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Geology and Paleontology of the Takakurayama-Yaguki Area, Yotsukura-cho, Fukushima Prefecture
http://hdl.handle.net/10097/28796
http://hdl.handle.net/10097/28796b011b078-0aec-456b-9bbc-eced7c6cf429
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
KJ00004211714.pdf (11.7 MB)
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| Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||||
|---|---|---|---|---|---|---|---|---|
| 公開日 | 2008-05-02 | |||||||
| タイトル | ||||||||
| タイトル | Geology and Paleontology of the Takakurayama-Yaguki Area, Yotsukura-cho, Fukushima Prefecture | |||||||
| 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 | |||||||
| 著者 |
Yanagisawa, Ichiro
× Yanagisawa, Ichiro
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| 抄録 | ||||||||
| 内容記述タイプ | Abstract | |||||||
| 内容記述 | Geological and paleontological studies were made of the structurally complex and paleontologically little known Takakura-yama--Yaguki area situated in the hilly region west of Yotsukura-cho, Iwaki City, Fukushima Prefecture. The terrain, made geologically complex by the many major reverse and thrust faults accompanied with normal ones and intimately associated with large intrusive rock bodies has been classified into two groups and six formations and one member. Of the two groups, the lower or Niidagawa (Devonian-Carboniferous) chiefly consists of metamorphic rocks whereas the upper or Takakura-yama (Early to Middle Permian) is of normal sedimentaries. Paleontological evidences (mainly fusulinids, brachiopods and molluscs) for geological age determination are found in the Takakura-yama Group but not in the Niidagawa, which age is judged based upon correlation with formations in the northern part of the Abukuma Massif (adjoining the present area) and the southern part of the Kitakami Massif of similar geostructure, lithological resemblance and stratigraphical relationship with subjacent and superjacent units. The metamorphic rock series (Niidagawa Group) seems to have originally been of marine neritic origin, but it is also assumed that the original sedimentary environment was not favorable to shallow water marine organisms. The sedimentary environment of the Takakura-yama Group was not an excellent one for the growth and flourishing of marine organisms, judged from the abundant dwarf forms. From the occurrence of many planktonic organisms (fusulinids, ammonites, nautiloids) collected from the muddy sediments, it is judged that the sedimentary basin had free connection with the open sea. | |||||||
| 書誌情報 |
The science reports of the Tohoku University. Second series, Geology = 東北大学理科報告. 地質学 巻 39, 号 1, p. 63-A16, 発行日 1967-11-05 |
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| ISSN | ||||||||
| 収録物識別子タイプ | ISSN | |||||||
| 収録物識別子 | 0082464X | |||||||
| 書誌レコードID | ||||||||
| 収録物識別子タイプ | NCID | |||||||
| 収録物識別子 | AA00836349 | |||||||
| フォーマット | ||||||||
| 内容記述タイプ | Other | |||||||
| 内容記述 | application/pdf | |||||||
| 著者版フラグ | ||||||||
| 出版タイプ | VoR | |||||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||
| 出版者 | ||||||||
| 出版者 | Tohoku University | |||||||
| 資源タイプ | ||||||||
| 内容記述タイプ | Other | |||||||
| 内容記述 | 紀要類(bulletin) | |||||||
| 登録日 | ||||||||
| 日付 | 2008-05-02 | |||||||
| 日付タイプ | Created | |||||||
| 公開日（投稿完了日） | ||||||||
| 日付 | 2008-05-02 | |||||||
| 日付タイプ | Created | |||||||
| 発行日 | ||||||||
| 日付 | 1967-11-05 | |||||||
| 日付タイプ | Created | |||||||
| フォーマット | ||||||||
| 内容記述タイプ | Other | |||||||
| 内容記述 | 11720526 bytes | |||||||
| 更新日 | ||||||||
| 日付 | 2010-01-27 | |||||||
| 日付タイプ | Created | |||||||
