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1993 Fiscal Year Final Research Report Summary

Chemical characteristics of sedimentary rocks and meta-sedimentary rocks of tectonic belts in Japanese Islands and geological environments of their formations

Research Project

Project/Area Number 03402018
Research Category

Grant-in-Aid for General Scientific Research (A)

Allocation TypeSingle-year Grants
Research Field 地質学一般
Research InstitutionNagoya University (1993)
Ehime University (1991-1992)

Principal Investigator

KAWABE Iwao  Nagoya University, Sci.Assoc.Prof., 理学部, 助教授 (40127890)

Co-Investigator(Kenkyū-buntansha) KOJIMA Satoru  Nagoya University, Sci.Assoc.Prof., 理学部, 助教授 (20170243)
ADACHI Mamoru  Nagoya University, Sci.Prof., 理学部, 教授 (10113094)
MIZUNO Atsuyuki  Ehime University, Sci.Prof., 理学部, 教授 (60181898)
SAKAKIBARA Masayuki  Ehime University, Sci.Assoc.Prof., 理学部, 助教授 (80202084)
KOMATSU Masayuki  Ehime University, Sci.Prof., 理学部, 教授 (00018665)
Project Period (FY) 1991 – 1993
KeywordsSedimentary rocks / Carbonate rocks / Rare earths / Tectonic belts
Research Abstract

We have installed an ICP-AES spectrometer (Seiko SPS-1500R) and established REE plus Y determinations in various types of sedimentary rocks. We have applied our ICP-AES method to determining REE and Y in limestones, dolostones, metamorphic rocks, Precambrian iron ores, and deep-sea ferromanganese nodules. We focused on the chemical classification of carbonate rocks in the tectonic belts in Japanese Islands from REE and Y analyzes. The three types of (1) coral reef-type, (2) continental margin-type, and (3) deep-see type are distinguished. Their geological environments of carbonate rock formations inferred from our geochemical data are in good agreements with previous sedimentological and geological analyzes.
We also made an important theoretical study of "Tetrad effect", which must be an important basis to understand REE behaviors in sediment-water systems in low temperatures. From this viewpoint, experimental study on partitioning of REE and Y in the system of FE-Mn hydroxide and NaCl solution have been initiated. It is the first step to elucidate the REE behaviors not only in sedimentary rock formations but also in aquatic earth's environments.

  • Research Products

    (16 results)

All Other

All Publications (16 results)

  • [Publications] Kawabe,I.: "Lathanide tetrad effect in the Ln3+ ionic radii and refined spin-pairing energy theory." Geochem.J.26. 309-335 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 柚原雅樹,川辺岩夫,小松正幸: "伊那領家帯の変成岩および花崗岩の希土類元素組成:花崗岩化作用の検討." 月刊地球. 14. 700-705 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Sakakibara,et al.: "Evidence for radiolarian chert xenoliths for post-Early Jurassic volcanism of the・・・・" J.Geol.Soc.Japan. 99. 831-833 (1993)

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      「研究成果報告書概要(和文)」より
  • [Publications] 榊原正幸 他: "四国三波川変成帯における中期中新世の熱変成作用" 地質学論集. 42. 279-296 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kawabe,I.et al.: "Comparison of REE analyses of GSJ carbonate reference rocks by ICP-AES and INAA:Fission" Geochem.J.28(in press). (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Adachi,M.et al.: "The Okuhinotsuchi granitic mass in the South Kitakami terrane:pre-Silurian basement or・・・・" J.Mineral.Petrol.Economic Geol.88(in press). (1994)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kawabe, I.: "Lathanide tetrad effect in the Ln3+ ionic radii and refined spin-pairing energy theory." Geochem.J.vol.26,26. 309-335 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Yhara, M., Komatsu, M.and Kawabe, I.: "REE abundances of Ryoke metamorphic rocks and granites in Ina area : possible granitization." Monthly Earth. vol.14. 700-705 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Shimura, T., Komatsu, M.and Iiyama, J.T.: "Genesiss of the lower crustal garnet-orthopyroxene tonalite (S-type) of the Hidaka metamaorphic belt, northern Japan." Trans.Roy.Edinburgh, Earth Sci.vol.83. 259-268 (1992)

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  • [Publications] Komatu, M., Nagasa, M., Naito, K., Kanno, K.: "Reexamination of Funatsu shear zone." Monthly Earth. vol.14. 192-196 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Sakakibara, M.and Ohta, T.: "P/T path of Kamuikotan metamorphics." Monthly Earth. vol.14. 173-179 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Sakakibara, M., Hori, R.and Murakami, T.: "Evidence for radiolarian chert xenoliths for post-Early Jurassic volcanism of the Mikabu greenstones, Okuki area, western Shikoku, Japan." J.Geol.Soc.Japan. vol.99. 831-833 (1993)

    • Description
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  • [Publications] Sakakibara, M., Komatsu, M., Takahashi, M., Osanai, Y.and Itaya, T.: "Middle Miocene thermarl event in the Sanbagawa metarmorphic belt." Mem.Geol.Soc.Japan. No.42. 279-296 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kawabe, I., Inoue, T.and Kitamura S.: "Comparison of REE analyzes of GSJ carbonate reference rocks by ICP-AES and INAA : Fission and spectral interferences in INAA determination of REE in geochemical samples with high U/REE ratios." Geochem.J.vol.28, in press. (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Adachi, M., Suzuki, K., Yogo, S.and Yoshida, S.: "The Okuhinotsuchi granitic mass in the South Kitakami terrane : pre-Silurian basement or Permian intrusives." J.Mineral.Petrol.Economic Geol.vol.88, in press. (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Kojima, S., Naka, T., Kimura, K., Mengal, J.M., Siddiqui, M.R.H.and Bakht, M.S.: "Mesozoic radiolarians from the Bagh Complex in the Muslim Bag area, Pakistan." Bull.Geol.Surv.Japan. in press. (1994)

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Published: 1995-03-27  

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