Shigekazu Yoneda

Presentations in academic conferences

  • Hidaka, H. and S. Yoneda, 2013.
    Systematic p-process isotopic excesses of Sr, Ba, Ce, Nd and Sm observed in the chemical separates of the Kapoeta meteorite.
    44th Lunar and Planetary Science Conference, Houston, U.S.A. Abstract #1867.
  • Yokoyama, T., K. Misawa, O. Okano, C.-Y. Shih, L. E. Nyquist, J. I. Simon, M. J. Tappa and S. Yoneda, 2013.
    K–Ca dating of alkali-rich fragments in the Y–74442 and Bhola LL–chondritic breccias.
    44th Lunar and Planetary Science Conference, Houston, U.S.A. Abstract #1972.
  • Yokoyama, T., K. Misawa, O. Okano, C.-Y. Shih, L. E. Nyquist, J. I. Simon, M. J. Tappa and S. Yoneda, 2012.
    Rb-Sr isotopic systematics of alkali-rich fragments in the Yamato–74442 LL-chondritic breccia.
    The 35th Symposium on Antarctic Meteorites, Tokyo.
    Antarctic Meteorites XXXV, 68-69.
  • Hidaka, H. and S. Yoneda, 2012. Heterogeneous neutron capture record of the Norton County enstatite achondrite.
    75th Annual Meeting of the Meteoritical Society, Cairns, Australia.
    Meteoritics and Planetary Sciences, 47: A83.
  • Misawa, K, T. Niihara, C.-Y. Shih, Y. D. Reese, L. E. Nyquist, S. Yoneda, H. Yamashita and D. Hirata, 2012.
    Additional Sr isotopic heterogeneity in Zagami olivine-rich lithology.
    75th Annual Meeting of the Meteoritical Society, Cairns, Australia.
    Meteoritics and Planetary Sciences, 47: A271.
  • Nagaoka, H., H. Takeda, Y. Karouji, M. Ohtake, A. Yamaguchi, S. Yoneda and N. Hasebe, 2012.
    Comparisons of mineralogy of pure anorthosite in lunar meteorites, Dhofar 489 group and pure anorthosite observed by Kaguya.
    75th Annual Meeting of the Meteoritical Society, Cairns, Australia.
    Meteoritics and Planetary Sciences, 47: A285.
  • Yokoyama, T., K. Misawa, O. Okano, C.-Y. Shih, L. E. Nyquist, J. I. Simon, M. J. Tappa and S. Yoneda, 2012.
    Rb-Sr isotopic systematics of alkali-rich fragments in Yamato-74442 and Bhola.
    75th Annual Meeting of the Meteoritical Society, Cairns, Australia.
    Meteoritics and Planetary Sciences, 47: A423.
  • Nagaoka, H., H. Takeda, Y. Karouji, M. Ohtake, A. Yamaguchi, S. Yoneda & N. Hasebe, 2011.
    Mineral Chemistry and Reflectance Spectra for the Anorthosite Clast in Lunar Meteorite Dhofar 489 with Reference to Lunar Farside Crust.
    The 34th Symposium on Antarctic Meteorites, Tokyo.
    Antarctic Meteorites XXXIV, 56-57
  • Hidaka, H. & S. Yoneda, 2011.
    Neutron capture records of mesosiderites.
    74th Annual Meeting of the Meteoritical Society, London, U.K.
    Meteoritics and Planetary Sciences, 46: A96.
  • Hidaka, H., S. Yoneda & K. Nishiizumi, 2010.
    A neutron capture study of the Jilin chondrite.
    73rd Annual Meeting of the Meteoritical Society, New York, U.S.A.
    Meteoritics and Planetary Sciences, 45: A81.
  • Hidaka, H. & S. Yoneda, 2009.
    Cosmic-Ray Exposure Histories of Gas-rich Brecciated Meteorites.
    72nd Annual Meeting of the Meteoritical Society (July 2009, Nancy, France).
    Meteoritics and Planetary Sciences, 44: A90.
  • Hidaka, H. & S. Yoneda, 2008.
    Barium Isotopic Composition of Chondrules in the Sayama Meteorite.
    71st Annual Meeting of the Meteoritical Society, (July-August, 2008, Matsue, Japan).
    Meteoritics and Planetary Sciences, 43: A56.
  • Kondo, T., H. Hidaka, & S. Yoneda, 2008.
    Large Samarium Isotopic Shift of the Norton County Meteorite by Neutron Capture Effect.
    71st Annual Meeting of the Meteoritical Society (July-August, 2008, Matsue, Japan).
    Meteoritics and Planetary Sciences, 43: A80.
  • Murakami, S., K. Kato, N. Fujikawa, K. Terada, S. Yoneda, S. Arai, H. Hidaka, A. Okada, K. Nagao, J.Park, N. Ebisawa & M. Kusakabe, 2008.
    Comprehensive Studies of the Hiroshima H-chondrite.
    71st Annual Meeting of the Meteoritical Society (July-August, 2008, Matsue, Japan).
    Meteoritics and Planetary Sciences, 43: A105.
  • H. Hidaka and S. Yoneda, 2006
    Neodymium, Samarium and Gadolinium Isotopic Studies of Lunar Meteorites Dhofar 489 and NWA 032
    69th Annual Meeting of the Meteoritical Society (August, 2006 in Zurich, Switzerland)
    Meteoritics and Planetary Sciences, 41: A76
  • H. Hidaka and S. Yoneda, 2006
    Nucleosynthetic barium isotopic anomalies in carbonaceous chondrites
    16th Annual V.M. Goldschmidt Conference (August-September, 2006 in Melbourne, Australia)
    Geochimica et Cosmochimica Acta, 70(18) Supplement: 249
  • T. Miyazaki, H. Hidaka, K. Horie and S. Yoneda, 2006
    Chemical and chronological characteristics of perovskite in the Allende type-A CAI
    16th Annual V.M. Goldschmidt Conference (August-September, 2006 in Melbourne, Australia)
    Geochimica et Cosmochimica Acta, 70(18) Supplement: 423
  • H. Hidaka and S. Yoneda, 2005
    Barium isotopic compositions of chemical separates in carbonaceous chondrites
    68th Annual Meeting of the Meteoritical Society, September, 2005, Tennessee, USA.
    Meteoritics and Planetary Sciences, 40: A66
  • H. Hidaka, S. Yoneda and K. Marti, 2003
    Regolith history on the aubrite parent body
    66th Annual Meeting of the Meteoritical Society, July, 2003, Muenster, Germany.
    Meteoritics and Planetary Sciences, 38: A60
  • T. Nakamura, T. Noguchi, and S. Yoneda, 2003
    The conditions of aqueous alteration reactions recorded in the sayama cm2 chondrite
    66th Annual Meeting of the Meteoritical Society, July, 2003, Muenster, Germany.
    Meteoritics and Planetary Sciences, 38: A47
  • H. Hidaka and S. Yoneda, 2003
    Neutron fluence measurements on the lunar surface
    13th Annual V.M. Goldschmidt Conference, September, 2003, Kurashiki, Japan
    Geochimica et Cosmochimica Acta, 67: A146
  • T. Nakamura, T. Noguchi, M. Sekiya, and S. Yoneda, 2003
    Early aqueous alteration of hydrous asteroids inferred from Sayama CM2 chondrite
    13th Annual V.M. Goldschmidt Conference, September, 2003, Kurashiki, Japan
    Geochimica et Cosmochimica Acta, 67: A327
  • J. Park, N. Ebisawa, K. Nagao and S. Yoneda, 2003
    Noble Gases in Hiroshima H-Chondrite
    13th Annual V.M. Goldschmidt Conference, September, 2003, Kurashiki, Japan
    Geochimica et Cosmochimica Acta, 67: A374
  • Y. Oura, T. Nagamine, S. Yoneda, M. Ebihara, And M. Honda, 2001
    Measurement of half life of 53Mn (II)
    APSORC2001, October-November, 2001, Hakata, Japan
  • H. Hidaka, S. Yoneda and K. Nishiizumi, 2001
    Neutron capture effects on Sm and Gd isotopes in Martian meteorites
    64th Annual Meeting of the Meteoritical Society, September, 2001, Vatican City (Rome, Italy)
    Meteoritics and Planetary Sciences, 36, A80-A81
  • S. Yoneda, M. Ebihara, Y. Oura, A. Okada, M. Kusakabe, T. Nakamura, K. Nagao, and H. Naraoka, 2001
    Recovery and classification of two new Japanese meteorites, Sayama CM and Towada H chondrites
    The 26th Symposium on Antarctic Meteorites, June 2001, Tokyo
    Antarctic Meteorites XXVI (Natl. Inst. Polar Res.), 172-174
  • N. Takaoka, T. Nakamura, T. Noguchi, E. Tonui, M. Gounelle, M. E. Zolensky, N. Ebisawa, T. Osawa, R. Okazaki, K. Nagao and S. Yoneda, 2001
    Sayama CM2 chondrite: Fresh but heavily altered.
    32nd Lunar and Planetary Science Conference (March, 2001, Houston, U.S.A.)
    Lunar and Planetary Science XXXII, CD-ROM, Abstract #1645
  • S. Yoneda, M. Ebihara, Y. Oura, A. Okada, M. Kusakabe, T. Nakamura, K. Nagao, and H. Naraoka, 2001
    Sayama meteorite: A new CM chondrite fall in Japan with highly aqueously altered textures.
    32nd Lunar and Planetary Science Conference (March, 2001, Houston, U.S.A.)
    Lunar and Planetary Science XXXII, CD-ROM, Abstract #2034
  • H. Hidaka, Y. Ohta, S. Yoneda and J.R. DeLaeter, 2000
    Isotopic evidence of live cesium-135 in the early solar system
    63rd Annual Meeting of the Meteoritical Society, (August, 2000, Chicago, U.S.A.j
    Meteoritics and Planetary Sciences, 35, A72-A73
  • J. Matsuda, T. Matsumoto, A. Seta, A. Tsuchiyama, Y. Nakashima and S. Yoneda, 2000
    Noble gases in a large bubble in moldavite: A comparison with philippinite.
    Catastrophic events and mass extinctions: Impacts and beyond, July 9-12,2000, Vienna.
  • N. Oura, M. Ebihara, S. Yoneda and N. Nakamura, 2000
    Chemical characteristics of Kobe and some other CK chondrites.
    The 25th Symposium on Antarctic Meteorites, June 2000, Tokyo
  • N. Nakamura, M. Ebihara, Y. Hirota, Y. Oura, S. Yoneda, H. Kojima, K. Tomeoka, T. Kojima, K. Komura, R.N. Clayton, T.K. Mayeda and D. Wang, 2000
    The Kobe Meteorite: Preliminary Results of Bulk Chemical Composition, Petrography, Cosmic-Ray Induced Radioactivities, Oxygen Isotopes and Classification
    31st Lunar and Planetary Science Conference (March, 2000, Houston, U.S.A.)
    Lunar and Planetary Science XXXI, CD-ROM, Abstract #1234

back