Sound velocities of olivine and beta polymorphs of Mg2SiO4 at earth's transition zone pressures

Geophysical Research Letters

Volumn 23, Issue 17, 1996, Pages 2259-2262

  Li, Baosheng ^a,c   Gwanmesia, Gabriel D ^a,b,c   Liebermann, Robert C ^a,c  

^a STONY BROOK UNIVERSITY   (United States)

^b DELAWARE STATE UNIVERSITY   (United States)

^c CHiPR ^*

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC WAVE VELOCITY MEASUREMENT; BRILLOUIN SCATTERING; ELASTIC MODULI; ELASTIC WAVES; INTERFEROMETRY; OLIVINE; POLYCRYSTALLINE MATERIALS; PRESSURE; STRESSES; ULTRASONIC TRANSDUCERS;

BETA POLYMORPHS; EARTH TRANSITION ZONE PRESSURES; EULERIAN FINITE STRAIN EXTRAPOLATIONS; MAGNESIUM SILICATE; MULTI ANVIL APPARATUS; ULTRASONIC INTERFEROMETRY;

SILICATES;

BETA POLYMORPH; OLIVINE; SOUND VELOCITY; TRANSITION ZONE; ULTRASONIC INTERFEROMETRY;

EID: 0030206950     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/96GL02084     Document Type: Article

References (15)

1. Bina, C. R., and B. J. Wood, Olivine-spinel transitions: experimental and thermodynamic constraints for the nature of the 400 km seismic discontinuity, J. Geophys. Res., 92, 4853-4866, 1987.
2. Bina, C. R., Mutually consistent estimates of upper mantle composition from seismic velocity contrast at 400 km depth, PAGEOPH, 141, 101-109, 1993.
3. Chen, G., B. Li, R. C. Liebermann, Selected elastic moduli of single crystal San Carlos olivine and forsterite from ultrasonic experiments to mantle pressures, Science, in press, 1996.
4. Cook, R. K., Variation of clastic constants and static strains with hydrostatic pressure: A method for calculation from ultrasonic measurements, J. Acoust. Soc. Am., 29, 445-449, 1957.
5. Duffy, T. S., and D. L. Anderson, Seismic velocities in mantle minerals and the mineralogy of the upper mantle, J. Geophys. Res., 94, 1895-1912, 1989.
6. Duffy, T. S., C. S. Zha, R. T. Downs, H. K. Mao, and R. J. Hemley, Elasticity of forsterite to 16 GPa and the composition of the upper mantle, Nature, 378, 170-173, 1995.
7. 4 to 26 GPa and 900 K, J. Geophys. Res., 97, 4489-4495, 1992.
8. Graham, E. K., and G. R. Barsch, Elastic constants of single-crystal forsterite as a function of temperature and pressure, J. Geophys. Res., 74, 5949-5960, 1969.
9. 4 for acoustic velocity measurements, Geophys. Res. Lett., 17, 1331-1334, 1990a.
10. Gwanmesia, G. D., and R. C. Liebermann, Polycrystals of high-pressure phases of mantle minerals: Hot-pressing and characterization of physical properties, in High Pressure Research: Application to Earth and Planetary Sciences, edited by Y. Syono and M. Manghnani, American Geophysical Union, Washington, DC, pp. 117-135, 1992.
11. Knoche R., S. L. Webb, D. C. Rubie, In situ measurement of sound velocities at mantle conditions (abstract), paper presented at US - Japan Seminar on High Pressure Research, Maui, Jan. 22 to Jan. 26, 1996.
12. Kumazawa, M. and O. L. Anderson, Elastic moduli, pressure derivatives, and temperature derivatives of single-crystal olivine and single-crystal forsterite, J. Geophys. Res., 74, 5961-5972, 1969.
13. Li, B., I. Jackson, T. Gasparik, and R. C. Liebermann, Elastic wave velocity measurement in multi-anvil apparatus to 10 GPa using ultrasonic interferometry, Phys. Earth Planet Interi., in press, 1995.
14. Li, B., G. Chen, G. D. Gwanmesia and R. C. Liebermann, Elastic wave velocity measurements in multi-anvil apparatus to transition zone pressures (abstract), paper presented at US - Japan Seminar on High Pressure Research, Maui, Hawaii, Jan. 22 to Jan. 26, 1996.
15. 4, J. Geophys. Res., 98, 22199-22207, 1993.