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Sulfur supplies of arc volcanoes from frontal to back-arc-sulfur contents of melt inclusions in phenocrysts

Research Project

Project/Area Number 15540433
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Geology
Research InstitutionShinshu University

Principal Investigator

YAMAGUCHI Yoshiaki  Shinshu University, Dept.of Geology, Prof., 理学部, 教授 (50144689)

Co-Investigator(Kenkyū-buntansha) HARAYAMA Satoru  Shinshu University, Dept.of Geology, Prof., 理学部, 教授 (60293536)
MAKINO Kuniaki  Shinshu University, Dept.of Geology, Ass.Prof., 理学部, 助教授 (30242712)
Project Period (FY) 2003 – 2004
Project Status Completed (Fiscal Year 2004)
Budget Amount *help
¥3,700,000 (Direct Cost: ¥3,700,000)
Fiscal Year 2004: ¥800,000 (Direct Cost: ¥800,000)
Fiscal Year 2003: ¥2,900,000 (Direct Cost: ¥2,900,000)
Keywordsmelt inclusion / Sulfer content / arc volcanics / volcanic front / back-arc / mafic magma / subduction zone / 火山フロント / 沈み込み帯 / イオウ供給 / 斑晶メルト包有物 / マフィックマグマ / 浅間火山 / 富士火山 / 背弧火山
Research Abstract

Our research project revealed that subduction related magmas of island arc volcanoes have high sulfur concentrations. Mafic magmas are expected to supply large amounts of sulfur to the volcanic magma system, and the sulfur is released during eruptions. We investigated the characteristics of major components and estimate sulfur supplies in the magma systems of volcanics from the volcanic front to back-arc, based on melt inclusion studies.
1)we performed microprobe analyses of sulfur as well as major components of melt inclusions trapped in olivine phenocrysts from many volcanoes along the volcanic front from southwest Hokkaido through Tohoku to Chubu areas. Mafic magmas injected into the felsic chamber beneath the volcanoes is indicated to be hidrous and have large sulfur concentration. The mafic magmas were vesiculated before the melt entrapment in olivine phenocrysts.
2)In the back-arc areas, on the other hand, melt inclusions in olivine phenocrysts have relatively low sulfur concentration, and phenocrysts (olivine and pyroxene) trapped high-K_2O melt inclusions.
3)We performed microprobe analysis for sulfur, FTIR analysis for H2O, determine Sulfur-Xray peak shift of the melt inclusions trapped in olivine phenocrysts, and tried to develop some methods in the melt inclusion study.

Report

(3 results)
  • 2004 Annual Research Report   Final Research Report Summary
  • 2003 Annual Research Report
  • Research Products

    (16 results)

All 2005 2004 2003 Other

All Journal Article (12 results) Publications (4 results)

  • [Journal Article] Successive zoning of aluminum and hydrogen in quartz from a hydrothermal vein.2005

    • Author(s)
      Miyoshi, N., Yamaguchi, Y., Makino, K.
    • Journal Title

      American Mineralogist 90

      Pages: 310-310

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2004 Annual Research Report 2004 Final Research Report Summary
  • [Journal Article] 浅間および草津白根火山のカンラン石斑晶に捕獲されたメルト包有物の角閃石娘結晶2005

    • Author(s)
      山口佳昭, 山口珠美, 太田靖
    • Journal Title

      地球科学 90

      Pages: 310-310

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2004 Annual Research Report 2004 Final Research Report Summary
  • [Journal Article] Ti-substitution mechanism in plutonic oxy-kaersutite from the Larvik alkaline complex, Oslo rift, Norway2004

    • Author(s)
      Satoh, H., Yamaguchi, Y., Makino, K.
    • Journal Title

      Mineralogical Magazine 68

      Pages: 687-687

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2004 Final Research Report Summary
  • [Journal Article] Mafic enclaves densely concentrated in the upper part of the vertically zoned felsic magma chamber : The Kurobegawa Granitic Pluton, Hida Mountain Range, central Japan2004

    • Author(s)
      Wada, H., Harayama, S., Yamaguchi, Y.
    • Journal Title

      The Geological Society of America Bulletin 116

      Pages: 788-788

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2004 Final Research Report Summary
  • [Journal Article] Ti-substitution mechanism in plutonic oxykaersutite from the Larvik alkaline complex, Oslo rift, Norway.2004

    • Author(s)
      Satoh, H., Yamaguchi, Y., Makino, K.
    • Journal Title

      Mineralogical Magazine 68

      Pages: 687-697

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2004 Final Research Report Summary
  • [Journal Article] Mafic enclaves densely concentrated in the upper part of the vertically zoned felsic magma chamber : The Kurobegawa Granitic Pluton, Hida Mountain Range, central Japan.2004

    • Author(s)
      Wada, H., Harayama, S., Yamaguchi, Y.
    • Journal Title

      The Geological Society of America Bulletin 116

      Pages: 788-801

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2004 Annual Research Report 2004 Final Research Report Summary
  • [Journal Article] Ti-substitution mechanism in plutonic oxy-kaersutite from the Larvirk alkaline complex, Oslo rift, Norway2004

    • Author(s)
      Satoh, H., Yamaguchi, Y., Makino, K.
    • Journal Title

      Mineralogical Magazine 68

      Pages: 687-687

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Synthetic silica glass for trace aluminum analysis in quartz by electron microprobe2003

    • Author(s)
      Miyoshi, N., Satoh, H., Yamaguchi, Y., Masuda, H.
    • Journal Title

      The Journal of Geostandards and Geoanalysis 27

      Pages: 91-91

    • NAID

      130004646647

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2004 Annual Research Report 2004 Final Research Report Summary
  • [Journal Article] Sulfur source for the 1991-1995 Unzen eruption : Evidence from melt inclusions in pyroxenes2003

    • Author(s)
      Satoh, H., Saito, G., Shinohara, H., Yamaguchi, Y.
    • Journal Title

      Geophysical Research Letters 30

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2004 Annual Research Report 2004 Final Research Report Summary
  • [Journal Article] Synthetic silica glass for trace aluminum analysis in quartz by electron microprobe.2003

    • Author(s)
      Miyoshi, N., Satoh, H., Yamaguchi, Y., Masuda, H.
    • Journal Title

      The Journal of Geostandards and Geoanalysis 27

      Pages: 91-98

    • NAID

      130004646647

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2004 Final Research Report Summary
  • [Journal Article] Sulfur source for the 1991-1995 Unzen eruption : Evidence from melt inclusions in pyroxenes.2003

    • Author(s)
      Satoh, H., Saito, G., Shinohara, H., Yamaguchi, Y.
    • Journal Title

      Geophysical Research Letters 30, 20

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2004 Final Research Report Summary
  • [Journal Article] Amphibole zoning, a record of progressive oxidation during crystallization of mafic microgranular enclaves in the Kurobegawa Granitic Pluton.2003

    • Author(s)
      Yamaguchi, Y., Wada, H., Ohta, Y., Harayama, S.
    • Journal Title

      Journal of Mineralogical and Petrological Sciences 98

      Pages: 151-155

    • NAID

      10011672289

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2004 Final Research Report Summary
  • [Publications] Miyoshi, N., Satoh, H., Yamaguchi, Y., Masuda, H: "Synthetic silica glass for trace aluminum analysis in quartz by electron microprobe"The Journal of Geostandards and Geoanalysis, 27, 91-98. 27. 91-98 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Satoh, H., Saito, G., Shinohara, H., Yamaguchi, Y.: "Sulfur source for the 1991-1995 Unzen eruption : Evidence from melt inclusions in pyroxenes"Geophysical Research Letters. 30・23. SDE9-1-SDE9-5 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Yamaguchi, Y., Wada, H., Ohta, Y., Harayama, S.: "Amphibole zoning, a record of progressive oxidation during crystallization of mafic microgranular enclaves in the Kurobegawa Pluton"Journal of Mineralogical and Petrological Sciences. 98. 151-155 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Wada, H., Harayama, S., Yamaguchi, Y.: "Mafic enclaves froating through a vertically fractionating felsic magma chamber : The Kurobegawa Granitic Pluton, Hida Mountain Range, central Japan"Geological Society of America Bulletin. (in press).

    • Related Report
      2003 Annual Research Report

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Published: 2003-04-01   Modified: 2016-04-21  

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