Forsterite, wadsleyite, and ringwoodite (mg2sio4): 29Si NMR constraints on structural disorder and effects of paramagnetic impurity ions

American Mineralogist

Volumn 94, Issue 4, 2009, Pages 626-629

  Stebbins, Jonathan F ^a   Panero, Wendy R ^b   Smyth, Joseph R ^c   Frost, Daniel J ^d  

^a STANFORD UNIVERSITY   (United States)

^b OHIO STATE UNIVERSITY   (United States)

^c UNIVERSITY OF COLORADO   (United States)

^d UNIVERSITÄT BAYREUTH   (Germany)

Author keywords

Forsterite; High pressure studies; Nmr spectroscopy; Ringwoodite; Wadsleyite

Indexed keywords

MAGNESIUM COMPOUNDS; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; OLIVINE; PARAMAGNETISM; SILICATES; TRACE ELEMENTS; TRANSITION METALS;

FORSTERITES; HIGH PRESSURE STUDY; PARAMAGNETIC IMPURITY; PARAMAGNETIC TRANSITION; RINGWOODITE; SIGNALTONOISE RATIO (SNR); STRUCTURAL DISORDERS; WADSLEYITE;

SILICON;

CATION; COOLING; FORSTERITE; HIGH PRESSURE; NUCLEAR MAGNETIC RESONANCE; RINGWOODITE; SILICATE; SILICON; WADSLEYITE;

EID: 67650327848     PISSN: 0003004X     EISSN: None     Source Type: Journal    
DOI: 10.2138/am.2009.3140     Document Type: Article

References (16)

1. 4). American Mineralogist, 90, 1861-1870.
2. Frost, D. J., Poe, B. T., Trønnes, R. G., Liebske, C., Duba, A., and Rubie, D. C. (2004) A new large-volume multianvil system. Physics of Earth and Planetary Interiors, 143-144, 507-514.
3. 119Sn MAS NMR. The use of paramagnetic shift probes in the solid state. Journal of the American Chemical Society, 111, 505-511.
4. Grey, C. P., Smith, M. E., Cheetham, A. K., Dobson, R., and Dupree, R. (1990) Y-89 MAS NMR study of rare-earth pyrochlores-paramagnetic shifts in the solid state. Journal of the American Chemical Society, 112, 4670-4680.
5. Hazen, R. M., Downs, R. T., Finger, L. W., and Ko, J. (1993) Crystal chemistry of ferromagnesian silicate spinels: Evidence for Mg-Si disorder. American Mineralogist, 78, 1320-1323.
6. Ita, J. and Stixrude, L. (1992) Petrology, elasticity, and composition of the mantle transition zone. Journal of Geophysical Research, 97, 6849-6866.
7. O'Neill, H. St. C. and Navrotsky, A. (1984) Cation distribution and thermodynamic properties of binary spinel solid solutions. American Mineralogist 69, 733-753.
8. Panero, W. R. (2008) Cation disorder in ringwoodite and its effect on wave speeds in the Earth's transition zone. Journal of Geophysical Research, 113, B10204 DOI: 10.1029/2008JB005676.
9. 27Al NMR spectroscopy. American Mineralogist, 77, 704-712.
10. 1H NMR spectroscopy of high-pressure hydrous magnesium silicates. Physics and Chemistry of Minerals, 24, 179-190.
11. 4 spinel up to 1600 °C from in situ neutron diffraction. American Mineralogist, 84, 299-310.
12. Stebbins, J. F. (1995) Nuclear magnetic resonance spectroscopy of silicates and oxides in geochemistry and geophysics. In T. J. Ahrens, Ed., Handbook of Physical Constants, p. 303-332. American Geophysical Union, Washington D. C.
13. Stebbins, J. F. and Kanzaki, M. (1990) local structure and chemical shifts for sixcoordinated silicon in high-pressure mantle phases. Science, 251, 294-298.
14. 5). Geophysical Research letters, 26, 2521-2523.
15. 4 spinel. American Mineralogist, 71, 999-1006.
16. 1H NMR. American Mineralogist, 93, 1099-1111.