Upper Triassic reefal limestone from the Sambosan accretionary complex in Japan and its geological implication
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- Onoue Tetsuji
- Department of Earth and Environmental Sciences, Kagoshima University
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- Chablais Jérôme
- Department of Geology and Palaeontology, University of Geneva
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- Martini Rossana
- Department of Geology and Palaeontology, University of Geneva
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説明
Upper Triassic limestone within the Sambosan accretionary complex in Japan contains reefal facies that accumulated on a mid-oceanic seamount in the Panthalassa Ocean. Such limestone is found at the Inaba Cave locality along the Shimanto River, central Shikoku. The reefal limestone occupies part of a bioclast-rich limestone that occurs as an allochthonous tectonic slab. The reefal limestone is characterized by sponge-algal rudstone-floatstone and coral bafflestone rich in Retiophyllia. Megalodonts floatstone also occurs in association with the reefal facies. Although the lateral continuity and exact relationship between the Megalodonts floatstone and the reefal facies remain uncertain, this is the first report in which this unique facies association has been described in the Sambosan accretionary complex.
収録刊行物
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- 地質学雑誌
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地質学雑誌 115 (6), 292-295, 2009
一般社団法人 日本地質学会
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詳細情報 詳細情報について
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- CRID
- 1390282681213756800
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- NII論文ID
- 130000123131
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- NII書誌ID
- AN00141768
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- ISSN
- 13499963
- 00167630
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- NDL書誌ID
- 10337679
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可