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Evidence for biogenic graphite in early Archaean Isua metasedimentary rocks.[Nature Geoscience,7,(2014),25-28]Yoko Ohtomo, Takeshi Kakegawa, Akizumi Ishida, Toshiro Nagase & Minik T. Rosing 10.1038/ngeo2025 |
Observation of pressure-induced phase transition of δ-AlOOH by using singlecrystal synchrotron X-ray diffraction method.[Physics and Chemistry of Minerals,41,(2014),303-312]Takahiro Kuribayashi, Asami Sano-Furukawa and Toshiro Nagase 10.1007/s00269-013-0649-6 |
Shimazakiite-4M and-4O, Ca2B2O5, two polytypes of a new mineral from Fuka, Okayama Prefecture, Japan.[Mineralogical Magazine,77(1),(2013),93-105]Kusachi, I., Kobayashi, S., Takechi, Y., Nakamuta, Y., Nagase, T., Yokoyama, K., Momma, K., Miyawaki, R., Shigeoka, M., Matsubara, S. 10.1180/minmag.2013.077.1.09 |
Texture of lutecite.[Journal of Mineralogical and Petrological Sciences,108(2),(2013)]Toshiro NAGASE, Koichi MOMMA, Takahiro KURIBAYASHI and Masahiko TANAKA 10.2465/jmps.111017 |
Jadeite formation in shocked ordinary chondrites.[Earth and Planetary Science Letters,373(1),(2013),102-108]Masaaki Miyahara, Shin Ozawa, Eiji Ohtani, Makoto Kimura, Tomoaki Kubo, Takeshi Sakai, Toshiro Nagase, Masahiko Nishijima, Naohisa Hirao 10.1016/j.epsl.2013.04.023 |
Discovery of seifertite in a shocked lunar meteorite.[Nature Communications,4(1737),(2013)]Masaaki Miyahara, Shohei Kaneko, Eiji Ohtani, Takeshi Sakai, Toshiro Nagase,Masahiro Kayama, Hirotsugu Nishido & Naohisa Hirao 10.1038/ncomms2733 |
Extraterrestrial jadeite in a shocked meteorite.[Earth and Planetary Science Letters,373,(2013),102-108]Miyahara M., Ozawa S., Ohtani E., Kimura M., Kubo T., Sakai T., Nagase T., Nishijima M. and Hirao N. 10.1016/j.epsl.2013.04.023 |
Tanohataite, LiMn2Si3O8(OH): a new mineral from the Tanohata mine, Iwate Prefecture, Japan.[Journal of Mineralogical and Petrological Sciences,107(3),(2012),149-154] Toshiro Nagase, Hidemichi Hori, Mizuya Kitamine, Mariko Nagashima, Ahmadjan Abduriyim and Takahiro Kuribayashi 10.2465/jmps.111130 |
Unique diamond in Almahatta Sitta ureilite..[Meteoritics & Planetary Science,47,(2012),5126-]Miyahara, M., Ohtani, E., El Goresy, A., Lin, Y.T., Feng, L., Zhang, J.C., Nagase, T., Nishijima, M. |
The effects of pressure on crystal structure of δ-AlOOH up to 9.0 GPa.[Photon Factory Activity Reports,29,(2012),261-]T.Kuribayashi, A. Sano-Furukawa and T. Nagase |
Evidence for multiple dynamic events and subsequent decompression stage recorded in a shock vein.[Earth and Planetary Science Letters,307(3-4),(2011),361-368] Miyahara M., Ohtani E., Kimura M., Ozawa S., Nagase T., Nishijima M. and Hiraga K. 10.1016/j.epsl.2011.05.010 |
Natural dissociation of olivine to (Mg,Fe)SiO3 perovskite and magnesiowustite in a shocked Martian meteorite.[Proceedings of the National Academy of Sciences,Early Edition,(2011)] Masaaki Miyahara, Eiji Ohtani, Shin Ozawa, Makoto Kimura, Ahmed El Goresy, Takeshi Sakai, Toshiro Nagase, Kenji Hiraga, Naohisa Hirao, and Yasuo Ohishi 10.1073/pnas.1016921108 |
New silica clathrate minerals that are isostructural with natural gas hydrates.[Nature Communications,2(196),(2011)] Koichi Momma, Takuji Ikeda, Katsumi Nishikubo, Naoki Takahashi, Chibune Honma, Masayuki Takada, Yoshihiro Furukawa, Toshiro Nagase, Yasuhiro Kudoh 10.1038/ncomms1196 |
First evidence for natural dissociation of olivine to silicate-perovskite and magnesiowustite in a shocked Martian meteorite DaG 735.[Meteoritics & Planetary Science,46,(2011),A164] Miyahara M., Ohtani E., Ozawa S., Kimura M., El Goresy A., Sakai T., Nagase T., Hiraga K., Hirao N., Ohishi Y. |
First evidence for multi shock events on the L chondritic parent body.[Meteoritics & Planetary Science,45,(2010),A53] Feng L., Miyahara M., Lin Y., Ohtani E., E. Goresy A., Nagase T. and Hu S. |
Coherent with subsequent incoherent ringwoodite growth in olivine of shocked L6 chondrites.[Earth and Planetary Science Letters,295(1-2),(2010),321-327] Miyahara M., Ohtani E., Kimura M., El Goresy A. Ozawa S., Nagase T., Nishijima M. and Hiraga K. 10.1016/j.epsl.2010.04.023 |
Natural dissociation of olivine to perovskite and magnesiowustite in a Martian meteorite.[Annual report of Bayerisches Forschungsinstitut fur Experimentelle Geochemie und Geophysik, Universitat Bayreuth,(2010),173-176] Miyahara M., Ohtani E., Ozawa S., Kimura M., El Goresy A., Sakai T., Nagase T., Hiraga K., Hirao N., Ohishi Y. |
Melting and subsequent decompression processes recorded in a shock vein of an L6 chondrite.[Meteoritics & Planetary Science,45,(2010),A140] Miyahara M., Ohtani E., Kimura M., Ozawa S., Nagase T., Nishijima M. and Hiraga K. |
Liquidus high-pressure assemblages in shocked Martian shergottites: constrains to equilibrium peak shock-pressures and consequences to radiometric ages.[Meteoritics & Planetary Science,45,(2010),A50] El Goresy A., Miyahara M., Ozawa S., Ohtani E., Gillet Ph., Beck P. Montagnac G., Nagase T. and Hiraga K. |
中国東北部長白山北東麓に分布するテフラ由来土壌の特性・生成・分類.[東北アジア研究センター叢書 「白頭山火山とその周辺の地球科学」,41,(2010),159-185] 菅野均志・宮本 毅・長瀬敏郎 |
Fractional crystallization of olivine melt inclusion in shock-induced chondritic melt vein.[Physics of the Earth and Planetary Interiors,177(3-4),(2009),116-121] Miyahara, M., El Goresy, A., Ohtani, O., Kimura, M., Ozawa, S., Nagase, T., Nishijima, M. |
Computational simulations of the structure of Japanese twin boundaries in quartz.[Eur. J. Mineral.,21,(2009),373-383] Momma K., Nagase T., Kuribayashi T. and Kudoh Y. |
Micro-surgical FIB-TEM study of diverse liquidus wadsleyite-ringwoodite pairs fractionally crystallized from olivine melt enclaves in shock melt veins in L6 chondrites.[Meteoritics & Planetary Science,44,(2009),A79] El Goresy A., Miyahara M., Ohtani E., Nagase T., Nishijima M., Ferroir T. and Gillet Ph. |
Coherent and incoherent phase transformation from olivine to ringwoodite and the time scale for shock events on asteroids.[American Geophysical Union, Fall Meeting 2009, abstract #MR13B-1674,(2009)] Miyahara, M.; Ohtani, E.; Kimura, M.; El Goresy, A.; Ozawa, S.; Nagase, T.; Nishijima, M.; Hiraga, K. |
First natural occurrence of ringwoodite exsolution lamellae in fractionally crystallized Mg-rich wadsleyite from shock-induced olivine melts in L6 chondrites.[Annual report of Bayerisches Forschungsinstitut fur Experimentelle Geochemie und Geophysik, Universitat Bayreuth,2009,(2009),158-162] El Goresy A., Miyahara M., Ohtani E., Ozawa S., Nagase T. and Nishijima M. |
Coherent ringwoodite growth in olivine of Yamato 791384 L6 chondrite.[Annual report of Bayerisches Forschungsinstitut fur Experimentelle Geochemie und Geophysik, Universitat Bayreuth,2009,(2009),158-162] Miyahara M., Ohtani E., Kimura M., El Goresy A., Ozawa S., Nagase T., Nishijima M. and Hiraga K |
Detailed FIB-TEM study of ringwoodite lamellae in individual olivine grains in shock-melt veins of Yamato 791384 L6 chondrite.[Meteoritics & Planetary Science,44,(2009),A145] Miyahara M., Ohtani E., Kimura M., El Goresy A., Ozawa S. and Nagase T. |
Fractional crystallization of olivine melt inclusions in a shock-induced chondritic melt vein.[Annual report of Bayerisches Forschungsinstitut fur Experimentelle Geochemie und Geophysik, Universitat Bayreuth,2008,(2008),162-165] Miyahara M., El Goresy A., Ohtani E., Ozawa S., Nagase T. and Nishijima M |
Evidence for fractional crystallization of wadsleyite and ringwoodite from olivine melts in chondrules entrained in shock-melt veins.[Proceedings of the National Academy of Sciences,105,(2008),8542-8547] Miyahara M., El Goresy A., Ohtani E., Nagase T., Nishijima M., Vashaei Z., Ferroir T., Gillet P., Dubrovinsky L. and Simionovici A |
Application of FIB system to ultra-high pressure Earth science.[Journal of Mineralogical and Petrological Sciences,103,(2008),88-93] Miyahara M., Sakai T., Kobayashi Y., Ohtani E., Kondo T., Nagase T., Yoo J.-H., Nishijima M. and Vashaei Z |
Further evidence for ubiquitous fractional crystallization of wadsleyite and ringwoodite from olivine melt.[Meteoritics & Planetary Science,43,(2008),A102] Miyahara M., Kimura M., Ohtani E., El Goresy A., Ozawa S., Nagase T. and Nishijima M. |
The study of fine-grained interstice filling materials in chondrule and the fine-grained rim within Cold Bokkeveld chondrite by FIB-TEM/STEM.[Meteoritics & Planetary Science,42,(2007),A110] Miyahara M., Uehara S., Ohtani E., Nagase T. and Kitagawa R |
Appearance of basal faces in natural amethyst crystals from Four Peaks.[European Journal of Mineralogy,18(2),(2006),273-278] Kawasaki, M., Nagase, T., Onuma, K., Katsumata, T., Sunagawa, I |
Formation of metastable cubic-perovskite in high-pressure phase transformation of Ca(Mg,Fe,Al)Si2O6,.[Amer. Mineral.,90,(2005),457-462] Asahara, Y., Ohtani, E., Kondo, T., Kubo, T., Miyajima, N., Nagase, T., Fujino, K., Yagi, T., and Kikegawa, T. |
Fe-Mg partitioning between (Mg, Fe)SiO3 post-perovskite, perovskite, and magnesiowuestite in the Earth's lower mantle.[Geophys. Res. Lett.,,32,(2005),L19301] Kobayashi, Y., Kondo, T., Ohtani, E., Hirao, N., Miyajima, N., Yagi, T., Nagase, T., and Kikegawa, T. |
Angle-resolved photoemission study of CoSi2 nanofilms grown on Si(111) substrates.[Solid State Commun.,121,(2004),91-95] H. Sasaki, A. Tanaka, Y. Kuriyama, T. Nagasawa, S. Suzuki, S. Sato, and T. Nagase |
白頭山露頭集.[東北アジア研究センター叢書,16,(2004),153-166] 宮本毅,菅野均志,長瀬敏郎 |
Fluidization and melting of fault gouge during seismic slip: Identification in the Nojima fault zone and implications for focal earthquake mechanisms.[Journal of Geophysical Research,108(B4),(2003),2192-2208] K. Otsuki, N. Monzawa, T. Nagase |
白頭山(長白山)の爆発的噴火史の再検討.[東北アジア研究,7,(2003),93-110] 宮本 毅,中川光弘,大場 司,長瀬敏郎,菅野均志,大場 司,北村繁,谷口宏充 |
Interfacial energies for quartz and albite in pelitic schist.[Contrib. Mineral. Petrol.,143,(2002),664-672] T. Hiraga, O. Nishikawa, T. Nagase, M. Akizuki, D.L. Kohlstedt |
Quantitative analyses of Brazil twin defects in chalcedony by X-ray powder diffraction method.[KEK Progress Report,(2002)] 25) T. Nagase, M. Abiko, M. Tanaka |
Texture and morphology of submicron-sized quartz crystals with moganite synthesized by hydrothermal experiment.[International Mineralogical Association general meeting, Abstract and Program,2002,(2002),115] T. Nagase, M. Abiko, and Y. Kudoh |
Metastable garnet in oceanic crust at the top of the lower mantle.[Nature,429,(2002),803-806] T. Kubo, E. Ohtani, T. Kondo, T. Kato, M. Toma, T. Hoaoya, A. Sano, T. Kikegawa, T. Nagase |
白頭山10世紀噴火の噴火推移.[月刊地球,号外39,(2002),202-209] 宮本毅,中川光弘,大場司,長瀬敏郎,菅野均志,谷口宏充 |
Morphology of intergranular pores and wetting angles in pelitic schists studied by transmission electron microscopy.[Contrib. Mineral. Petrol.,141,(2001),613-622] T. Hiraga, O. Nishikawa, T. Nagase, M. Akizuki |
Triclinic liddicaotite and elbaite in growth sectors from Madagascar.[American Mineralogists,86,(2001),364-369] M. Akizuki, T. Kuribayashi, T. Nagase |
結晶の外形から何がわかるか.[日本結晶学会誌,42,(2000),469-473] 長瀬敏郎 |
準安定条件下で形成した鉱物の微細組織と微細構造.[日本結晶学会誌,42,(2000),148-154] 長瀬敏郎 |
準安定相の析出と溶液媒介相転移のカイネティクス.[岩鉱,94(3),(1999),377-388] 小島晶二,長瀬敏郎 |
The structure of grain boundaries in granite-origin ultramylonite studied by high-resolution electron microscopy,.[Physics and Chemistry of Minerals,36,(1999),617-623] T. Hiraga, T. Nagase and M. Akizuki |
High resolution TEM observations of micro-texture in arsenopyrite.[Geological Society of America annual meeting, Abstract and Program,31(7),(1999),A-170] T. Nagase, T. Nishihori, A. Kitakaze, M. Akizuki |
TEM observations of the disordered domain in marcasite from Ikezuki, Japan and Potosi, Bolivia.[International Mineralogical Association general meeting, Abstract and Program.,(1998),A86] T. Nagase and M. Akizuki |
Crystal structure of chondrodite at 5.5 GPa.[KEK Progress Report,98(3),(1998),117] Y. Kudoh, T. Kuribayashi, T. Nagase, S. Sasaki and M. Tanaka |
仙台市太白山産クリストバライト.[岩鉱,93(9),(1998),344] 大山次男・伊藤嘉紀・北風 嵐・長瀬敏郎・秋月瑞彦 |
Possible sites for hydrogen in a new hydrous magnesium silicate phase G synthesized at 22 GPa and 1050 °C.[in M. Nakamura, Eds. Proceedings of International Conference - AIRAPT-16 and HPCJ-38 - on High Pressure Science and Technology, Rev. High Pressure Sci. Technol., 7, 134-136, The Japan Society of High Pressure Science and Technology.,7,(1998),134-136] Y. Kudoh, T. Nagase, H. Mizohata, E. Ohtani, S. Sasaki and M. Tanaka |
An SEM examination of the chalcopyrite disease texture and its genetic implications.[Mineralogical Magazine,61,(1997),89] T. Nagase and S. Kojima |
Chrysoprase of Warawanda, West Australia.[Neues Jahrbuchfur Minerlogie, Monatshefte.,1997,(1997),289-300] T. Nagase, M. Akizuki, M. Onoda and M. Sato |
Crystal structure of phase G synthesized at 22 GPa and 1050°C.[KEK Progress Report,97(2),(1997),190] Y. Kudoh, T. Nagase, S. Sasaki, M. Kanzaki and M. Tanaka |
Texture and structure of opal-CT and opal-C in volcanic rocks.[Canadian Mineralogist,35,(1997),947] T. Nagase and M. Akizuki |
High resolution electron microscope observations of natural wurtzite.[Geological Society of America annual meeting, Abstract and Program.,29(6),(1997),A-400] T. Nagase, M. Akizuki and S. Kojima |
Structure and crystal chemistry of phase G, a new hydrous magnesium silicate synthesized at 22 GPa and 1050°C.[Geophysics Research Letter,24,(1997),1051] Y. Kudoh, T. Nagase, H. Mizohata, E. Ohtani, S. Sasaki and M. Tanaka 10.1029/97GL00875 |
A new hydrous silicate, a water reservoir, in the upper part of the lower mantle.[Journal of Geophysical Research,24,(1997),1047] E. Ohtani, H. Mizobata, Y. Kudoh, T. Nagase, H. Arashi, H. Yurimoto and I. Miyagi |
On the accuracy of X-ray diffraction intensities of a small single crystal of hydrous magnesium silicate measured with a four-circle diffractometer using a diamond anvil high pressure cell.[KEK Progress Report,96(3),(1996),148] Y. Kudoh, T. Nagase, S. Sasaki, M. Kanzaki and M. Tanaka |
A coprecipitation experiment on the chalcopyrite disease texture involving Fe-bearing sphalerite.[Journal of Mineralogy, Petrology and Economic Geology,90(8),(1995),261] S. Kojima, T. Nagase and T. Inoue |
Phase F, a new hydrous magnesium silicate synthesized at 1000°C and 17 GPa : Crystal structure and estimated bulk modulus.[Physics and Chemistry of Minerals,22,(1995),295] Y. Kudoh, T. Nagase, S. Sasaki, M. Tanaka and M. Kanzaki 10.1007/BF00202769 |
宮城県白石産球状岩.[岩鉱,90(4),(1994),124] 鈴木 五百紀, 秋月 瑞彦, 長瀬 敏郎, 藤巻 宏和, |
Crystal structure and compressibility of superhydrous phase B, Mg20 Si6 H8 O36.[High-pressure Science and Technology-1993, American Institute of Physics,(1994),469-472] Y. Kudoh, T. Nagase, S. Ohta, S. Sasaki, M. Kanzaki and M. Tanaka |
Crystal structure and compressibility of superhydrousphase B, Mg20Si6H8O36 using a diamondanvil and single crystal X-ray diffraction method.[KEK Progress Report,94-1,(1994),199] Y. Kudoh, T. Nagase, S. Ohta, S. Sasaki, M. Kanzaki and M. Tanaka |
閃亜鉛鉱-黄銅鉱共生組織における黄銅鉱の形態・粒径について.[資源地質,44(4),(1994),249] 小島晶二・長瀬敏郎 |
Crystal Structure analysis of fluorite, CaF2 at 7GPa using a diamond anvil and single crystal X-ray diffraction method.[KEK Progress Report,1,214,(1993)] Y. Kudoh, T. Nagase, S. Ohta, S. Sasaki, M. Kanzaki and M. Tanaka |
Improvement of mechanical properties of thin film coated glass.[Science and Technology of New Glasses,(1991)] H. Nakai and T. Nagase |