Experimental constraints on the temperature profile in the lower mantle

Physics of the Earth and Planetary Interiors

Volumn 170, Issue 3-4, 2008, Pages 267-273

  Ono, Shigeaki ^a,b  

^a JAPAN AGENCY FOR MARINE EARTH SCIENCE AND TECHNOLOGY   (Japan)

^b UNIVERSITY COLLEGE LONDON   (United Kingdom)

Author keywords

Calcium perovskite; High pressure; High spin low spin transition; Mantle geotherm; Phase transition; Pyrolite mantle

Indexed keywords

CALCIUM; EXPERIMENTS; OLIVINE; OXIDE MINERALS; PEROVSKITE; SILICATE MINERALS; SPIN DYNAMICS; TEMPERATURE CONTROL;

HIGH PRESSURE; HIGH-SPIN LOW-SPIN TRANSITION; MANTLE GEOTHERM; PHASE TRANSITION; PYROLITE MANTLE;

PHASE TRANSITIONS;

CALCIUM; EXPERIMENTAL STUDY; HIGH PRESSURE; LOWER MANTLE; MANTLE STRUCTURE; MODELING; PEROVSKITE; PYROLITE; TEMPERATURE PROFILE;

EID: 54049126059     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.pepi.2008.06.033     Document Type: Article

References (59)

1. 3 perovskite at P-T conditions of Earth's lower mantle. Phys. Rev. B 73 (2006) 184106
2. Alfè D., Gillan M.J., and Price G.D. The melting curve of iron at Earth's core pressures from ab initio calculations. Nature 401 (1999) 462-464
3. Anderson O.L. The Earth's core and the phase diagram of iron. Philos. Trans. R. Soc. Lond. A 306 (1982) 21-35
4. Badro J., Struzhkin V.V., Shu J., Hemley R.J., Mao H.K., Kao C.C., Rueff J.P., and Shen G. Magnetism in FeO at megabar pressures from X-ray emission spectroscopy. Phys. Rev. Lett. 83 (1999) 4101
5. Badro J., Fiquet G., Guyot F., Rueff J.P., Struzhkin V.V., Vankó G., and Monaco G. Iron partitioning in Earth's mantle: toward a deep lower mantle discontinuity. Science 300 (2003) 789-791
6. Birch F. Elasticity and constitution of the Earth's interior. J. Geophys. Res. 57 (1952) 227-286
7. Blöchl P.E. Projector augmented-wave method. Phys. Rev. B 50 (1994) 17953-17979
8. Brown J.M., and McQueen R.G. Phase transitions, Grüneisen parameter, and elasticity for shocked iron between 77 and 400 GPa. J. Geophys. Res. 91 (1986) 7485-7494
9. Brown J.M., and Shankland T.J. Thermodynamic parameters in the Earth as determined from seismic profiles. Geophys. J. R. Astr. Soc. 66 (1981) 579-596
10. 3 perovskite at lower mantle pressures. Geophys. Res. Lett. 32 (2005) L06306
11. 2/mnm ↔ Pnnm phase transition. J. Geophys. Res. 105 (2000) 10807-10816
12. da Silva C.R.S., Wentzcovitch R.M., Patel A., Price G.D., and Karato S.I. The composition and geotherm of the lower mantle: constraints from the elasticity of silicate perovskite. Phys. Earth Planet. Inter. 118 (2000) 103-109
13. Dziewonski A.M., and Anderson D.L. Preliminary reference Earth model. Phys. Earth Planet. Inter. 25 (1981) 297-356
14. Gillan M.J., Alfè D., Brodholt J.P., Vočadlo L., and Price G.D. First-principles modeling of Earth and planetary materials at high pressures and temperatures. Rep. Prog. Phys. 69 (2006) 2365-2441
15. Goncharov A.F., Struzhkin V.V., and Jacobsen S.D. Reduced radiative conductivity of low-spin (Mg,Fe)O in the lower mantle. Science 312 (2006) 11205-11208
16. Hammersley J. Fit2d User Manual (1996), ESRF, Grenoble, France
17. Hernlund J.W., Thomas C., and Tackley P.J. A doubling of the post-perovskite phase boundary and structure of the Earth's lowermost mantle. Nature 434 (2005) 882-886
18. Holmes N.C., Moriarty J.A., Gathers G.R., and Nellis W.J. The equation of state of platinum to 660 GPa (6.6 Mbar). J. Appl. Phys. 66 (1989) 2962-2967
19. Irifune T., and Ringwood A.E. Phase transitions in primitive MORB and pyrolite compositions to 25 GPa and some geophysical implications. In: Manghnanii M.H., and Syono Y. (Eds). High-Pressure Research in Mineral Physics (1987), Terra Scientific Publishing Company, Tokyo/American Geophysical Union, Washington, DC 231-242
20. Ito E., and Katsura T. A temperature profile of the mantle transition zone. Geophys. Res. Lett. 16 (1989) 425-428
21. 3 perovskite. Phys. Chem. Miner. 32 (2005) 146-153
22. 4 determined by high P-T in situ X-ray diffractometry. Phys. Earth Planet. Inter. 136 (2003) 11-24
23. 4. J. Geophys. Res. 109 (2004) B02209
24. Keppler H., Kantor I., and Dubrovinsky L.S. Optical absorption spectra of ferropericlase to 84 GPa. Am. Miner. 92 (2007) 433-436
25. Kresse G., and Furthmüller J. Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set. Phys. Rev. B 54 (1996) 11169-11186
26. Kresse G., and Joubert D. From ultrasoft pseudopotentials to the projector augmented-wave method. Phys. Rev. B 59 (1999) 1758-1775
27. Larson A.C., Von Dreele R.B., 2000. General Structure Analysis System (GSAS), Los Alamos National Laboratory Report LAUR 86-748.
28. 3 perovskite at high pressure and temperature: insights from ab initio molecular dynamics. Phys. Earth Planet. Inter. 155 (2006) 260-268
29. Lin J.F., Struzkin V.V., Jacobsen S.D., Hu M.Y., Chow P., Kung J., Liu H., Mao H.K., and Hemley R.J. Spin transition of iron in magnesiowüstite in the Earth's lower mantel. Nature 436 (2005) 377-380
30. Lin J.F., Jacobsen S.D., Sturhahn W., Jackson J.M., Zhao J., and Yoo C.S. Sound velocities of ferropericlase in the Earth's lower mantle. Geophys. Res. Lett. 33 (2006) L22304
31. 3 perovskite. Phys. Earth Planet. Inter. 134 (2002) 239-252
32. Mattila A., Rueff J.P., Badro J., Vankó G., and Shukla A. Metal-ligand interplay in strongly correlated oxides: a parametrized phase diagram for pressure-induced spin transitions. Phys. Rev. Lett. 98 (2007) 196404
33. Monnereau M., and Yuen D.A. How flat is the lower-mantle temperature gradient?. Earth Planet. Sci. Lett. 202 (2002) 171-183
34. 3 in Earth's D″ layer. Nature 430 (2004) 445-448
35. 3 and pyrolitic mantle composition. Earth Planet. Sci. Lett. 236 (2005) 914-932
36. Ono S., Ito E., and Katsura T. Mineralogy of subducted basaltic crust (MORB) from 25 to 37 GPa, and chemical heterogeneity of the lower mantle. Earth Planet. Sci. Lett. 190 (2001) 57-63
37. Ono S., Ohishi Y., and Mibe K. Phase transition of Ca-perovskite and stability of Al-bearing Mg-perovskite in the lower mantle. Am. Miner. 89 (2004) 1480-1485
38. 2. J. Appl. Phys. 97 (2005) 073523
39. 3. J. Phys. Condens. Matter 17 (2005) 269-276
40. Ono S., Ohishi Y., Isshiki M., and Watanuki T. In situ X-ray observations of phase assemblages in peridotite and basalt compositions at lower mantle conditions: implications for density of subducted oceanic plate. J. Geophys. Res. 110 (2005) B02208
41. Ono S., Ohishi Y., and Kikegawa T. High-pressure study of rhombohedral iron oxide, FeO, at pressures between 41 and 142 GPa. J. Phys. Condens. Matter 19 (2007) 036205
42. 0.94O: Mössbauer spectroscopy beyond 100 GPa. Phys. Rev. Lett. 79 (1997) 5046
43. Shankland T.J., and Brown J.M. Homogeneity and temperatures in the lower mantle. Phys. Earth Planet. Inter. 38 (1985) 51-58
44. 3 perovskite above 20-GPa. Geophys. Res. Lett. 29 (2002) 2166
45. Speziale S., Milner A., Lee V.E., Clark S.M., Pasternak M.P., and Jeanloz R. Iron spin transition in Earth's mantle. Proc. Natl. Acad. Sci. 102 (2005) 17918-17922
46. Stacey F.D., and Davis P.M. High pressure equations of state with applications to the lower mantle and core. Phys. Earth Planet. Inter. 142 (2004) 137-184
47. 3 perovskite and implications for lower mantle structure. Am. Miner. 81 (1996) 1293-1296
48. 3 perovskite at high pressure. Phys. Rev. B 75 (2007) 024108
49. Sturhahn W., Jackson J.M., and Lin J.F. The spin state of iron in minerals of Earth's lower mantle. Geophys. Res. Lett. 32 (2005) L12307
50. Sun D., Song T.R.A., and Helmberger D. Complexity of D″ in the presence of slab-debris and phase changes. Geophys. Res. Lett. 33 (2006) L12S07
51. Takahashi E. Melting of a dry peridotite KLB-1 up to 14 GPa: implications on the origin of peridotitic upper mantle. J. Geophys. Res. 91 (1986) 9367-9382
52. Thomas C., Kendall J., and Lowman J. Lower-mantle seismic discontinuities and the thermal morphology of subducted slabs. Earth Planet. Sci. Lett. 224 (2004) 105-113
53. 3 perovskite in the earth's lower mantle. Earth Planet. Sci. Lett. 224 (2004) 241-248
54. Turcotte D.L., and Schbert G. Geodynamics (1982), Wiley, New York p. 456
55. Wang C. Temperature in the lower mantle. Geophys. J. R. Astr. Soc. 27 (1972) 29-36
56. Wang Y., and Perdew J.P. Correlation hole of the spin-polarized electron gas, with exact small-wave-vector and high-density scaling. Phys. Rev. B 44 (1991) 13298-13307
57. Williams Q., and Garnero E.J. Seismic evidence for partial melt at the base of Earth's lower mantle. Science 273 (1996) 1528-1530
58. Zerr A., Diegler A., and Boehler R. Solidus of Earth's deep mantle. Science 281 (1998) 243-246
59. Zhang J., and Herzberg C. Melting experiments on anhydrous peridotite KLB-1 from 5.0 to 22.5 GPa. J. Geophys. Res. 99 (1994) 17729-17742