Calorimetric study on majorite-perovskite transition in the system Mg4Si4O12-Mg3Al2Si 3O12: Transition boundaries with positive pressure-temperature slopes

Physics of the Earth and Planetary Interiors

Volumn 114, Issue 3-4, 1999, Pages 129-140

  Akaogi, M ^a   Ito, E ^b  

^a GAKUSHUIN UNIVERSITY   (Japan)

^b OKAYAMA UNIVERSITY   (Japan)

Author keywords

Calorimetry; Clapeyron slope; High pressure phase transition; Majorite; Mantle convection; Perovskite

Indexed keywords

EXPERIMENTAL MINERALOGY; HIGH PRESSURE; MAJORITE; MANTLE CONVECTION; PEROVSKITE; PHASE TRANSITION;

EID: 0033609557     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0031-9201(99)00039-4     Document Type: Article

References (44)

1. 12 at high pressures and temperatures. Phys. Earth Planet. Int. 15, 90-106.
2. 2+ partitioning among constituent minerals. Phys. Earth Planet. Int. 19, 31-51.
3. 3 perovskite. Geophys. Res. Lett. 20, 105-108.
4. 3 perovskite and negative pressure-temperature slopes for perovskite-forming reactions. Geophys. Res. Lett. 20, 1839-1842.
5. Akaogi, M., Navrotsky, A., Yagi, T., Akimoto, S., 1987. Pyroxene-garnet transformation: thermochemistry and elasticity of garnet solid solutions and application to a pyrolite mantle. In: M.H. Manghnani, Y. Syono (Eds.), High Pressure Research in Mineral Physics, Am. Geophys. Union, Geophys. Monogr. 39, pp. 251-260.
6. 4: calorimetric measurements, thermochemical calculation, and geophysical application. J. Geophys. Res. 94, 15671-15685.
7. 3 clinopyroxene-ilmenite transition: heat capacity, enthalpy of transition, and phase equilibria. Phys. Chem. Minerals. 17, 17-23.
8. 3 majorite: calorimetric and in situ X-ray diffraction studies. In: Y. Syono, M.H. Manghnani (Eds.), High-Pressure Research: Application to Earth and Planetary Sciences. Am. Geophys. Union, Geophys. Monogr., 67, pp. 447-455.
9. Akaogi, M., Yusa, H., Shiraishi, K., Suzuki, T., 1995. Thermodynamic properties of α-quartz, coesite, and stishovite and equilibrium phase relations at high pressures and high temperatures. J. Geophys. Res. 100, 22337-22347.
10. 4: element partitioning, calorimetry, and thermodynamic calculation. In: M.H. Manghnani, T. Yagi (Eds.), Properties of Earth and Planetary Materials at High Pressure and Temperature, Geophys. Monogr., 101, pp. 373-384.
11. Anderson, O.L., Isaak, D.L., Oda, H., 1991. Thermoelastic parameters of six minerals at high temperatures. J. Geophys. Res. 96, 18037-18046.
12. 3 garnet synthesized at 17 GPa and 1800°C. Am. Mineral. 74, 509-512.
13. Christensen, U., 1995. Effects of phase transitions on mantle convection. Annu. Rev. Earth Planet. Sci. 23, 65-87.
14. Davies, P.K., Navrotsky, A., 1983. Quantitative correlations of deviations from ideality in binary and pseudo-binary solid solutions. J. Solid State Chem. 46, 1-22.
15. Dziewonski, A.M., Anderson, D.L., 1981. Preliminary reference Earth model. Phys. Earth Planet. Int. 25, 297-356.
16. Fei, Y., Hirose, K., 1998. The effect of alumina on physical properties and stability field of silicate perovskite. Abst. 17th General Meet. Intern. Mineral. Assoc., A42.
17. 3 perovskite determined by in situ X-ray observations up to 30 GPa and 2000 K. J. Geophys. Res. 101, 8257-8269.
18. Gasparik, T., 1996. Melting experiments on the enstatite-diopside join at 70-224 kbar, including the melting of diopside. Contrib. Mineral. Petrol. 124, 139-153.
19. Hemley, R.J., Cohen, R.E., 1992. Silicate perovskite. Annu. Rev. Earth Planet. Sci. 20, 553-600.
20. van der Hilst, R.D., Widiyantoro, S., Engdahl, E.R., 1997. Evidence for deep mantle circulation from global tomography. Nature 386, 578-584.
21. 12 and its role in the dynamics at the 660-km discontinuity. Phys. Earth Planet. Int., submitted.
22. Irifune, T., 1994. Absence of an aluminous phase in the upper part of the earth's lower mantle. Nature 370, 131-133.
23. Irifune, T., Ringwood, A.E., 1987. Phase transformations in primitive MORB and pyrolite compositions to 25 GPa and some geophysical implications. In: M.H. Manghnani, Y. Syono (Eds.), High Pressure Research in Mineral Physics, Am. Geophys. Union, Geophys. Monogr. 39, pp. 231-242.
24. Irifune, T., Ringwood, A.E., 1993. Phase transformations in subducted oceanic crust and buoyancy relationships at depths of 600-800 km in the mantle. Earth Planet. Sci. Lett. 117, 101-110.
25. 12. Phys. Earth Planet. Int. 96, 147-157.
26. 4 and some geophysical implications. J. Geophys. Res. 94, 10637-10646.
27. Ito, E., Yamada, H., 1982. Stability relations of silicate spinels, ilmenites, and perovskites. In: S. Akimoto, M.H. Manghnani (Eds.), High-Pressure Research in Geophysics, Center Acad. Publ. Japan, pp. 405-419.
28. 12) in a sintered diamond cubic anvil assembly. Geophys. Res. Lett. 25, 821-824.
29. Kesson, S.E., Fitz Gerald, J.D., Shelly, J.M.G., 1994. Mineral chemistry and density of subducted basaltic crust at lower-mantle pressures. Nature 372, 767-769.
30. Kesson, S.E., Fitz Gerald, J.D., Shelly, J.M.G., Withers, R.L., 1995. Phase relations, structure and crystal chemistry of some aluminous silicate perovskites. Earth Planet. Sci. Lett. 134, 187-201.
31. 4. Phys. Chem. Minerals 20, 536-540.
32. 12 (Py) at high pressures. Phys. Earth Planet. Int. 96, 159-169.
33. 3. Rev. High Pressure Sci. Technol. 7, 122-124.
34. McDonough, W.F., Sun, S.S., 1995. The composition of the earth. Chem. Geol. 120, 223-253.
35. 12 join: an infrared, Raman and NMR study. Phys. Chem. Min. 16, 428-435.
36. 3 at high pressures and 1800°C. Earth Planet. Sci. Lett. 102, 158-166.
37. Saxena, S.K., Chatterjee, N., Fei, Y., Chen, G., 1993. Thermodynamic Data on Oxides and Silicates. Springer, pp. 184-185.
38. Suzuki, I., Anderson, O.L., 1983. Elasticity and thermal expansion of a natural garnet up to 1000 K. J. Phys. Earth 31, 125-138.
39. Tackley, P.J., Stevenson, D.J., Glatzmaier, G.A., Schubert, G., 1993. Effects of an endothermic phase transition at 670 km depth in a spherical model of convection in the earth's mantle. Nature 361, 699-704.
40. Thompson, J.B., 1967. Thermodynamic properties of simple solutions. In: P.H. Abelson (Ed.), Research in Geochemistry, Vol. 2, Wiley, New York, pp. 340-361.
41. Weidner, D.J., Wang, Y., 1998. Chemical- and clapeyron-induced buoyancy at the 660 km discontinuity. J. Geophys. Res. 103, 7431-7441.
42. Yagi, T., Akaogi, M., Shimomura, O., Tamai, H., Akimoto, S., 1987. High pressure and high temperature equations of state of majorite. In: M.H. Manghnani, Y. Syono (Eds.), High Pressure Research in Mineral Physics, Am. Geophys. Union, Geophys. Monogr. 39, pp. 141-147.
43. 3 tetragonal garnet. Phys. Earth Planet. Int. 74, 1-7.
44. 3 at high pressures and temperatures. J. Geophys. Res. 98, 6453-6460.