-ilmenite series as an explanation fro strong remanent magnetization. Nature, 418, 517-520.
36. Uyeda, S. (1957) Thermo-remanent magnetism and coercive force of the ilmenite-hematite series. Journal of Geomagnetism and Geoelectricity, 9, 61-78.
37. Uyeda, S. (1958) Thermo-remanent magnetism as a medium of paleomagnetism, with special reference to reverse thermo-remanent magnetism. Japan Journal of Geophysics, 2, 1-123.
38. Waychunas, G.A. (1991) Crystal chemistry of oxides and hydroxides. Reviews in Mineralogy, 25, 11-68. Mineralogical Society of America, Washington, D.C.