On the Kitaôshima Granite Gneiss Complex

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タイトル ( eng )
On the Kitaôshima Granite Gneiss Complex
作成者
KOJIMA George
OKAMURA Yoshihiko
収録物名
Journal of science of the Hiroshima University. Series C, Geology and mineralogy
5
4
開始ページ 295
終了ページ 306
抄録
In the Yanai-Yashirojima (Oshima) district, Yamaguchi Pref., in the Ryôke metamorphic belt, a composite mass consisting of granite gneiss (orthogneiss) and basic gneiss occurs surrounded by the layered syntectic granodiorite. Various features, especially such as agmatitic behaviour in granitization, the presence of metamorphic dyke and granitized "fault", strongly suggest that the granite gneiss complex had been brought up to the tectonic level of brittle fracturing in the state of gneiss before the metamorphism and granitization of the Ryôke age began. It is suggested that the Kitaôshima granite gneiss complex would represent a fragment of the basement under the Upper Palaeozoic geosyncline in the innerside of Southwest Japan. Furthermore, the possibility of pre-Permian land between the innerside and the outerside of South-west Japan is suggested.
言語
英語
資源タイプ 紀要論文
出版者
HIROSHIMA UNIVERSITY
発行日 1968-03-31
出版タイプ Version of Record(出版社版。早期公開を含む)
アクセス権 オープンアクセス
収録物識別子
[ISSN] 0075-4374
[NCID] AA00706718