The sources of phosphorus for the phosphatic rocks in the Toyoma Formation, Northeastern Japan
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概要
- 論文の詳細を見る
The apatite in the phosphatic rocks of the Toyoma Formation is carbonate fluorapatite highly enriched in Ce and Y. The Ce and Y enrichment of the apatite suggests that the source of phosphorus is biogenic phosphate mineral debris such as fish bones, teeth and scales rather than phosphorus-bearing organic matter. The spatially and stratigraphically limited distribution of the phosphatic rocks in the formation is in accord with this view.
- 信州大学の論文
- 2005-03-30
著者
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MORIKIYO Toshiro
Department of Geology, Shinshu University
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Matsunaga K
Department Of Chemistry Faculty Of Engineering Science Osaka University
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Morikiyo T
Department Of Geology Faculty Of Science Shinshu University
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MATSUNAGA Kinuko
Department of Geology, Faculty of Science, Shinshu University
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IWAMASA Kazuo
Department of Geology, Faculty of Science, Shinshu University
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Iwamasa Kazuo
Department Of Geology Faculty Of Science Shinshu University
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Matsunaga Kinuko
Department Of Geology Faculty Of Science Shinshu University
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Iwamasa K
Department of Geology, Faculty of Science, Shinshu University
関連論文
- Finding dolomitic melnoite diatreme at Badou in the Laiwu–Zibo area, Shandong province, China
- The sources of phosphorus for the phosphatic rocks in the Toyoma Formation, Northeastern Japan
- Variations of divalent cation concentrations in pore water and the precipitation of Mg-rich authigenic mineral during early diagenesis of Toyoma Formation
- The genesis of phosphatic and carbonate rocks in the Toyoma Formation, Northeastern Japan