JpGU Fellowship

Masaki Akaogi


For outstanding contributions to understanding of the structure of the Earth’s mantle by means of a combination
of high-precision micro-calorimetry and high-pressure-temperature experiment

A list of five major papers

1. Akaogi, M. and S. Akimoto, Pyroxene garnet solid solution equilibria in the systems Mg 4Si4O12-Mg3Al2Si3O12 and Fe4Si4O12-Fe3Al2Si3O12 at high pressures and temperatures. Phys. Earth Planet. Interiors, 15, 90 106, 1977.

2. Akaogi, M., E. Ito, and A. Navrotsky, Olivine modified spinel spinel transitions in the system Mg2SiO4-Fe2SiO4: calorimetric measurements, thermochemical calculation, and geophysical application. J. Geophys. Res., 94, 15671 15685, 1989.

3. Akaogi, M., H. Yusa, K. Shiraishi, and T. Suzuki, Thermodynamic properties of α-quartz, coesite, and stishovite and equilibrium phase relations at high pressures and high temperatures. J. Geophys. Res., 100, 22337-22347, 1995.

4. Akaogi, M., A. Tanaka, and E. Ito, Garnet-ilmenite-perovskite transitions in the system Mg4Si4O12-Mg3Al2Si3O12 at high pressures and high temperatures: phase equilibria, calorimetry and implications for mantle structure. Phys. Earth Planet. Interiors, 132, 303-324, 2002.

5. Ishii, T., H. Kojitani, and M. Akaogi, Post-spinel transitions in pyrolite and Mg2SiO4 and akimotoite-perovskite transition in MgSiO3: Precise comparison by high-pressure high-temperature experiments with multi-sample cell technique. Earth Planet. Sci. Lett., 309, 185-197, 2011.


Tomoo Katsura