研究業績

　著書

  • プロフェショナル英和辞典 スペッド テラ(物質・工学編), 堀内克明ほか編, 分担執筆 124語, 小学館, 1863pp, 2004年7月.
  • Proceeding of Ocean Drilling Program, Initial Reports, Volume 209, Texas A&M University, 59p (CD-ROM), 2004.
  • 地球と宇宙の化学事典 日本地球化学会編, 分担執筆, 朝倉書店, 472pp. 2012年9月

　学術論文

  • Su T.-H., Yang, H.-J., Shau, Y.-H., Takazawa, E., Lee, Y.-C. (2015) CO2 sequestration utilizing basic-oxygen furnace slag: Controlling factors, reaction mechanisms and V–Cr concerns. Journal of Environmental Sciences, in press. doi.10.1016/j.jes.2015.06.012.
  • Shuto, K., Nohara-Imanaka, R., Sato, M., Takazawa, E., Kawabata, H., Takahashi, K., Ban, M., Watanabe N. and Fujibayashi, N. (2015) Across-arc Variations in Geochemistry of Oligocene to Quaternary Basalts from the NE Japan Arc: Constraints on Source Composition, Mantle Melting and Slab Input Composition. Journal of Petrology, 56, 2257-2297. doi.10.1093/petrology/egv073.
  • Liu, Y.-H., Yang, H.-J., Takazawa, E., Satish-Kumar, M., You, C.-F. (2015) Decoupling of the Lu–Hf, Sm–Nd, and Rb–Sr isotope systems in eclogites and a garnetite from the Sulu ultra-high pressure metamorphic terrane: Causes and implications. Lithos, 234-235, 1-14. doi.10.1016/j.lithos.2015.07.013.
  • Lai, Y.-J., Pogge von Strandmann, P.A.E., Dohmen, R., Takazawa, E., Elliott, T. (2015) The influence of melt infiltration on the Li and Mg isotopic composition of the Horoman Peridotite Massif. Geochimica et Cosmochimica Acta , 164, 318–332. doi.10.1016/j.gca.2015.05.006.
  • Yoshikawa, M., Python, M., Tamura, A., Arai, S., Takazawa, E., Shibata, T., Ueda, A., Satoh, T. (2015) Melt extraction and metasomatism recorded in basal peridotites above the metamorphic sole of the northern Fizh massif, Oman ophiolite. Tectonophysics, 650, 53–64, doi.10.1016/j.tecto.2014.12.004.
  • Ker, C.-M., Yang, H.-J., Zhang, J., Shau, Y.-H., Chieh, C.-J., Meng, F.,Takazawa, E., You, C.-F. (2015) Compositional and Sr–Nd–Hf isotopic variations of Baijingsi eclogites from the North Qilian orogen, China: Causes, protolith origins, and tectonic implications. Gondwana Research, 28, 721–734, doi.10.1016/j.gr.2014.06.006.
  • Kanke, N. and Takazawa, E. (2014) Kilometer-scale highly refractory harzburgite zone in the mantle section of the northern Oman ophiolite (Fizh block): implications for flux melting of oceanic lithospheric mantle. In Rollinson, H.R., Searle, M.P., Abbasi, I.A., Al-Lazki, A. and Al Kindi, M.H. (eds.), Tectonic Evolution of the Oman Mountains. Geological Society, London, Special Publications, 392, 229-246, doi.10.1144/SP392.12.
  • Sato, M., Shuto, K., Nohara-Imanaka, R., Takazawa, E., Osanai, Y., Nakano, N. (2014) Repeated magmatism at 34 Ma and 23-20 Ma producing high magnesian adakitic andesites and transitional basalts on southern Okushiri Island, NE Japan arc. Lithos, 205, 60–83, doi.10.1016/j.lithos.2014.06.008.
  • 野本有希・高澤栄一 (2013) オマーンオフィオライト・サラヒ岩体南西部に分布する超苦鉄質複合岩体の成因．岩石鉱物科学，42(3), 123-135, doi.10.2465/gkk.120624．
  • Kelemen, P., Al Rajhi, A., Godard, M., Ildefonse, B., Köpke, J., MacLeod, C., Manning, C., Michibayashi, K., Nasir, S., Shock, E., Takazawa, E., and Teagle, D. (2013) Scientific Drilling and Related Research in the Samail Ophiolite, Sultanate of Oman. Scientific Drilling, 15, 64-71. doi.10.2204/iodp.sd.15.10.2013.
  • 高澤栄一 (2012) オマーンオフィオライト・マントルセクションの組成マッピングからみた初期島弧におけるマントル溶融と反応過程．岩石鉱物科学，41(6), 257-266, doi.10.2465/gkk.120704.
  • Ildefonse, B., Abe, N., Blackman, D., K., Canales, J., P., Isozaki, Y., Kodaira, S., Myers, G., Nakamura, K., Nedimovic, M., Skinner, A., C., Seama, N., Takazawa, E., Teagle, D., A., Tominaga, M., Umino, S., Wilson, D., S., & Yamao, M. (2010) The Mohole: a crustal journey and mantle quest, Workshop in Kanazawa, Japan, 3-5 June 2010. Scientific Drilling, 10, 56-63, doi.10.5194/sd-10-56-2010.
  • Mensies, M., Kelemen, P., Dick, H., Bodinier, J.-L., Boudier, F., Hirth, G., Grove, T., Tommasi, A., Takazawa, E. (2010) Shallow mantle composition and dynamics: Fifth International Orogenic Lherzolite Conference Forward. Journal of Petrology, 51, 3-7, doi.10.1093/petrology/egp098.
  • Agashev, A.M., Pokhilenko, N.P., Takazawa, E., McDonald, J.A., Vavilov, M.A., Watanabe, T., Sobolev, N.V. (2008) Primary melting sequence of a deep (> 250 km) lithospheric mantle as recorded in the geochemistry of kimberlite–carbonatite assemblages, Snap Lake dyke system, Canada. Chemical Geology, 255, 317-328, doi.10.1016/j.chemgeo.2008.07.003.
  • Takazawa, E., Abe, N., Seyler, M. and Meurer, W. P. (2007) Hybridization of Dunite and Gabbroic Materials in Hole 1271B from Mid-Atlantic Ridge 15°N: Implications for Melt Flow and Reaction in the Upper Mantle. In Kelemen, P.B., Kikawa, E., and Miller, D.J. (Eds.), Proc. ODP, Sci. Results, 209, College Station, TX (Ocean Drilling Program), 1–23. doi.10.2973/odp.proc.sr.209.005.2007.
  • 新井田清信・高澤栄一 (2007) 幌満かんらん岩体の層状構造とその起源. 地質学雑誌, 113, 補遺, 167-184, doi.10.5575/geosoc.113.S167.（日本地質学会第114年学術大会，見学旅行案内書）
  • Morishita, T., Takazawa, E., Arai, S., Obata, M., Kodera, T. and Gervilla, F. (2006) Corundum-bearing mafic granulites in the Horoman (Japan) and Ronda (Spain) Peridotite Massifs: Possible remnants of recycled crustal materials in the mantle. Island Arc, 15, 2-3, doi.10.1111/j.1440-1738.2006.00517.x.
  • Shuto, K., Ishimoto, H., Hirahara, Y., Sato, M., Matsui, K., Fujibayashi, N., Takazawa, E., Yabuki, K., Sekine, M., Kato, M., and Rezanov, A. I. (2006) Geochemical secular variation of magma source during Early to Middle Miocene time in the Niigata area, NE Japan: Asthenospheric mantle upwelling during back-arc basin opening. Lithos, 86, 1-33, doi.10.1016/j.lithos.2005.06.001.
  • Obata, M. and Takazawa, E. (2004) Compositional continuity and discontinuity in the Horoman peridotite, Japan, and its implication for melt extraction processes in partially molten upper mantle. J. Petrol., 45, 223-234, doi.10.1093/petrology/egg106.
  • Takazawa, E., Okayasu, T. and Satoh, K. (2003) Geochemistry and origin of the basal lherzolites from the northern Oman ophiolite (northern Fizh block). Geochemistry Geophysics Geosystems, 4(2), 1021, doi.10.1029/2001GC000232.
  • Toramaru, A., Takazawa, E., Morishita, T. and Matsukage, K. (2001) Model of layering formation in a mantle peridotite (Horoman, Hokkaido, Japan). Earth and Planetary Science Letters, 185, 299-313, doi.10.1016/S0012-821X(00)00382-4.
  • Saal, A.E., Takazawa, E., Frey, F.A., Shimizu, N. and Hart, S.R. (2001) Re-Os isotopes in the Horoman Peridotite: evidence for refertilization? Journal of Petrology, 42, 25-37, doi.10.1093/petrology/42.1.25.
  • Takazawa E., Frey F.A., Shimizu N. and Obata M. (2000) Whole-rock compositional variations in an upper mantle peridotite (Horoman, Hokkaido, Japan): Are they consistent with partial melting hypothesis? Geochimica et Cosmochimica Acta, 64, 695-716, doi.10.1016/S0016-7037(99)00346-4.
  • Takazawa E., Frey F.A., Shimizu N., Saal A. and Obata M. (1999) Polybaric petrogenesis of mafic layers in the Horoman Peridotite Complex, Japan. Journal of Petrology, 40, 1827-1851, doi.10.1093/petroj/40.12.1827.
  • Rehkamper M., Halliday A.N., Alt J., Fitton J.G., Zipfel J. and Takazawa E. (1999) Non-chondritic platinum-group element ratios in oceanic mantle lithosphere: petrogenetic signature of melt percolation?. Earth and Planetary Science Letters, 172, 65-81, doi.10.1016/S0012-821X(99)00193-4.
  • Uchino M., Mashimo T., Kodama M., Kobayashi T., Takasawa E., Sekine T., Noguchi Y., Hikosaka H., Fukuoka K., Shono Y., Kondo T. and Yagi T. (1999) Phase transition and EOS of zinc sulfide under shock and static compressions up to 135 GPa. Journal of Physics and Chemistry of Solids, 60, 827-837, doi.10.1016/S0022-3697(98)00328-X.
  • Mashimo, T., Uchino, M., Nakamura, A., Kobayashi, T., Takasawa, E., Sekine, T., Noguchi, Y., Hikosaka, H., Fukuoka, K. and Shono, Y. (1999) Yield properties, phase transition, and equation of state of aluminum nitride (AlN) under shock compression up to 150 GPa. Journal of Applied Physics, 86, 6710-6716, doi.org/10.1063/1.371749.
  • 田澤純一・新潟基盤岩研究会 (1999) 新潟ー福島県境付近の奥只見地域から産出したペルム紀腕足類とその構造地質学的意義. 地質学雑誌, 105, 729-732, doi.10.5575/geosoc.105.729.
  • Zhu Y., Sekine T., Kobayashi T. and Takazawa E. (1998) Shock-induced phase transitions among SiC politypes. Journal of Materials Science, 33, 5883-5890, doi.10.1023/A:1004482922441.
  • Takazawa E., Sekine T., Kobayashi T. and Zhu Y.-Q. (1998) Hugoniot equation of state and high-pressure transformation of jadeite. Journal of Geophysical Research, 103, B6, 12261-12268, doi.10.1029/98JB00767.
  • Zhu Y.Q., Sekine T., Kobayashi T., Takazawa E., Terrones M. and Terrones H. (1998) Collapsing carbon nanotubes and diamond formation by shock waves. Chemical Physics Letters, 287, 689-693, doi.10.1016/S0009-2614(98)00226-7.
  • Kobayashi T., Sekine T., Fat'yanov O.V., Takazawa E. and Zhu Q.Y. (1998) Radiation temperatures of soda-lime glass in its shock-compressed liquid state. Journal of Applied Physics, 83, 1711-1716, doi.10.1063/1.366889.
  • Takazawa, E. (1996) Geodynamic Evolution of the Horoman Peridotite, Japan: Geochemical Study of Asthenospheric and Lithospheric Processes. Ph.D. dissertation, Massachusetts Institute of Technology, 562p.
  • Takazawa E., Frey F. A., Shimizu N. and Obata M. (1996) Evolution of the Horoman Peridotite (Hokkaido, J apan): Implications from pyroxene compositions. Chemical Geology (Special issue: Melt Processes and Exhumation of Garnet, Spinel and Plagioclase Facies Mantle. 2nd Orogenic Lherzolites Conference, Granada), 134, 3-26, doi.10.1016/S0009-2541(96)00083-6.
  • Navon O., Frey F.A. and Takazawa E. (1996) Magma transport and metasomatism in the mantle: A critical review of current geochemical models: Discussion. American Mineralogist, 81, 754-759, PDF.
  • Takazawa E., Frey F. A., Shimizu N., Obata M., and Bodinier J.-L. (1992) Geochemical evidence for melt migration and reaction in the upper mantle. Nature 359, 55-58, doi.10.1038/359055a0.
  • Frey F. A., Shimizu N., Leinbach A., Obata M., and Takazawa E. (1991) Compositional variations within the Lower Layered Zone of the Horoman peridotite, Hokkaido, Japan: Constraints on models for melt-solid segregation. Journal of Petrology (Special Lherzolite issue), 211-227, PDF.
  • 榊原正幸・新井田清信・戸苅賢二・赤坂正秀・高澤栄一・後藤芳彦・芳川雅子・木村学・紀藤典夫・田近淳・加藤孝幸・戸田英明 (1989) 上部白亜系湧別層群中のマンガンノジュール, 地質学雑誌, 95(3), 241-244, doi.10.5575/geosoc.95.241.

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　紀要・報告書等

  • 末武杏奈・高澤栄一 (2012) オマーンオフィオライト・フィズ岩体のマントルセクションに分布するダナイトの空間的な組成変動と成因について. 月刊地球, 391, 247-251.
  • 高澤栄一・春日良一・山野井陽一 (2012) オマーンオフィオライト・サラヒ岩体マントルセクションの鉱物組成分布からみた海嶺−島弧変遷プロセス. 月刊地球, 391, 252-257.
  • 村上龍太朗・菅家奈未・高澤栄一 (2008) オマーンオフィオライト・フィズ岩体の海嶺セグメント構造とマントルセクションの組成変化. 月刊地球, 343, 86-93.
  • 高澤栄一・高木貴志 (2006)日高変成帯幌満かんらん岩体のマフィックレイヤーの再溶融に関する検討, 平成16〜17年度科学研究費補助金（基盤研究(C)), マフィック岩を包有する不均質なマントルの部分融解に関する地質学的検証, 研究成果報告書, 9-19.
  • Takazawa, E., Abe, N., Seyler, M. and Meurer, W.P. (2006) Hybridization of dunite and gabbroic material in Hole 1271B from Mid-Atlantic Ridge 15°N: implications for melt flow and reaction in the upper mantle. 平成16〜17年度科学研究費補助金（基盤研究(C)), マフィック岩を包有する不均質なマントルの部分融解に関する地質学的検証, 研究成果報告書, 21-32.
  • 菅家奈未・高澤栄一 (2006) オマーンオフィオライト北部Fizh岩体の地球化学的研究 -海洋リソスフェリックマントルの形成と進化について-, 平成16〜17年度科学研究費補助金（基盤研究(C)), マフィック岩を包有する不均質なマントルの部分融解に関する地質学的検証, 研究成果報告書, 33-59.
  • 多久和航・高澤栄一 (2006) 上越帯至仏山蛇紋岩体の岩石学—接触変成作用と源岩について, 平成16〜17年度科学研究費補助金（基盤研究(C)), マフィック岩を包有する不均質なマントルの部分融解に関する地質学的検証, 研究成果報告書, 61-77.
  • 根尾夏紀・高澤栄一・周藤賢治 (2006) 四重極型誘導結合プラズマ質量分析計（ICP-MS）による玄武岩質岩・かんらん岩の微量元素分析, 平成16〜17年度科学研究費補助金（基盤研究(C)), マフィック岩を包有する不均質なマントルの部分融解に関する地質学的検証, 研究成果報告書, 79-94.
  • Kelemen, P.B., Kikawa, E., Miller, D.J. and Shipboard Scientific Party (including Takazawa, E.) (2004) Proceeding of Ocean Drilling Program, Initial Reports., 209, Ocean Drilling Program, Texas A&M University, 139p (with CD-ROM).
  • Takazawa, E., Frey, F.A., Shimizu, N., Obata, M. and Bodiner, J.-L. (2004) Spatial variation of trace element abundances in clinopyroxenes from the layered Horoman Peridotite, Japan: implications for melt flow and reaction in the upper mantle. 平成14〜15年度科学研究費補助金（基盤研究(C)(2)）, アセノスフェアによるリソスフェアマントル改変プロセスの地質学的検証, 研究成果報告書, 7-29.
  • 菅家奈未・高澤栄一 (2004) オマーンオフィオライト北部フィズ岩体マントルセクションの空間組成分布．科学研究費補助金（基盤研究(C)(2)), アセノスフェアによるリソスフェアマントル改変プロセスの地質学的検証, 研究成果報告書, 91-106.
  • Shipboard Scientific Party (including Takazawa, E.) (2003) Leg 209 Preliminary Report: Drilling Mantle Peridotite along the Mid-Atlantic Ridge from 14° to 16°N, Ocean Drilling Program, Texas A&M University, 2003.
  • 高澤栄一 (2003) メルト−マントル反応による未分化マントル再生過程の地球科学的検証, 平成13年度実吉奨学会研究助成金受給者研究報告集, 17-20.
  • Niida, K., Takahashi, N., Takazawa, E., Sawaguchi, T., Morishita, T., Ozawa, K., Arai, S. and Obata, M. (2002) Guide book for field excursion to the Horoman Peridotite Complex. Fourth International Workshop on Orogenic Lherzolite and Mantle Processes, Samani, Hokkaido, Japan, 98p.
  • 高澤栄一 (2001) 地球はどこまでわかっているか−現代の地球観−, 平成13年度新潟大学テレビ公開講座「生きている地球−新潟から検証する日本列島の過去・現在・未来」テキスト, 1-10, 2001.
  • 岡安冬恵・高澤栄一 (2001) オマーンオフィオライト，北部Fizhブロックのマントルセクションにおける岩石組織と変形構造の空間分布, 科学研究費補助金（基盤研究(A)(2)), 研究成果報告書, 45-55.
  • 高澤栄一 (1999) オマーンオフィオライトのレルゾライトの起源. 月刊地球, 382-388.
  • 高澤栄一 (1998) オマーンオフィオライト北部に産する２種類の基底レルゾライトの岩石学的検討. 国際学術研究, 海洋地殻生成のダイナミクス−オマーンオフィオライトを例として−, 研究成果報告書, 47-57.
  • Tsuchiya, N., Shibata, T., Koide, Y., Owada, M., Takazawa, E., Goto, Y., Choi, J.H., Terada, S. and Hariya, Y. (1989) Major element analysis of rock samples by X-ray fluorescence spectrometry, using Scandium anode tube. Journal of the Faculty of Science, Hokkaido University, Series IV, Geology and Mineralogy, vol. 22, pp. 489-502.
  • 高澤栄一 (1988) 幌満超苦鉄質岩体上部の層状構造, 日高・神居古潭・常呂帯総研連絡誌, 北海道の構造帯−岩石学とテクトニクスNo. 3, pp. 55-59.

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　国際学会・シンポジウムでの講演

  • Takazawa, E., Kanke, N., Nomoto, Y., Fujii, S., Suetake, A., and Murakami, R. (2014) Update on the spatial distribution of highly refractory peridotites in the northern Oman mantle section as proxy for fluid infiltration and flux melting. Abstract for 6th Orogenic Lherzolite Conference, Marrakech, Morocco, 4-15 May.
  • Takazawa, E., Suetake, A., Murakami, R., Kanke, N., Satoh, R., Kanazawa, S., Kasuga, R., Yamanoi, Y. (2012) Spatial evolution of oceanic lithosphere to forearc mantle inferred from mantle section in the northern Oman ophiolite. Abstract for International Conference on the Geology of the Arabian Plate and the Oman Mountains, 247-250, Muscat, Oman, 7-12 January.
  • Suetake, A. and Takazawa, E. (2012) Spatial compositional variability and origin of dunites in the Fizh mantle section, the Oman ophiolite. Abstract for International Conference on the Geology of the Arabian Plate and the Oman Mountains, 243-244, Muscat, Oman, January.
  • Takazawa, E., Kanke, N., Murakami, R., Satoh, R., Kanazawa, S., Suetake, A. (2011) Formation and evolution of oceanic lithospheric mantle inferred from the northern Oman ophiolite. Abstract for Workshop on "Ocean Mantle Dynamics: From Spreading Center to Subduction Zone", O-17, AORI, Kashiwa, 4-6 October.
  • Elliott, T., Pogge von Strandmann, P., Lai, Y.J., Kasemann, S., Ionov, D, Takazawa, E., Marschall, H., Gallagher, K. and Dohmen, R. (2010) Fractionation of Li and Mg Isotopes in Mantle Derived Materials- Promise, Perils and Progress. Goldschmidt Conference Abstract 805, Prague, Czech Republic, August. Keynote
  • Lai, Y., Elliott, T., Pogge von Strandmann, P., Dohmen, R., Takazawa, E. and Bristol Isotope Group (2010) Peridotite Li and Mg isotope heterogeneity: recycling or diffusion? American Geophysical Union, Fall Meeting, abstract #V51A-2158, San Francisco, U.S.A., December.
  • Takazawa, E., Kanke, N., Murakami, R., Satoh, R., Kanazawa, S. (2008) Geochemical variability of the Fizh mantle section, Oman ophiolite with relevance to paleo-ridge segment structure. Abstract for AGU Chapman Conference on Shallow Mantle Composition and Dynamics Fifth International Orogenic Lherzolite Conference, 75, Mount Shasta, USA, September.
  • Takazawa, E., Murakami, R., Kanke, N. (2008) Paleo-ridge segment structure and geochemical variability in the Fizh mantle section, the Oman ophiolite. Abstract for 5th Annual Meeting of Asian Oceania Geocsciences Society, 367, Busan, Korea, June.
  • Hsu, Y.-J., Yang, H.-J., Takazawa, E. (2008) Numerical modeling of REE abundances of clinopyroxene in Hawaiian spinel lherzolites: implications on the scale of mantle metasomatism. Taiwan Geological Academic Conference, Taipei, R.O.C., May.
  • Takazawa, E., Murakami, R., Kanke, N. (2007) Residual melting column and paleo-ridge segment structure inferred from the Fizh mantle section, the Oman ophiolite. Abstract for 2006 Korea - Japan Joint Symposium on Ocean Drilling, 144-148, Jeju Island, Korea, November.
  • Takazawa, E. and Abe, N. (2006) Highly refractory peridotites drilled at Mid-Ocean ridge near 15°N Fracture Zone (ODP Leg209). Proceedings and abstracts from 2006 Japan - Korea Joint Symposium on Ocean Drilling, Niigata, April-May.
  • Takazawa, E., Kanke, N. (2006) Kilometer-scale highly refractory zone in the mantle section of the northern Oman ophiolite (Fizh block): implications for remelting of oceanic lithospheric mantle. Abstract for 19th General Meeting of the International Mineralogical Association, July 23-28, Kobe, Japan.（招待講演）
  • Shimizu, N., Warren, J.M., Frey, F.A. and Takazawa, E. (2006) The Horoman Peridotite Massif: an Example of Ancient Ultraslow-Spreading Ridge Abyssal Peridotites? American Geophysical Union, Fall Meeting, abstract # V12C-07, San Francisco, U.S.A., December.
  • Takazawa, E., Frey, F. A., Shimizu, N., Obata, M. and Bodinier, J. -L. (2003) Spatial variation of trace element abundances in clinopyroxenes from the layered orogenic lherzolite (Horoman peridotite, Japan): Implications for melt flow and reaction in the upper mantle. Abstract for the 13th Annual V.M. Goldschmidt Conference, Geochim. Cosmochim. Acta, 67, A471, Kurashiki, September.
  • Takazawa, E., Frey, F. A., Shimizu, N., Obata, M., Bodinier, J.-L. (2002) Enrichment of highly incompatible elements at harzburgite-lherzolite boundaries in the Horoman peridotite, Hokkaido, Japan: implications for formation of harzburgite by melt-mantle reaction. Abstract for Fourth International Workshop on Orogenic Lherzolites and Mantle Processes, 171-172, Samani, Hokkaido, Japan.
  • Takazawa E. and Okayasu, T. (2001) Presence of orogenic-type lherzolite at the base of northern Oman ophiolite. Abstract for International Conference Geology of Oman, 84, Mascut, Oman.
  • Takazawa E., Frey F.A., Shimizu N., Saal A. and Obata M., (1999) Petrogenesis of mafic layers in the Horoman Peridotite Complex, Japan. Ofioliti, 24 (1a), 173, Abstract for 3rd International Workshop on Orogenic Lherzolites and Mantle Processes, Pavia, Italy.
  • Takazawa E., Frey F.A. and Shimizu N., (1999) Abundances of trace elements in clinopyroxenes from the Horoman peridotite complex: evidence of reaction with exotic melt/flu id. Ofioliti, 24 (1a), 171-172, Abstract for 3rd International Workshop on Orogenic Lherzolites and Mantle Processes, Pavia, Italy.
  • Saal, A.E., Takazawa, E., Frey, F.A., Shimizu, N. and Hart, S.R. (1999) Re-Os isotopic composition of Horoman peridotite: Implications for the genesis of the plagioclase-lherzolite and the layered structure. Ofioliti 24, 160, Abstract for 3rd International Workshop on Orogenic Lherzolites and Mantle Processes, Pavia, Italy, September.
  • Takazawa E., Frey F.A., Shimizu N., Saal A. and Obata M. (1998) Polybaric origin of mafic layers in the Horoman Peridotite Complex, Japan. EOS Transaction, AGU, 79, S368, Spring Meeting Supplment, San Fransisco, USA.
  • Takazawa E., Sekine T., Kobayashi T. and Zhu Y.-Q. (1998) Shock-induced phase transformation of jadeite. Advanced Materials '98 Advanced Materials Research Utilizing Extrreme Conditions, 197-200, Proceedings of the 5th NIRIM International Symposium on Advanced Materials (ISAM'98), Tsukuba, Japan.
  • Takazawa E., Sekine T., Kobayashi T., Zhu T. (1997) Shock compression of NaAlSi2O6 to 140 GPa. Special Issue of The Review of High Pressure Science and Technology, 6, 17, Extended abstract for International Conference on High Pressure Science and Technology (JOINT AIRAPT-16 & HPCJ-38), Kyoto, Japan.
  • Saal, A.E., Takazawa, E., Frey, F.A., Shimizu, N. and Hart, S.R. (1997) Re-Os isotopes in Horoman peridotite. 7th Goldschmidt Conference 182, Tucson, Arizona, USA.
  • Takazawa E., Frey F. A., Shimizu N., Yoshikawa M., and Nakamura E. (1995) Geodynamic evolution of the Horoman peridotite, Hokkaido, Japan based on geochemical studies of a 140 m stratigraphic section. Abstract for 2nd International Workshop on Orogenic Lherzolites and Mantle Processes, Granada, Spain, 68-69.
  • Takazawa E., Shimizu N., and Frey F. A. (1994) Development and evolution of the lithospheric mantle: a case study from the Horoman peridotite, Japan. Mineralogical Magazine, 58A, 889-890, Extended Abstracts for V.M. Goldschmidt Conference, Edinburg, UK.
  • Takazawa E. , Shimizu N., and Frey F. A. (1993) Compositional zoning in clinopyroxenes from the Horoman layered ultramafic complex, Japan. EOS Transaction, AGU, 74, 682, Fall Meeting Supplment, San Fransisco, USA.
  • Takazawa E., Frey F. A., Shimizu N., Obata M., and Nakamura E. (1992) Geochemical characteristics of the Horoman layered ultramafic complex, Hokkaido, Japan: evidence for fluid migration and reaction in the upper mantle. Abstract for 29th International Geological Congress, Kyoto, Japan.
  • Takazawa E., Frey F. A., Shimizu N., and Obata M. (1991) Trace element abundances in clinopyroxene from the Horoman layered ultramafic complex, Hokkaido, Japan: evidence for fluid migration and reaction in the upper mantle. EOS Transaction, AGU, 72, 537, Fall Meeting Supplment, San Fransisco, USA.
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