Kyusei Tsuno

Research Scientist/Lab Manager

Room Number: 222
(713) 348-5098


Ph.D. in Mineral Physics, Tohoku University, Japan, 2007
M.Sc. in Mineral Physics, Tohoku University, Japan, 2004
B.Sc. in Earth Science, Tohoku University, Japan, 2002


Experimental petrology, Earth's deep interior, Deep volatiles cycling, Earth's and Planetary differentiation

Selected Publications

Tsuno, K. & Dasgupta, R. (2015). Fe-Ni-Cu-C-S phase relations at high pressures and temperatures – The role of sulfur in carbon storage and diamond stability at mid- to deep- upper mantle. Earth and Planetary Science Letters 412, 132-142.

Tsuno, K., Dasgupta, R., Danielson, L. & Righter, K. (2012) .Flux of carbonate melt from deeply subducted pelitic sediments: Geophysical and geochemical implications for the source of Central American volcanic arc. Geophysical Research Letters, 39, L16307, doi:10.1029/2012GL052606.

Tsuno, K. & Dasgupta, R. (2012). The effect of carbonates on near-solidus melting of pelite at 3 GPa: Relative efficiency of H2O and CO2 subduction, Earth and Planetary Science Letters, 319–320, 185–196.

Tsuno, K. & Dasgupta, R. (2011). Melting phase relation of nominally anhydrous, carbonated pelitic-eclogite at 2.5–3.0 GPa and deep cycling of sedimentary carbon. Contributions to Mineralogy and Petrology, 161, 743–763.

Tsuno, K., Frost, D. & Rubie, D. (2013). Simultaneous partitioning of silicon and oxygen into the Earth's core during early Earth differentiation. Geophysical Research Letters, 40, 66–71, doi:10.1029/2012GL0541.

Tsuno, K., Frost, D. & Rubie, D. (2011). The effects of nickel and sulphur on the core–mantle partitioning of oxygen in Earth and Mars. Physics of the Earth and Planetary Interiors, 185, 1–12.

Tsuno, K. & Ohtani, E. (2009). Eutectic temperatures and melting relations in the Fe–O–S system at high pressures and temperatures. Physics and Chemistry of Minerals. 36, 9-17.

Tsuno, K., Terasaki, H., Ohtani, E., Suzuki, A., Asahara, Y., Nishida, K., Sakamaki, T., Funakoshi, K. & Kikegawa, T. (2007). In situ observation and determination of liquid immiscibility in the Fe–O–S melt at 3 GPa using a synchrotron X-ray radiographic technique. Geophysical Research Letters 34, L17303, doi:10/​2007GL03750.

Tsuno, K., Ohtani, E. & Terasaki, H. (2007) Immiscible two-liquid regions in the Fe–O–S system at high pressure: implications for planetary cores. Physics of the Earth and Planetary Interiros, 160, 75–85.