Iron partitioning between perovskite and post-perovskite: A transmission electron microscope study

American Mineralogist

Volumn 93, Issue 10, 2008, Pages 1678-1681

  Hirose, Kei ^a   Takafuji, Naoto ^a   Fujino, Kiyoshi ^b   Shieh, Sean R ^c   Duffy, Thomas S ^d  

^a TOKYO INSTITUTE OF TECHNOLOGY   (Japan)

^b HOKKAIDO UNIVERSITY   (Japan)

^c UNIVERSITY OF WESTERN ONTARIO   (Canada)

^d PRINCETON UNIVERSITY   (United States)

Author keywords

D layer; Iron partitioning; Perovskite; Phase transition; Post perovskite

Indexed keywords

CHEMICAL ANALYSIS; EXPERIMENTAL MINERALOGY; HIGH PRESSURE EFFECTS IN SOLIDS; IRON; IRON COMPOUNDS; IRON METALLOGRAPHY; MAGNESIUM COMPOUNDS; PHASE TRANSITIONS; SILICON COMPOUNDS; TRANSMISSION ELECTRON MICROSCOPY; TRANSMISSIONS;

BULK COMPOSITIONS; CO-EXISTING; COMPETING EFFECTS; FERROUS IRON; LASER-HEATED DIAMOND ANVIL CELLS; PEROVSKITE GRAINS; POST PEROVSKITE; POST-PEROVSKITE PHASE TRANSITION;

PEROVSKITE;

CONFERENCE PROCEEDING; DIAMOND ANVIL CELL; EXPERIMENTAL MINERALOGY; HIGH PRESSURE; HIGH TEMPERATURE; MINERAL SYNTHESIS; PARTITIONING; PEROVSKITE; PHASE TRANSITION; TRANSMISSION ELECTRON MICROSCOPY;

EID: 56449090676     PISSN: 0003004X     EISSN: None     Source Type: Journal    
DOI: 10.2138/am.2008.3001     Document Type: Conference Paper

References (35)

1. Asahara, Y., Frost, D.J., and Rubie, D.C. (2007) Partitioning of FeO between magnesiowüstite and liquid iron at high pressures and temperatures: Implications for the composition of the Earth's outer core. Earth and Planetary Science Letters, 257, 435-449.
2. Auzende, A.-L., Badro, J., Ryerson, F.J., Weber, P.K., Fallon, S.J., Addad, A., Siebert, J., and Fiquet, G. (2008) Element partitioning between magnesium silicate perovskite and ferropericlase: new insights into bulk lower-mantle geochemistry. Earth and Planetary Science Letters, 269, 164-174.
3. 3 system and implications for the lowermost mantle. Geophysical Research Letters, 32, L163 10, DOI: 10.1029/2005GL023164.
4. Cliff, G. and Lorimer, G.W. (1975) The quantitative analysis of thin specimens. Journal of Microscopy, 103, 203-207.
5. Cococcioni, M. and de Gironcoli, S. (2005) Linear response approach to the calculation of the effective interaction parameters in the LDA + U method. Physical Review B, 71, 035105.
6. Dobson, D.P. and Brodbolt, J.P. (2005) Subducted banded iron formations as a source of ultralow-velocity zones at the core-mantle boundary. Nature, 434, 371-374.
7. 3 on Fe-Mg partitioning between magnesiowüstite and magnesium silicate perovskite. Earth and Planetary Science Letters, 199, 227-241.
8. Fujino, K., Miyajima, N., Yagi, T., Kondo, T., and Funamori, N. (1998) Analytical electron microscopy of the garnet-perovskite transformation in a laser-heated diamond anvil cell. In M.H. Manghnani and T. Yagi, Eds., Properties of Earth and Planetary materials at high pressure and temperature, p. 409-417. American Geophysical Union, Washington, D.C.
9. Hirose, K. (2006) Postperovskite phase transition and its geophysical implications. Reviews of Geophysics, 44, RG3001, DOI: 10. 1029/ 2005RG000186.
10. Hirose, K. and Fei, Y. (2002) Subsolidus and melting phase relations of basaltic composition in the uppermost lower mantle. Geochimica Cosmochimica et Acta, 66, 2099-2108.
11. Hirose, K. and Sinmyo, R. (2007) Partitioning of iron between lower mantle minerals. Eos Transactions American Geophysical Union, 88(52), Fall Meeting Supplement, Abstract MR23D-01.
12. Hirose, K., Takafuji, N., Sata, N., and Ohishi, Y. (2005) Phase transition and density of subducted MORB crust in the lower mantle. Earth and Planetary Science Letters, 237, 239-251.
13. Holmes, N.C., Moriarty, J.A., Gathers, G.R., and Nellis, W.J. (1989) The equation of state of platinum to 660 GPa (6.6 MBar). Journal of Applied Physics, 66, 2962-2967.
14. Ito, E., Kubo, A., Katsura, T., and Walter, M.J. (2004) Melting experiments of mantle materials under lower mantle conditions with implications for magma ocean differentiation. Physics of the Earth and Planetary Interiors, 143-144, 397-406.
15. 3 post-perovskite, perovskite, and magnesiowüstite in the Earth's lower mantle. Geophysical Research Letters, 32, L19301, DOI: 10.1029/2005GL023257.
16. 3 perovskite: A highly oxidized component of the lower mantle. Contributions to Mineralogy and Petrology, 138, 17-26.
17. Lay, T. and Garnero, E.J. (2007) Reconciling the post-perovskite phase with seismological observations of lowermost mantle structure. In K. Hirose, J. Brodholt, T. Lay, and D. Yuen, Eds., Post-perovskite: The last mantle phase transition, p. 129-153. American Geophysical Union, Washington, D.C.
18. Mao, W.L., Shen, G., Prakapenka, V.B., Meng, Y., Cambell, A.J., Heinz, D., Shu, J., Hemley, R.J., and Mao, H.-K. (2004) Ferromagnesian postperovskite silicates in the D″ layer of the earth. Proceedings of the National Academy of Sciences, 101, 15867-15869.
19. 3. Science, 304, 855-858.
20. Murakami, M., Hirose, K., Sata, N., and Ohishi, Y. (2005) Post-perovskite phase transition and crystal chemistry in the pyrolitic lowermost mantle. Geophysical Research Letters, 32, L03304, DOI: 10.1029/ 2004GL021956.
21. 3 perovskite on the post-perovskite transition. Geophysical Research Letters, 34, L12307, DOI: 10.1029/2007GL029991.
22. 3 in Earth's D″ layer. Nature, 430, 445-448.
23. Olua, K., Onoda, S., Hirose, K., Sinmyo, R., Shimizu, K., Sata, N., Ohishi, Y., and Yasuhara, A. (2008a) The electrical conductivity of post-perovskite in Earth's D″ layer. Science, 320, 89-91.
24. Ohta, K., Hirose, K., Lay, T., Sata, N., and Ohishi, Y. (2008b) Phase transitions in pyrolite and MORB at lowermost mantle conditions: Implications for a MORB-rich pile above the core-mantle boundary. Earth and Planetary Science Letters, 267, 107-117.
25. 3 and pyrolitic mantle composition. Earth and Planetary Science Letters, 236, 914-932.
26. 3 at high pressures and high temperatures. Journal of Physics and Chemistry of Solids, 66, 1714-1720.
27. Ozawa, H., Hirose, K., Mitome, M., Bando, Y., Sata, N., and Ohishi, Y. (2008) Chemical equilibrium between ferropericlase and molten iron to 134 GPa and implications for iron content at the bottom of the mantle. Geophysical Research Letters, 35, L05308, DOI: 10.1029/2007GL032648.
28. 3 orthopyroxene. Proceedings of the National Academy of Sciences, 103, 3039-3043.
29. Sinmyo, R., Hirose, K., O'Neill, H.St.C., and Okunishi, E. (2006) Ferric iron in Al-bearing post-perovskite phase. Geophysical Research Letters, 33, L12S13, DOI: 10.1029/2006GL025858.
30. 3 perovskite and post-perovskite in the deep lower mantle conditions. American Mineralogist, in press.
31. 3 end-members of the perovskite and post-perovskite phases. Geophysical Research Letters, 33, L01304, DOI: 10.102912005GL023887.
32. 3 perovskite and the light elements in the core. Geophysical Research Letters, 32, L06313, DOI: 10.1029/2005GL022773.
33. 12 to 180 GPa: effect of Al on post-perovskite phase transition. Geophysical Research Letters, 32, L15306, DOI: 10.1029/2005GL023309.
34. Tateno, S., Hirose, K., Sata, N., and Ohishi, Y. (2007) High solubility of FeO in perovskite and the post-perovskite phase transition. Physics of the Earth and Planetary Interiors, 160, 319-325.
35. Zhang, F. and Oganov, A.R. (2006) Valence state and spin transition of iron in Earth's mantle silicates. Earth and Planetary Science Letters, 249, 436-443.