Formation of metastable assemblages and mechanisms of the grain-size reduction in the postspinel transformation of Mg2SiO4

Geophysical Research Letters

Volumn 27, Issue 6, 2000, Pages 807-810

  Kubo, Tomoaki ^a   Ohtani, Eiji ^a   Kato, Takumi ^b   Urakawa, Satoru ^c   Suzuki, Akio ^a   Kanbe, Yuichi ^a   Funakoshi, Ken Ichi ^d   Utsumi, Wataru ^e   Fujino, Kiyoshi ^f  

^a TOHOKU UNIVERSITY   (Japan)

^b UNIVERSITY OF TSUKUBA   (Japan)

^c OKAYAMA UNIVERSITY   (Japan)

^d JAPAN SYNCHROTRON RADIATION RESEARCH INSTITUTE   (Japan)

^e JAPAN ATOMIC ENERGY AGENCY   (Japan)

^f HOKKAIDO UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

REACTION KINETICS; SPINEL; TRANSFORMATION;

GRAIN SIZE AND SHAPE; KINETIC THEORY; PEROVSKITE; PHASE TRANSITIONS; SYNCHROTRON RADIATION; VISCOSITY; X RAY ANALYSIS; MAGNESIA;

MAGNESIUM SILICATE SPINEL; METASTABLE ASSEMBLAGES; PERICLASE; POSTSPINEL TRANSFORMATION KINETICS;

OXIDE MINERALS; GRAIN SIZE AND SHAPE;

GEOLOGICAL TIME; GRAIN-SIZE REDUCTION; INITIAL GRAIN SIZE; LOWER MANTLE; OVERPRESSURE; SITU X RAY OBSERVATIONS; SUBDUCTING SLABS; TRANSFORMATION KINETICS;

EID: 0034353239     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/1999GL008430     Document Type: Article

References (21)

1. 4: Element partitioning, calorimetry, and thermodynamic calculation
2. Anharmonicity and the equation of state for gold
3. Analytical electron microscopy of the garnet-perovskite transformation in a laser-heated diamond anvil cell
4. Subducting slabs stagnant in the mantle transition zone
5. Aseismicity in the lower mantle by superplasticity of the descending slab
6. 4 determined by in situ X-ray diffraction
7. Superplasticity in earth's lower mantle: Evidence from seismic anisotropy and rock physics
8. Phase transformations and rheological properties of mantle minerals
9. Electron microscopy of high-pressure phases synthesized from natural olivine in diamond anvil cell
10. 3 perovskite (Mg,Fe)O magnesiowustite assemblages: An analytical transmission electron microscopy study
11. Eutectoid phase transformation of olivine and spinel into perovskite and rock salt structures
12. Grain-size evolution in subducted oceanic lithosphere associated with the olivine-spinel transformation and its effects on rheology
13. Role of the transition zone and 660 km discontinuity in mantle dynamics
14. Kinetics of olivine-spinel transformation in subducting lithosphere: Experimental constrains and implications for deep slab processes
15. SPring-8 beamlines for high pressure science with multi-anvil apparatus
16. Tomographic imaging of subducted lithosphere below northwest Pacific island arcs
17. The breakdown of olivine to perovskite and magnesiowustite
18. Rheology measurements at high pressure and temperature
19. 3 perovskite and periclase under lower mantle conditions
20. Kinetics of the decomposition of austenite