In situ X-ray experiment on the structure of hydrous Mg-silicate melt under high pressure and high temperature

Geophysical Research Letters

Volumn 34, Issue 10, 2007, Pages

  Yamada, Akihiro ^a   Inoue, Toru ^a   Urakawa, Satoru ^b   Funakoshi, Ken Ichi ^c   Funamori, Nobumasa ^d   Kikegawa, Takumi ^e   Ohfuji, Hiroaki ^a   Irifune, Tetsuo ^a  

^a EHIME UNIVERSITY   (Japan)

^b OKAYAMA UNIVERSITY   (Japan)

^c JAPAN SYNCHROTRON RADIATION RESEARCH INSTITUTE   (Japan)

^d UNIVERSITY OF TOKYO   (Japan)

^e HIGH ENERGY ACCELERATOR RESEARCH ORGANIZATION KEK   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

FIRST SHARP DIFFRACTION PEAK (FSDP); HYDROUS SILICATE MELT; IN-SITU X-RAY DIFFRACTION; SINGLE-CRYSTAL DIAMOND CAPSULE;

DIAMONDS; HIGH PRESSURE EFFECTS; HIGH TEMPERATURE EFFECTS; MAGNESIUM; SILICATE MINERALS; SINGLE CRYSTALS; STRUCTURE (COMPOSITION); SYNCHROTRON RADIATION; X RAY DIFFRACTION ANALYSIS;

GEOCHEMISTRY;

ENSTATITE; FORSTERITE; HIGH PRESSURE; HIGH TEMPERATURE; HYDROUS MINERAL; IN SITU MEASUREMENT; MAGNESIUM; SILICATE MELT; X-RAY DIFFRACTION;

EID: 34447519866     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2006GL028823     Document Type: Article

References (21)

1. Funakoshi, K. (1997), Energy-dispersive X-ray diffraction study for alkali silicate melts using synchrotron radiation under high pressure and temperature, Ph.D. thesis, Tokyo Inst Technol., Tokyo.
2. Funamori, N., S. Yamamoto, T. Yagi, and T. Kikegawa (2004), Exploratory studies of silicate melt structure at high pressures and temperatures by in situ X-ray diffraction, J. Geophys. Res., 109, B03203, doi:10.1029/2003JB002650.
3. 2 glass under high-pressure and temperature, Phys. Rev. Lett., 93, 015501, doi:10.1103/PhysRevLett.93.015501.
4. 2O up to 15 GPa, Phys. Earth Planet Inter., 85, 237-263.
5. Inoue, T., T. Ueda, Y. Higo, A. Yamada, T. Irifune, and K. Funakoshi (2006), High-pressure and high-temperature stability and equation of state of superhydrous phase B, in Earth's Deep Water Cycle, Geophys. Monogr. Ser., vol. 168, edited by S. D. Jacobsen and S. van der Lee, pp. 147-158, AGU, Washington, D. C.
6. Ispas, S., M. Benoit, P. Jund, and R. Jullien (2002), Structural properties of glassy and liquid sodium tetrasilicate: Comparison between ab initio and classical molecular dynamics simulations, J. Non Cryst. Solids, 307-309, 946-955.
7. Jamieson, J. C., S. V. Shinogeikin, and M. H. Manghnani (1982), Pressure measurement at high temperature in X-ray diffraction studies: Gold as a primary standard, in High Pressure Research in Geophysics, edited by S. Akimoto and M. H. Manghnani, pp. 27-48, Cent. for Acad. Publ. Jpn., Tokyo.
8. Kaplow, R., S. L. Strong, and B. L. Averbach (1965), Radial distribution functions for liquid mercury and lead, Phys. Rev. A, 138, 1336-1345.
9. Katayama, T. (2002), In situ observation of a first order liquid-liquid transition of phosphorus, J. Non Cryst. Solids, 312-314, 8-14.
10. Kushiro, I. (1972), Effect of water on the composition of magmas formed at high pressure, J. Petrol., 13, 311-334.
11. 8) melt at high pressures, Earth Planet. Sci. Lett., 41, 87-90.
12. 2 glass, Phys. Rev. Lett., 69, 1387-1390.
13. Mysen, B. O., and A. L. Boettcher (1975), Melting of hydrous mantle: I. Phase relation of natural peridtite at high pressures and temperatures with controlled activities of water, carbon dioxide, and hydrogen, J. Petrol., 16, 520-548.
14. +, Chem. Geol., 57, 303-331.
15. Nishikawa, N., and T. Iijima (1984), Correction for intensity data in energy-dispersive x-ray diffractometry of liquid: Application to carbon tetrachloride, Bull. Chem. Soc. Jpn., 57, 1750-1759.
16. Waseda, Y., and J. M. Toguri (1990), Structure of silicate melts determined by X-ray diffraction, in Dynamic Process of Material Transport and Transformation in the Earth's Interior, edited by F. Marumo, pp. 37-51, Terra Sci., Tokyo.
17. Wilding, M. C., C. J. Benmore, J. A. Tangeman, and S. Sampath (2004), Evidence of different structures in magnesium silicate liquids: Coordination changes in forsterite to enstatite composition glasses, Chem. Geol., 213, 281-291.
18. 29Si NMR spectroscopy and ab initio calculations, Geochim. Cosmochim. Acta, 68, 5027-5057.
19. 27Al heteronuclear correlation NMR, Am. Mineral., 91, 1922-1926.
20. Yamada, A., T. Inoue, and T. Irifune (2004), Melting of enstatite from 13 to 18 GPa under hydrous conditions, Phys. Earth Planet. Inter., 147, 45-56.
21. Zotov, N., Y. Yanev, M. Epelbaum, and L. Konstantinov (1992), Effect of water on the structure of rhyolite glasses - X-ray diffraction and Raman spectroscopy studies, J. Non Cryst. Solids, 142, 234-246.