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Ce ANOMALIES OF ISLAND ARC IGNEOUS ROCKS

Research Project

Project/Area Number 11640472
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Petrology/Mineralogy/Science of ore deposit
Research InstitutionTOHOKU UNIVERSITY

Principal Investigator

FUJIMAKI Hirokazu  GRADUATE SCHOOL OF SCIENCE, TOHOKU UNIVERSITY, PROFESSOR, 大学院・理学研究科, 教授 (90133933)

Co-Investigator(Kenkyū-buntansha) OHBA Tsukasa  GRADUATE SCHOOL OF SCIENCE, TOHOKU UNIVERSITY, RESEARCH ASSISTANT, 大学院・理学研究科, 助手 (10272014)
ISHIKAWA Ken-ichi  GRADUATE SCHOOL OF SCIENCE, TOHOKU UNIVERSITY, RESEARCH ASSISTANT, 大学院・理学研究科, 助手 (20158744)
YOSHIDA Takeyoshi  GRADUATE SCHOOL OF SCIENCE, TOHOKU UNIVERSITY, PROFESSOR, 大学院・理学研究科, 教授 (80004505)
Project Period (FY) 1999 – 2000
Project Status Completed (Fiscal Year 2000)
Budget Amount *help
¥3,500,000 (Direct Cost: ¥3,500,000)
Fiscal Year 2000: ¥1,200,000 (Direct Cost: ¥1,200,000)
Fiscal Year 1999: ¥2,300,000 (Direct Cost: ¥2,300,000)
KeywordsRARE EARTH ELEMENT / Ce ANAMALY / ISLAND ARC VOLCANICS
Research Abstract

A number of igneous rocks from Kuzuryu and Hakusan volcanic zones, anf Ogasawara islands have been analyzed for rare earth elements by ICP-MS, Some plutonic rocks from central Mongolia have been analyzed as well. Only some volcanic rocks from the Ogasawara islands show negative Ce anamalies. Almost all of them are rather poor in light rare earth elements. In contrast, none of the volcanic rocks from Kuzuryu and Hakusan volcanic zones show Ce anomaly. All of the rocks from the two volcanic zones are highly enriched in light rare earth elements. It seems that there appears no volanic rock with netative Ce anomaly in the matured island arc. The mongolian plutonic rocks show slight but clear Ce anomaly : this may imply that the parental crustal material of the plutonic rocks could be pre-matured island arc material.

Report

(3 results)
  • 2000 Annual Research Report   Final Research Report Summary
  • 1999 Annual Research Report
  • Research Products

    (12 results)

All Other

All Publications (12 results)

  • [Publications] Fojimaki et al.,: "Geochemistry of Hannouba basalts, Wanquan County, Zhanjiakou district, Hebei, northern China"Northeast Asian Studies. 4. 231-245 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Fujimaki & Jargalan: "Geology and Petrology of granitic Pluton, Tsagaan Tsahir Uul, Central Mongolia"Northeast Asian Studies. 4. 213-230 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Fujimaki et al.,: "Mautle evolution beneath the eastrn Baikal region, Rassia"Northeast Asian Studies. 4. 145-172 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Ohtani, A., Miyamoto, T., Ohba, T., Fujimaki, H., and Liu, J.: "Geochemistry of Hannouba basalts, Wanquan county, Zhanjiakou district, Hebei, northern China"Northeast Asian Studies. Vol.4. 231-245 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Jargalan, S.and Fujimaki, H.: "Geology and Petrology of granitic pluton, Tsagaan Tsahir Uul, central Mongolia"Northeast Asian Studies. Vol.4. 213-230 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Litasov, K., Litasov.Y, Fujimaki, H., Miyamoto, T., Taniguchi, H.: "Mantleevolution the eastern Baikal region, Russia"Northeast Asian Studies. Vol.4. 145-172 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2000 Final Research Report Summary
  • [Publications] Fujimaki et al.: "Geochemistry of Hannouba basalts, Wanquan County, Zhanjiakou district Hebei, northern China"Northeast Asian Studies. 4. 231-245 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] Fujimaki & Jargalan: "Geology and Petrology of granitic Pluton, Tcaqaan Tcahir Unl, Central Mongolia"Northeast Asian Studies. 4. 213-230 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] Fujimaki et al.: "Mantle evolution beneath the eastern Baikal region, Russia"Northeast Asian Studies. 4. 145-172 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] Miyamoto T.,Fujimaki H.,Hasenaka T.,Taniguchi H,.Kitakaze A.: "Preliminary investigation of the Continental mantle materials beneath Kuandian, Liaoning, Northeastern China"Northeast Asian Studies. 2巻. 1-8 (1998)

    • Related Report
      1999 Annual Research Report
  • [Publications] Miyamoto T.,Fujimaki H.,Ohba T.,Hasenaka T.,Taniguchi H.,Kitakaze A.: "Major and some trace elements in the volcanic rocks from Olremg island, Korea"Northeast Asian Studies. 2巻. 9-20 (1998)

    • Related Report
      1999 Annual Research Report
  • [Publications] Miyamoto T.,Fujimaki H.,Hasenaka T.,Taniguchi H.: "Continental mantle xenaliths beneath Wangging Jiliu province, northeastern China"Northeast Asian Studies. 3巻. 233-248 (1999)

    • Related Report
      1999 Annual Research Report

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Published: 1999-04-01   Modified: 2016-04-21  

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