愛媛県砥部町における万年安山岩体周辺の地質および熱水変質作用  [in Japanese] Geology and hydrothermal alteration of Mannen altered andesite in the Tobe town, Ehime Prefecture, Japan  [in Japanese]

Access this Article

Search this Article

Author(s)

Abstract

Geology and hydrothermal alteration of the Mannen altered andesite in Tobe Town, Ehime Prefecture, Japan, has been investigated based on field survey and petrography. The Mannen andesite intrudes into the Sanbagawa metamorphic rocks and the Middle Miocene Kuma group after the formation of breccia including only clasts of the Sanbagawa basic schist. The Mannen andesite body have undergone extensive hydrothermal alteration and mineralization. The alteration is characterized by the occurrences of quartz, illite, kaolinite, carbonates, chlorite, anaterze, pyrite, arsenopyrite, marcasite, stibnite and chalcopyrite. The texture of sulfide minerals can be divided into five types, sparse, sand, spot, vein and pool, black-ink-drawing types on the basis of the mode of occurrences of sulfide minerals.

Geology and hydrothermal alteration of the Mannen altered andesite in Tobe Town, Ehime Prefecture, Japan, has been investigated based on field survey and petrography. The Mannen andesite intrudes into the Sanbagawa metamorphic rocks and the Middle Miocene Kuma group after the formation of breccia including only clasts of the Sanbagawa basic schist. The Mannen andesite body have undergone extensive hydrothermal alteration and mineralization. The alteration is characterized by the occurrences of quartz, illite, kaolinite, carbonates, chlorite, anaterze, pyrite, arsenopyrite, marcasite, stibnite and chalcopyrite. The texture of sulfide minerals can be divided into five types, sparse, sand, spot, vein and pool, black-ink-drawing types on the basis of the mode of occurrences of sulfide minerals.

Journal

  • Memoirs of the Faculty of Science,Ehime University

    Memoirs of the Faculty of Science,Ehime University 11, 19-26, 2005

    Ehime University

Codes

  • NII Article ID (NAID)
    110004715623
  • NII NACSIS-CAT ID (NCID)
    AN10408332
  • Text Lang
    JPN
  • Article Type
    Departmental Bulletin Paper
  • Journal Type
    大学紀要
  • ISSN
    09195203
  • NDL Article ID
    7731640
  • NDL Source Classification
    ZM2(科学技術--科学技術一般--大学・研究所・学会紀要)
  • NDL Call No.
    Z14-2057
  • Data Source
    NDL  NII-ELS  IR 
Page Top