Recent Publications

Nishihara, Y., Shinmei, T. and Karato, S., 2008. Effect of chemical environment on the hydrogen-related defect chemistry of wadsleyite, American Mineralogist, 93: 831-843. [pdf]

Katayama, I. and Karato, S., 2008. Low-temperature, high-stress deformation of olivine under water-saturated conditions, Phys. Earth Planet. Inter., 168: 125-133. [pdf]

Katayama, I. and Karato, S., 2008. Effects of chemical composition on the rheological contrast between garnet and olivine and its geodynamical implications, Phys. Earth Planet. Inter., 166: 57-66. [pdf]

Karato, S., H. Jung, I. Katayama and P.A. Skemer, 2008. Geodynamic significance of seismic anisotropy of the upper mantle: New insights from laboratory studies, Annual Review of Earth and Planetary Sciences, 36: 59-95. [pdf]

Jing, Z. and Karato, S., 2008. Compositional effect on the pressure derivatives of bulk modulus of silicate melts, submitted to Earth Planet. Sci. Lett., 272: 429-436. [pdf]

Karato, S., 2008. Deformation of Earth Materials: Introduction to the Rheology of Solid Earth, Cambridge University Press, Cambridge, pp. 463.

Karato, S., 2008. Recent progress in the experimental studies on the kinetic properties in minerals, Phys. Earth Planet. Inter., 170: 152-155. [pdf]

Karato, S. and D.J. Weidner, 2008. Laboratory studies of plastic deformation of minerals under deep mantle conditions, Elements, 4: 191-196. [pdf]

Nishihara, Y., Tinker, D., Xu, Y., Jing, Z., Matsukage, K.N., and Karato, S., 2008. Plastic deformation of wadsleyite and olivine at high-pressure and high-temperature using a rotational Drickamer apparatus (RDA), Phys. Earth Planet. Inter., 170: 156-169. [pdf]

Korenaga, J. and Karato, S., 2008. A new analysis of experimental data of olivine rheology, J. Geophys. Res., 113, 10.1029/2007JB005100.

Karato, S., 2008. Insight into the plume-upper mantle interaction inferred from the central Pacific geophysical anomalies, Earth Planet. Sci. Lett., 274: 234-240. [pdf]

Skemer, P.A. and S. Karato, 2008. Sheared lherzolite xenoliths revisited, J. Geophys. Res., 113: 10.1029/2007JB005286. [pdf]

Kawazoe, T., S. Karato, K. Otsuka, K., Z. Jing, and M. Mookherjee, 2009. Shear deformation of olivine under deep upper mantle conditions using a rotational Drickamer apparatus (RDA), Phys. Earth Planet. Inter., 174: 128-137.[pdf]

Karato, S. and Dai, L., 2009. Comments on “Electrical conductivity of wadsleyite “ by Manthilake et al., Phys. Earth Planet. Inter., 174: 19-21.

Karato, S., 2009. Theory of radial x-ray diffraction from a polycrystalline sample undergoing plastic deformation, Physical Review B., 79: 214106-1, 214106-9.

Dai, L. and Karato, S., 2009. The electrical conductivity of pyrope-rich garnet at high pressure and temperature, Phys. Earth Planet. Inter., 176: 83-88.[pdf]

Dai, L. and Karato, S., 2009. The electrical conductivity of wadsleyite at high pressure and temperature, Earth Planet. Sci. Lett., 287: 277-283.[pdf]

Dai, L. and Karato, S., 2009. Electrical conductivity of orthopyroxene: Implications for the water content of the asthenosphere, Proceedings of the Japan Academy. 85: 466-475.[pdf]

Jing, Z. and Karato, S., 2009. The density of volatile bearing melts in the Earth’s deep mantle: the role of chemical composition, Chemical Geology, 262: 100-107. [pdf]

Karato, S., 2010. Rheology of the deep upper mantle and the implications for the longevity of the continental roots: A review, Tectonophysics, 481: 82-98. [pdf]

Otsuka, K., McCammon, C.A. and Karato, S., 2010. Tetrahedral site occupation of ferric iron in (Mg,Fe)O: Implications for the transport properties of the lower mantle, Phys. Earth Planet. Inter., 180: 179-188. [pdf]

Mookherjee, M. and S. Karato, 2010. Solubility of water in pyrope-rich garnet under high-pressure and temperature, Geophysical Research Letters, 37: 10.1029/2009GL041289. [pdf]

Karato, S., 2010. Rheology of the Earth’s mantle: A historical review, Gondwana Research, 18: 17-45. [pdf]

Kawazoe, T., Karato, S., Ando, J., Otsuka, K., Jing, Z., Hustoft, J., 2010. Shear deformation of polycrystalline wadsleyite up to 2100K at 14 - 17 GPa using a rotational Drickamer Apparatus (RDA), J. Geophys. Res., 120: 10.1029/2009JB007096. [pdf]

Karato, S., 2010. The influence of anisotropic diffusion on the high-temperature creep of a polycrystalline aggregate, Phys. Earth Planet. Inter., 183: 468-472.[pdf]

Bergman, M.I., Lewis, D.J., Myint, I.H., Slivka, L., Karato, S., and Abreu, A., 2010. Grain growth and loss of texture during annealing of alloys, and the translation of Earth’s inner core, Geophysical Research Letters, 37: 10.1029/2010GL045103. [pdf]

Ohuchi, T., Karato, S., and Fujino, K., 2011. Strength of single crystalsorthopyroxene  under the lithospheric conditions, Contrib. Mineral. Petrol., 161: 961-975.[pdf]

Karato, S., 2011. Water distribution across the mantle transition zone and its implications for the global material circulation, Earth Planet. Sci. Lett., 301: 413-423. [pdf]

Karato, S., 2011. Some issues on the strength of the lithosphere, J. Earth Sci., 22: 131-136. [pdf]

Karato, S., 2011. Rheological structure of the mantle of super-Earths: Some insights from mineral physics, Icarus, 212: 14-23. [pdf]

Jing, Z. and Karato, S., 2011. A new approach to the equation of state of silicate melts: An application of the theory of hard sphere mixtures, Geochim. Cosmochim. Acta, 75: 6780-6802. [pdf]

Otsuka, K. and Karato, S., 2011. Control of water fugacity under high pressure and temperature, Phys. Earth Planet. Inter., 189: 27-33. [pdf]

Karato, S., 2011. Rheological Properties of Earth Materials and Dynamics of the Earth’s Interior, Kyoritu Shuppan, Tokyo, pp. 250.

Nakada, M. Karato, S., 2012. Low viscosity of the bottom of the Earth’s mantle inferred from the analysis of Chandler wobble and tidal deformation, Phys. Earth Planet. Inter., 192-193: 68-80.[pdf]

Wang, D., Karato, S., and Li, Z-Y., 2012. Influence of hydrogen on the electronic state of olivine: Implications for electrical conductivity, Geophys. Res. Lett.,39: 10.1029/2012GL051046.[pdf]

Karato, S. 2012. On the origin of the asthenosphere, Earth, Planet. Sci. Lett., 321-322: 95-103.[pdf]

Jing, Z. and Karato, S., 2012. Effects of H2O on the density of silicate melts at high pressures: Static experiments and the application of a hard-sphere model of equation of state, in press, Geochim. Cosmochim. Acta.[pdf

Otsuka, K. and Karato, S., 2012. Deep penetration of molten iron into the mantle caused by the morphological instability, Nature, 492: 243-247.[pdf]

Wang, D., Guo, Y., Yu, Y. and Karato, S., 2012. Electrical conductivity of amphibole-bearing rocks: Influence of dehydration, Contrib. Mineral. Petrol., 164: 17-25.[pdf]

Nakada, M., Iriguchi, C. and Karato, S., 2012. The viscosity structure of the D” layer of the Earth’s mantle inferred from the analysis of Chandler wobble and tidal deformation, Phys. Earth Planet. Inter., 208/209: 11-24.[pdf]

Karato, S. 2013, Rheological properties of minerals and rocks, in “Physics and Chemistry of the Deep Earth” edited by S. Karato, Wiley-Blackwell, 94-144. [pdf]

Grott, M., Baratoux, D., Hauber, E., Sautter, V., Mustard, J., Gasnault, O., Ruff, S., Karato, S., Debaile, V., Knapmeyer, M., Sohl, F., Van Hoolst, T., Breuer, D., Morschhauer, A. and Toplis, M.J., 2013. Long-term evolution of eth Martian crust-mantle system, Space Science Review, 174: 49-111.[pdf]

Karato, S. and Wang, D. 2013. Electrical conductivity of minerals and rocks, in “Physics and Chemistry of the Deep Earth” edited by S. Karato, Wiley-Blackwell, 145-182. [pdf]

Otsuka, K., Longo, M., McCammon, C. and Karato, S., 2013. Ferric iron content of ferropericlase as a function of composition, oxygen fugacity, temperature and pressure: Implications for the redox conditions during diamond formation in the lower mantle, Earth Planet. Sci. Lett., 365: 7-16.[pdf]

Karato, S., 2013. Geophysical constraints on the water content in the lunar mantle and its implication for the origin of the Moon, Earth Planet Sci. Lett., 384: 144-153.[pdf]

Karato, S., 2013. Physics and Chemistry of the Deep Earth (editor), Wiley-Blackwell, pp.402.

Olugboji, T.M., Karato, S., and Park, J., 2013. Structures of the oceanic lithosphere-asthenosphere boundary: Mineral physics modeling and seismological signatures, Geochem., Geophys., Geosyst., 14: 10.1002/ggge.20086.[pdf]

Wang, D., Karato, S., and Jiang, Z., 2013. An experimental study on the influence of graphite on the electrical conductivity of olivine aggregates, Geophys. Res. Lett., 39: 10.1029/2012GL051046.[pdf]

Hustoft, J., Amulele, G., Ando, J-I., Otsuka, K., Du, Z., Jing, Z. and Karato, S., 2013. Plastic deformation experiments to high strain on mantle transition zone minerals wadsleyite and ringwoodite in the rotational Drickamer apparatus, Earth Planet. Sci. Lett. 361: 7-15.[pdf]

Farla, R., Karato, S., and Cai, Z. 2013. Role of orthopyroxene in rheological weakening of the lithosphere via dynamic recrystallization, Proc. Nat. Acad. Sci., 110: 16355-16360.[pdf]

Karato, S., 2013. Theory of isotope diffusion in materials with multiple species and its implications for hydrogen-enhanced electrical conductivity in olivine, Phys. Earth Planet. Inter., 219: 49-55.[pdf]

Selway, K.M., Yi, J. and Karato, S., 2014. Water content of the Tanzanian lithosphere: Implications for cratonic growth and stability, Earth Planet. Sci. Lett. 388: 175-186.[pdf]

Karato, S., 2014. Does partial melting explain geophysical anomalies?, Phys. Earth Planet. Inter., 228: 300-306.[pdf]

Karato, S., 2014. Asymmetric shock heating and the terrestrial magma ocean origin of the Moon, Proceedings of the Japan Academy, B90: 97-103.[pdf]

Miyagi, L., Amulele, G., Otsuka, K., Du, Z. and Karato, S., 2014. Plastic anisotropy and slip systems in ringwoodite deformed to high shear strain in the rotational Drickamer apparatus, Phys. Earth Planet. Inter., 228: 244-253.

Karato, S., 2014. Water in the evolution of Earth and other terrestrial planets, Treatise on Geophysics, v. 9, “Evolution of the Earth” (edited by D.J. Stevenson), Elsevier, in press.[pdf]

Dai, L. and Karato, S., 2014. The effect of pressure on hydrogen-assisted electrical conductivity of olivine: implications for the conductivity jump at 410-km, Phys. Earth Planet. Inter., in press.

Dai, L. and Karato, S., 2014. The effects of Fe and H on the electrical conductivity of olivine, submitted to Earth Planet. Sci. Lett.

Dai, L. and Karato, S., 2014. The effect of oxygen fugacity on hydrogen-assisted electrical conductivity of olivine: implications for the mechanism of conduction, Phys. Earth Planet. Inter., in press.