X-ray Raman scattering study of MgSiO3 glass at high pressure: Implication for triclustered MgSiO3 melt in Earth's mantle

Proceedings of the National Academy of Sciences of the United States of America

Volumn 105, Issue 23, 2008, Pages 7925-7929

  Sung, Keun Lee ^a   Lin, Jung Fu ^b   Cai, Yong Q ^c   Hiraoka, Nozomu ^c,l   Eng, Peter J ^d,e   Okuchi, Takuo ^f   Mao, Ho Kwang ^g,h   Meng, Yue ^g,h   Hu, Michael Y ^g   Chow, Paul ^g   Shu, Jinfu ^h   Li, Baosheng ⁱ   Fukui, Hiroshi ^j,m   Bum, Han Lee ^a   Hyun, Na Kim ^a   Yoo, Choong Shik ^k  

^a Seoul National University   (South Korea)

^b LAWRENCE LIVERMORE NATIONAL LABORATORY   (United States)

^c NATIONAL SYNCHROTRON RADIATION RESEARCH CENTER   (Taiwan)

^d UNIVERSITY OF CHICAGO   (United States)

^e UNIVERSITY OF CHICAGO   (United States)

^f NAGOYA UNIVERSITY   (Japan)

^g ARGONNE NATIONAL LABORATORY   (United States)

^h GEOPHYSICAL LABORATORY   (United States)

ⁱ STONY BROOK UNIVERSITY   (United States)

^j OKAYAMA UNIVERSITY   (Japan)

^k WASHINGTON STATE UNIVERSITY   (United States)

^l BROOKHAVEN NATIONAL LABORATORY   (United States)

^m Institute of Physical and Chemical Research   (Japan)

more..

Author keywords

Silicate melts at high pressure; Tricluster oxygen

Indexed keywords

GLASS; MAGNESIUM SILICATE;

ARTICLE; CHEMICAL STRUCTURE; DENSITY; DIFFUSION; GEOLOGY; MELTING POINT; PRIORITY JOURNAL; RADIATION SCATTERING; VISCOSITY;

EID: 46149121519     PISSN: 00278424     EISSN: 10916490     Source Type: Journal    
DOI: 10.1073/pnas.0802667105     Document Type: Article

References (41)

1. Tonks WB, Melosh HJ (1993) Magma ocean formation due to giant impacts. J Geophy Res Planet 98:5319-5333.
2. Ohtani E (1985) The primordial terrestrial magma ocean and its implication for stratification of the mantle. Phys Earth Planet Int 38:70-80.
3. Labrosse S, Hernlund JW, Coltice N (2007) A crystallizing dense magma ocean at the base of the Earth's mantle. Nature 450:866-869.
4. Revenaugh J, Sipkin SA (1994) Seismic evidence for silicate melt atop the 410 Km mantle discontinuity. Nature 369:474-476.
5. Sakamaki T, Suzuki A, Ohtani E (2006) Stability of hydrous melt at the base of the Earth's upper mantle. Nature 439:192-194.
6. Song TRA, Helmberger DV, Grand SP (2004) Low-velocity zone atop the 410-km seismic discontinuity in the northwestern United States. Nature 427:530-533.
7. 3 perovskite and implications for melts in Earth's lowermost mantle. Geophys Res Lett 31:L14612.
8. Williams Q, Garnero EJ (1996) Seismic evidence for partial melt at the base of Earth's mantle. Science 273:1528-1530.
9. Angell CA, Cheeseman PA, Tamaddon S (1982) Pressure enhancement of ion mobilities in liquid silicates from computer simulations studies to 800 kbar. Science 218:885- 887.
10. Lee SK, Cody GD, Fei Y, Mysen BO (2004) The nature of polymerization and properties of silicate glasses and melts at high pressure. Geochim Cosmochim Acta 68:4189-4200.
11. Yarger JL, et al. (1995) Al coordination changes in high-pressure aluminosilicate liquids. Science 270:1964-1967.
12. 3 liquid in Earth's lower mantle. Science 310:297-299.
13. 2. Phys Rev B 70:165108.
14. 3 in Earth's D'' layer. Nature 430:445-448.
15. 3. Science 304:855-858.
16. Wolf GH, McMillan PF (1995) in Structure, Dynamics, and Properties of Silicate Melts, eds Stebbins JF, McMillan PF, Dingwell DB (Mineralogical Society of America, Washington, DC), Vol 32, pp 505-562.
17. Xue X, Stebbins JF, Kanzaki M, Tronnes RG (1989) Silicon coordination and speciation changes in a silicate liquid at high pressures. Science 245:962-964.
18. Allwardt JR, et al. (2005) Aluminum coordination and the densification of high-pressure aluminosilicate glasses Am Mineral 90:1218-1222.
19. Lee SK, Fei Y, Cody GD, Mysen BO (2003) Order and disorder of sodium silicate glasses and melts at 10 GPa. Geophys Res Lett 30:1845.
20. Xue X, Stebbins JF, Kanzaki M (1994) Correlations between O-17 NMR parameters and local structure around oxygen in high-pressure silicates and the structure of silicate melts at high pressure. Am Mineral 79:31-42.
21. 2 from ab initio simulations. Phys Rev Lett 89:245504.
22. 3 glasses at high pressure with inelastic x-ray scattering. Nat Mater 4:851-854.
23. Stebbins JF, Xu Z (1997) NMR evidence for excess non-bridging oxygen in aluminosilicate glass. Nature 390:60-62.
24. 9 liquid at high pressure. J Phys Chem B 102:3003-3008.
25. Bouhifd MA, Jephcoat AP (2006) Aluminium control of argon solubility in silicate melts under pressure. Nature 439:961-964.
26. Lee SK, Eng PJ, Mao HK, Meng Y, Shu JF (2007) Structure of alkali borate glasses at high pressure. Phys Rev Lett 98:105502.
27. 2 glass. Phys Rev B 75:012201.
28. 2O. Phys Rev Lett 94:025502.
29. Wernet P, et al. (2004) The structure of the first coordination shell in liquid water. Science 304:995-999.
30. Meng Y, et al. (2004) The formation of sp(3) bonding in compressed BN. Nat Mater 3:111-114.
31. Mao WL, et al. (2003) Bonding changes in compressed superhard graphite. Science 302:425-427.
32. Bergmann U, et al. (2002) X-ray Raman spectroscopy at the oxygen K edge of water and ice: Implications on local structure models. Phys Rev B 66:092107.
33. Davoli I, et al. (1992) Structure of densified vitreous silica - silicon and oxygen Xanes spectra and multiple-scattering calculations. Phys Chem Mineral 19:171-175.
34. 2 polymorphs: A comparison to ELNES and XANES spectra. J Phys Cond Matt 8:3323-3336.
35. Liang YF, Miranda CR, Scandolo S (2007) Mechanical strength and coordination defects in compressed silica glass: Molecular dynamics simulations. Phys Rev B 75:024205.
36. 11B NMR. J Phys Chem B 105:12583-12595.
37. 2 glass under high pressure and temperature. Phys Rev Lett 93:015501.
38. Corgne A, Liebske C, Wood BJ, Rubie DC, Frost DJ (2005) Silicate perovskite-melt partitioning of trace elements and geochemical signature of a deep perovskitic reservoir. Geochim Cosmochim Acta 69:485-496.
39. Murthy VR, van Westrenen W, Fei Y (2003) Experimental evidence that potassium is a substantial radioactive heat source in planetary cores. Nature 423:163-165.
40. Lee SK, Mysen BO, Cody GD (2003) Chemical order in mixed cation silicate glasses and melts. Phys Rev B 68:214206.
41. 3 silicate. J Phys Cond Matt 15:5523-5533.