Takazawa Lab

Department of Geology, Faculty of Science, Niigata University, 2-8050, Ikarashi-Nakajima, Nishi-ku, Niigata, Japan

 

E-mail: takazawa@geo.sc.niigata-u.ac.jp

 

Employment history: 

2013 Professor, Department of Geology, Faculty of Science, Niigata University

1999-2013 Associate Professor, Department of Geology, Faculty of Science, Niigata University

1997-1999 Lecturer, Department of Geology, Faculty of Science, Niigata University

1996-1997 Center of Excellence Fellow, National Institute of Research in Inorganic Materials

1994-1996 Research Assistant, Massachusetts Institute of Technology

1994 Teaching Assistant, Massachusetts Institute of Technology

1990-1994 Research Assistant, Massachusetts Institute of Technology

1990 Japanese Society for the Promotion of Science Research Fellow -DC

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Research area

Research Equipment

 

EPMA (JEOL JXA-8600; JEOL JSM-5600)

 

XRF (RIGAKU RIX-3000), ICP-MS (Agilent 7500a)

 

Laser Abration System (New Wave Research UP-213)

 

TIMS (Thermo Fisher Scientific MAT262)

  • • Selected relevant publications
  • • Ueda, H., Takazawa, E., Kato, R. and Adachi, Y., Evaluation of time-resolved mean-of-ratios reduction for laser ablation zircon U-Pb dating using quadrupole ICPMS. Geochemical Journal, 52, 241-254, 2018.
  • • Lai, Y.-J., Pogge von Strandmann, P.A.E., Dohmen, R., Takazawa, E., Elliott, T., The influence of melt infiltration on the Li and Mg isotopic composition of the Horoman Peridotite Massif. Geochimica et Cosmochimica Acta ,164, 318–332, 2016.
  • • Liu, Y.-H., Yang, H.-J., Takazawa, E., Satish-Kumar, M., You, C.-F., 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, 2015.
  • • Yoshikawa, M., Python, M., Tamura, A., Arai, S., Takazawa, E., Shibata, T., Ueda, A., Satoh, T., Melt extraction and metasomatism recorded in basal peridotites above the metamorphic sole of the northern Fizh massif, Oman ophiolite. Tectonophysics, 650, 53–64, 2015.
  • • Kanke, N. and Takazawa, E., A kilometre-scale highly refractory harzburgite zone in the mantle section of the northern Oman Ophiolite (Fizh Block): implications for flux melting of oceanic lithospheric mantle. Geological Society, London, Special Publications, 392, 229–246, 2014.
  • • Takazawa. E., Melting and reaction in an incipient subarc mantle as inferred from the spatial compositional variability in the mantle section of the Oman ophiolite. Japanese Magazine of Mineralogical and Petrological Sciences, 41, 257-266, 2012. (in Japanese with English abstract)
  • • 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.), Proceedings of Ocean Drilling Program, Science Results, 209, 1–23, doi:10.2973/odp.proc.sr.209.005.2007.
  • • 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.
  • • 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.
  • • 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.
  • • Takazawa, E., Frey F. A., Shimizu N. and Obata M. (1996) Evolution of the Horoman peridotite: Implicationsfrom pyroxene compositions. Chemical Geology, 134, 3-26.
  • • 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.

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Tennis

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