北海道西南部美利河～国縫地域におけるグリーン・タフ中のゼオライト

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タイトル別名
  • Zeolites in the Green Tuff Formation of the Pirika-Kun'nui District, Southwest Hokkaido, Japan
  • ホッカイドウ セイナンブ ビリガワ コク ホウチイキ ニ オケル グリーン タ

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抄録

A new locality of zeolite resources was found in the Pirika-Kun'nui district, Southwest Hokkaido.<BR>The Tertiary system of this area, which is situated in the so-called Green Tuff Region, can be divided into the Setana, Kuromatsunai, Yakumo and Kun'nui formations in descending order.<BR>Zeolitic rocks are found in the Kun'nui formation composed of the Miocene pyroclastic rocks. These zeolitic rocks consist mainly of clinoptilolite and mordenite. The zeolites in these rocks are altered product from volcanic glass of rhyolite-tuffs.<BR>In this paper the results by means of X-ray diffraction and chemical analysis are described.

収録刊行物

  • 粘土科学

    粘土科学 15 (2), 35-47, 1975

    一般社団法人 日本粘土学会

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