愛媛県砥部町の万年変質安山岩体に貴人する高マグネシア安山岩 High-magnesian andesite intruding the Mannen altered andesite in the Tobe Town, Ehime Prefecture, Japan

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抄録

Olivine-orthopyroxene-andesite in Tobe Town, Ehime Prefecture, Japan has been investigated based on geology and petrology. It intrudes into the Mannen altered andesite but it has not undergone hydrothermal alteration. The olivine-orthopyroxene-andesite contains Mg-rich olivine and orthopyroxene and Cr-rich chromite. It is a high-Mg andesite (HMA) based on petrography and bulk rock chemistry. From the effect of the hydrothermal alteration the age of the intrusion is inferred to be immediately after the hydrothermal alteration of the Mannen altered andesite.

Olivine-orthopyroxene-andesite in Tobe Town, Ehime Prefecture, Japan has been investigated based on geology and petrology. It intrudes into the Mannen altered andesite but it has not undergone hydrothermal alteration. The olivine-orthopyroxene-andesite contains Mg-rich olivine and orthopyroxene and Cr-rich chromite. It is a high-Mg andesite (HMA) based on petrography and bulk rock chemistry. From the effect of the hydrothermal alteration the age of the intrusion is inferred to be immediately after the hydrothermal alteration of the Mannen altered andesite.

収録刊行物

  • 愛媛大学理学部紀要

    愛媛大学理学部紀要 12, 1-9, 2006-03-25

    愛媛大学

各種コード

  • NII論文ID(NAID)
    110005856503
  • NII書誌ID(NCID)
    AN10408332
  • 本文言語コード
    JPN
  • 資料種別
    Departmental Bulletin Paper
  • 雑誌種別
    大学紀要
  • ISSN
    09195203
  • NDL 記事登録ID
    8820868
  • NDL 雑誌分類
    ZM2(科学技術--科学技術一般--大学・研究所・学会紀要)
  • NDL 請求記号
    Z14-2057
  • データ提供元
    NDL  NII-ELS  IR 
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