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  1. 広島大学の刊行物
  2. Journal of science of the Hiroshima University. Series C, Geology and mineralogy
  3. 5巻2号

Magnetometric and Röntgenometric Studies of Pyrrhotite from the Kawayama Mine, Japan

https://doi.org/10.15027/53022
https://doi.org/10.15027/53022
5b6cb538-a300-49d0-8dcb-f94f1932a341
名前 / ファイル ライセンス アクション
JSHUC_5-2_113.pdf JSHUC_5-2_113.pdf (3.7 MB)
Item type デフォルトアイテムタイプ_(フル)(1)
公開日 2023-03-18
タイトル
タイトル Magnetometric and Röntgenometric Studies of Pyrrhotite from the Kawayama Mine, Japan
言語 en
作成者 TAKENO, Setsuo

× TAKENO, Setsuo

en TAKENO, Setsuo

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
内容記述
内容記述 Pyrrhotites (FeSx), of various compositions, collected chiefly from the Kawayama mine have been subjected to investigation. The value of saturation magnetization (σs) depending on the composition is in the range of 0 ~22 e.m.u./gr. for x=1.066~1. 142. It is deduced from a maximum value of saturation magnetization that Fe3+ ions are present mainly in the B layer and partly in the A layer of the Bertaut type structure. Natural specimens of pyrrhotite are on the basis of the magnetic susceptibility versus temperature (σ-T) relations classified into four types : 1) Type I, with no α- and γ-transformations above the room temperature and very small σ in magnetic susceptibility, 2) Type II, with well defined γ-transformations, 3) Type III, showing γ-transformation superposed on σ-T curve of Weiss type, and 4) Type IV, with σ-T curve of Weiss type. The saturation magnetization and composition range are σs. ≲1 and 1.05 ≲ x ≲ 1. 09 for Type I,1≲σs≲ 6 and 1.09 ≲ x ≲ 1.11 for Type II, 6 ≲σs ≲ 15 and 1.11 ≲ x≲ 1.13 for Type III, and σs≳ 15 and x ≳ 1.13 for Type IV respectively. A simple relation is found between the temperature of γ-transformation and the composition, making possible to determine the composition of natural pyrrhotite belonging to the Type II. It is clear that the central part of the related ore deposit is occupied by pyrrhotite with smaller value of σs corresponding to that of the mineral with less iron deficiency than for that of the outer part.
言語 en
出版者
出版者 HIROSHIMA UNIVERSITY
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ departmental bulletin paper
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ID登録
ID登録 10.15027/53022
ID登録タイプ JaLC
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 0075-4374
収録物識別子
収録物識別子タイプ NCID
収録物識別子 AA00706718
開始ページ
開始ページ 113
書誌情報 Journal of science of the Hiroshima University. Series C, Geology and mineralogy
Journal of science of the Hiroshima University. Series C, Geology and mineralogy

巻 5, 号 2, p. 113-156, 発行日 1966-05-31
旧ID 53022
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