Publications in English Research Papers In situ X-ray observation of phase transition between hematite-perovskite structures in Fe2O3. Ono, N.Sata, K.Funakoshi, Y Ohishi and E.Takahashi, Submitted to P C M 2004 S Isotope compositions of the submarine Hana ridge lavas, Haleakala Volcano, Hawaii Zhong-Yuan Ren, T.Shibata, M. Yoshikawa, K.T.M. Johnson and E.Takahashi, Submitted to J. Petrology, March 2004. P-V-T equation of state of stishovite to the mantle transition zone conditions, Y.Nishihara, K.Nakayama, T.Iguchi and K.Funakoshi, submitted to Phys. Chem. Mineral., Aug. 2004 Thermal equation of state of majorite with MORB composition: Y. Nishihara, I.Aoki, Etakahashi, K.Matsukage and K.Funakoshi, submitted to Ameican Mineral., June, 2004 Evolution of the Magma Chamber Beneath Usu Volcano Since 1663: A Natural Laboratory for Changing Phenocryst Minerals, A.Tomiya and E.Takahashi, J. Petrology, in press 2004. Petrogenesis of tholeiitic lavas from the submarine Hanaridge, Haleakala volcano, Hawaii, Z.-Y. Ren, E.Takahashi, Y.Orihashi, K.T.M.Johnson, J.Petrology, in press, 2004 Thermal equation of state of (Mg0.91 Fe0.09)2SiO4 ringwoodite, Y.Nishihara, E.Takahashi, K.N.Matsukage, T.Iguchi, K.Nakayama, and K.Funakoshi, Planet. Inter., 143-144, 33-46, 2004 Phys. Earth Density of MORB eclogite in the upper mantle, I.Aoki and E.Takahashi, Phys. Earth Planet. Inter., 143-144, 129-143, 2004 Stability of the high-pressure polymorph of zircon (ZrSiO4) in the deep mantle. Y.Tange and E.Takahashi Phys. Earth Planet. Inter., 143-144, 223-229, 2004. Solubilities of nitrogen and noble gases in silicate melts under various oxygen fugacities: Implications for the origin and degassing history of nitrogen and noble gases in the Earth, A.Miyazaki, H.Hoyagon, N.Sugimura, K.Hirose and E.Takahashi Geochim., et Cosmochim. Acta, 68, 387-401, 2004. Thermal equation of state of omphacite: Yu Nishihara, E.Takahashi, K.Matsukage and T.Kikegawa, Amer. Mineral., 88, 80-86, 2003 In situ X-ray observation of the reactin dolomite-aragonite+magnesite at 900-1300K, Miki Shirasaka, Eiichi Takahashi, Yu Nishihara, K. Matsukage and T. Kikegawa, Amer, Mineral., 87, 922-930, 2002. Melting Process in the Hawaiian plume: An experimental study Eiichi TAKAHASHI and Katsuji NAKAJIMA, In Hawaiian Volcanoes: Deep underwater perspectives, Amer. Geophys. Union, Monograph, 403-418, 2002. Geochemical characteristics of Koolau volcano and the Nuuanu and Wailau landslide deposits, Hawaii: Implication for the evolution of Hawaiian plume, Ryoji Tanaka, Eizo Nakamura and Eiichi Takahashi, In Hawaiian Volcanoes: Deep underwater perspectives, Amer. Geophys. Union, Monograph, 311-322, 2002. Geochemical and Petrological Characteristics of Nuuanu and Wailau landslide blocks, Ken Shinozaki, Zhong-Yuan Ren and Eiichi Takahashi, In Hawaiian Volcanoes: Deep underwater perspectives, Amer. Geophys. Union, Monograph, 297-310, 2002. Seismic images of mantle plumes under hotspot regions, Dapeng Zhao and Eiichi Takahashi, In Hawaiian Volcanoes: Deep underwater perspectives, Amer. Geophys. Union, Monograph, 349-364, 2002 S. Sherman, M.O. Garcia and E.Takahashi, Geochemistry of volcanic glasses from piston cores taken from north of Oahu and Molokai Islands In Hawaiian Volcanoes: Deep underwater perspectives, Amer. Geophys. Union, Monograph, 263-277, 2002. Yu Nishihara and E.Takahashi, Phase relation and physical properties of an Al-depleted komatiite to 23 GPa, Earth Planet. Sci. Lett., 190, 65-77, 2001 Enrichment processes at the base of the Archean lithospheric mantle: observations from trace element characteristics of pyropic garnet inclusions in diamonds, W.Wang, S.Sueno, E.Takahashi, Y.Yurimoto and T.Gasparik, Contrib. Mineral. Petrol, 139, 221-227. 2000 Subsolidus and melting experiments of K-doped peridotite KLB-1 to 27GPa: its geophysical and geochemical implications, W.Wang and E.Takahashi, J. Geophysical Research, 105, 2855-2868,2000 Subsolidus and melting experiments of a K-rich basaltic composition to 27 GPa: implication for the behaviour of potasium in the mantle, W.Wang and E.Takahashi, American Minralogist, 84, 357-361, 1999 Origin of the Columbia River Basalts: Melting model of a heterogeneous plume head. E.Takahashi, K. Nakajima and T.L.Wright, Earth Planet. Sci. Lett., 162, 63-80, 1998. Melting experiments on homogeneous mixtures of pridotite and basalt: Application to the genesis of oceanic island basalts. T.Kogiso, K. Hirose, and E. Takahashi, Earth Planet Sci. Lett., 162、45-61,1998. Melting study of an alkali basalt JB-1 up to 10 GPa: behavior of potassium in the deep mantle. Tsuruta and E. Takahashi, Phys. Earth Planet. Inter., 107, 119-130,1998 K. Geochemical properties of lithospheric mantle beneath Sino-Korea craton. W.Wang, E.Takahashi and S.Sueno, Phys. Earth Planet. Inter., 107, 119-130, 1998 Hydrogen in molten iron at high pressure: the first measurement. T.Okuchi and E. Takahashi, in “Properties of Earth and Planetary Materials at High Pressures and High Temperatures” ed. by M. Manghnani and Y.Shono, Am. Geophys. Union, Monograph, pp249-260, 1998. Solubility of Ne, Ar, Kr and Xe in binary and ternary silicate systems: a new view on noble gas solubility, T.Shibata, E.Takahashi, and J.Matsuda, Geochim Cosmochim Acta, 62, 1241-1253, 1998 Influence of Cr on REE Partitioning between Garnet and Silicate Melt: Application to Metasomatism of Mineral Inclusions in Diamonds. Wuyi Wang, S. Sueno, E. Takahashi Review of High Pressure Science and Technology, Vol. 7, pp. 92-94, 1998. Water solubility in albite-orthoclase join and JR-1 rhyolite melts at 1000 C and 500 to 2000 bars, determined by micro-analysis with SIMS. I. Miyagi, H. Yurimoto and E. Takahashi, Geochemical J., 31, 57-61, 1997. Geochemical study of eclogitic mineral inclusions from Chinese diamonds. Wuyi Wang, S. Sueno, H. Yurimoto, E. Takahashi Proceedings of the 30th International Geological Congress, Vol.15, pp. 185-198, 1997. Field occurrence, geochemistry and petrogenesis of the Archean Mid-Oceanic ridge basalts (AMORBs) of the Cleaverville area, Pilbara craton, Western Australia, H.Ohta, S.Maruyama, E.Takahashi, Y.Watanabe, and Y.Kato, Lithos, 37, 199-221, 1996 Noble gas solubility in binary CaO-SiO2 system. Geophys. Res. Lett., 23, 3139-3142, 1996. T. Shibata, E. Takahashi and J. Matsuda, Reconstruction of a magma chamber evolution beneath Usu-volcano. J. Petrol., 36, 617-636, 1995. Melt generation by isentropic mantle upwelling. Earth Planet. Sci. Lett., 134, 253-266. 1995 A. Tomiya and E.Takahashi, H. Iwamori, D.P. McKenzie, and E.Takahashi, Noble gas partition between basaltic melt and olivine crystal at high pressure. T.Shibata, E. Takahashi, and M. Ozima. In “Noble Gas Geochemistry and Cosmochemistry” ed. By J. Matsuda, 343-354, TERAPUB, Tokyo, 1994. Geochronology of alkali volcanism in Oki-Dogo island, Southwest Japan: Geochemical evolution of basalts related to the opening of the Japan Sea, K.Uto, E.Takahashi, E.Nakamura and I.Kaneoka, Geochemical J., 28, 431-449, 1994. Melting study of a peridotite KLB-1 to 6.5 GPa and the origin of basaltic magmas. E.Takahashi, T.Shimazaki, Y.Tsuzaki, H.Yoshida, Phil. Trans. R. Soc. Lond. Ser, A, 342, 105-120, 1993. Noble gases in the matle wedge and lower crust: an inference from the isotopic analyses of xenoliths from Oki-Dogo and Ichinomegata, Japan, K.Nago and E.Takahashi, Geochemical J., 27, 299-240, 1993. Speculation on the Archean Mantle: Missing link Between Komatiite and Depleted garnet peridotite E.Takahashi, J. Gerophys. Res., 95, 15941-15954, 1990 Melting Phase relations of the mantle peridotite up to 25 GPa: Speculations on the origin and evolution of the earth's mantle, E.Takahashi and E.Ito, in Dynamic Proceses of material Transport and Transformation in the Earth's Interior (ed. by F.Marumo), TERRAPUB, Tokyo, pp.253-275, 1990 Postspinel Transformations in the system Mg2SiO4-Fe2SiO4 and some geophysical implications, E. Ito and E. Takahashi, J. Geophysical Research, 94, 10637-10646, 1989. Geotherms in the Pacific Ocean from labolatory and seismic attenuation studies, H.Sato, I.S.Sacks, E.Takahashi and C.M.Scarfe, Nature, 336, 6195-154-156, 1988. Mineralogy of mantle pridotite along a model geotherm up to 700km depth, E.Takahashi and E.Ito, in High-Pressure Research in Mineral Physics (eds. M.Manghnani and Y.Syono), American Geophysical Union, pp.427-437, 1987. Ultrahigh-pressure phase transformations and the constitution of the deep mantle, E.Ito and E.Takahashi, in High-Pressure Research in Mineral Physics (eds. M.Manghnani and Y.Syono), American Geophysical Union, pp.221-229, 1987. Melting of peridotite at uppermost lower mantle conditions, E.Ito and E.Takahashi, Nature, 328, 514-517, 1987 From the simplest chemical system to the natural one: garnet peridotite barometry, P.Bertrand, C.Sotin, J-C.C. Mericier and E.Takahashi, Contrib. Min. Petrol, 93, 168-178, 1986 Genesis of calc alkali andesite magma in ahydrous mantle-crust boundary: Petrology of lherzolite xenoliths from the Ichinomegata crater, Oga peninsula, Northeast Japan, Part II, E.Takahashi, J. Volcanol., Geotherm. Res., 29, 355-395, 1986. Effect of water saturation on the distribution of partial melt in the olivine-pyroxene-plagioclase system, N.Fujii, K.Osamura, and E.Takahashi, J.Geophys. Res., 91, 9253-9259, 1986. Melting of a dry peridotite KLB-1 up to 14GPa: implications on the origin of peridotite upper mantle., E.Takahashi J.Geophys. Res., 91, 9367-9382, 1986. Melting of garnet peridotite to 13GPa and the early history of the upper mantle, C.M. Scarfe and E.Takahashi Nature, 322, 354-356, 1986. Melting of peridotite to 14GPa and the genesis of komatiite, E.Takahashi and C.M.Scarfe, Nature, 315, 566-568, 1985. The Mineralogy and chemistry of the lower mantle: an implication of the ultrahigh-pressure phase relations in the system MgO-FeO-SiO2, E.Ito, E.Takahashi and Y.Matsui, Earth Plannet. Sci. Lett., 67, 238-248, 1984. Subsolidus phase relations between coexisting garnet and two pyroxenes at 50 to 100 kbar in the system CaO-MgO-Al2O3-SiO2, H.Yamada and E.Takahashi, In the Kimberlites II: The mantle and Crust-Mantle relationships (ed. J.Kornprobst), Elsevier Pub Co., Netherland, 247-255, 1984. Melting of a Yamato L3 chondorite Y74191 up to 30kbar, E.Takahashi, Spec. Issue, 30, 168-180, 1983. Mem. Nat.Inst., Polar Res., Melting kinetics of a plagioclase feldspar, A.Tsuchiyama and E.Takahashi, Contrib. Min. Petrol., 84, 345-354, 1983. Melting of a dry peridotite at high pressures and basalt magma genesis, E.Takahashi and I.Kushiro, Amer. Mineral, 68, 859-879, 1983. Stoichiometric control of crystal/liquid single-component partition coefficients. E.Takahashi and T.N. Irvine, Geochim Cosmohim Acta, 45, 1181-1185, 1981. Thermal history of lherzolite xenoliths-1. Petrology of lherzolite xeoliths from the Ichinomegata crater, Oga peninsula, Northeast Japan, E.Takahashi, Geochim Cosmochim Acta, 44, 1643-1658, 1980. Ar and Sr isotopes of mantle derived rocks from the Japaese islands, I.Kaneoka, J.Matsuda, S.Zhashu, E.Takahashi and K.Aoki, Bull. Volcanol, 41, 424-433, 1978. Petrologic model of the crust and upper mantle of the Japanese island arcs, E.Takahashi, Bull. Volcanol, 41, 529-547, 1978. Partitioning of Ni2+, Co2+, Fe2+, Mn2+ and Mg2+ between olivine and silicate melts: compositional dependence of partition coefficient, E.Takahashi, Geochim Cosmochim Acta, 42, 1829-1844, 1978. K-Ar ages of alkali basalts from the Oki-Dogo island, J.Geol.Soc. of Japan, 83, 187-189, 1977. I.Kaneoka, E.Takahashi, S.Zhashu, On the solubility of alumina in orthopyroxene coexisting with olivine and spinel in the system MgO-Al2O3-SiO2, T.Fujii and E.Takahashi, Mineral. J., 8, 122-128, 1976. Books Melting studies on mantle peridotites and baalt magma genesis Movement in the Earth” (ed. by K.G.Cox and D.P.McKenziel) pp105-120, 1993. In “Melting and Melt Oxford University Puress Evolution of Hawaiian Volcanoes: Resent progress in deep underwater researches American Geophysical Union, Mnograph (Eitors: E.Takahashi, P.Lipman, M.Garcia, J.Naka and S.Aramaki), in press, 2001 Evolution of the Earth and Planets Geophysical Monograph 74, American Geophysical Uion, (Editors: E.Takahashi, R.Jeanloz, and D.Rubie) pp.159, 1993