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生体鉱物化作用によるパイライトの生成: ケイ藻中に生成したパイライト
https://doi.org/10.24517/00061653
https://doi.org/10.24517/00061653b0d9e390-813b-48a0-b27c-0b56a0f90082
名前 / ファイル | ライセンス | アクション |
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SC-PR-TAZAKI-K-36.pdf (852.7 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-07-19 | |||||
タイトル | ||||||
タイトル | 生体鉱物化作用によるパイライトの生成: ケイ藻中に生成したパイライト | |||||
言語 | ||||||
言語 | jpn | |||||
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 | journal article | |||||
ID登録 | ||||||
ID登録 | 10.24517/00061653 | |||||
ID登録タイプ | JaLC | |||||
著者 |
堀坂, 明生
× 堀坂, 明生× 田崎, 和江× 野田, 修司 |
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著者別表示 |
Horisaka, Akio
× Horisaka, Akio× Tazaki, Kazue× Noda, Shuji |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学理工研究域地球社会基盤学系 | |||||
書誌情報 |
粘土科学 en : Journal of the Clay Science Society of Japan 巻 33, 号 1, p. 36-43, 発行日 1993-05-25 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0470-6455 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2186-3563 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA1155672X | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.11362/jcssjnendokagaku1961.33.36 | |||||
出版者 | ||||||
出版者 | 日本粘土学会 The Clay Science Society of Japan | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Biomineralization of pyrite has been found inside of diatom cell in sludge (Hedoro) of Lake Nakaumi. Direct observations by using SEM equipped with BSI, and EDX revealed formation processes of microbial pyrite. In sludge (0-2.5cm depth) numerous diatoms (Coscinodiscus nitidus) form several framboidal pyrite (5μm diameter) inside cell. The framboidal pyrite are coated by thin film compose of Fe and S that is the almost same composition as pyrite. The BSI image shows slightly weak dense on the surface of film suggesting presence of organics. Chemical composition of normal diatom cell is alomst pure Si. On the other hand, the diatom forming pyrite shows elementary differences between girdle and valve. Chemistory of the girdle shows Fe and S elements indicating substitution of Si. Quantity of Fe and S increases outside to inside of girdle. The formation process of framboidal pyrite inside cell is as follows: The first step is formation of spherical FeS mineral (pyrrhotite), next step is a mixture of pyrite and pyrrhotite by adding S and dehydration. Then the mixture makes a rough framboid. Hexahedron and pentagonal dodecahedron are the characteristic crystal habits of framboidal pyrite in diatom. Some framboidal pyrite coated by thin film of clays with organics. Dozens of framboid aggregate form a ball 50μm in diameter. Formation of framboidal pyrite in diatom should be initially controlled by organics of biofilm. | |||||
権利 | ||||||
権利情報 | Copyright © 日本粘土学会 The Clay Science Society of Japan | |||||
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 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.jstage.jst.go.jp/browse/jcssjnendokagaku/-char/ja | |||||
関連名称 | https://www.jstage.jst.go.jp/browse/jcssjnendokagaku/-char/ja | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.cssj2.org/ | |||||
関連名称 | http://www.cssj2.org/ |