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GEOCHEMICAL CHARACTERISTICS OF ORGANIC COMPONENTS IN SOILS OF THE McMURDO DRY VALLEYS, ANTARCTICA
https://doi.org/10.15094/00002702
https://doi.org/10.15094/00002702ceffecaa-046d-49aa-9c52-8c46ad8dcfd8
名前 / ファイル | ライセンス | アクション |
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KJ00002368285 (115.6 kB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1991-09-01 | |||||
タイトル | ||||||
タイトル | GEOCHEMICAL CHARACTERISTICS OF ORGANIC COMPONENTS IN SOILS OF THE McMURDO DRY VALLEYS, ANTARCTICA | |||||
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 | |||||
ID登録 | ||||||
ID登録 | 10.15094/00002702 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
記事種別(英) | ||||||
en | ||||||
ABSTRACT | ||||||
論文名よみ | ||||||
その他のタイトル | GEOCHEMICAL CHARACTERISTICS OF ORGANIC COMPONENTS IN SOILS OF THE McMURDO DRY VALLEYS, ANTARCTICA | |||||
著者名よみ |
マツモト, ゲンキ
× マツモト, ゲンキ× ヒロタ, コウイツ× ワタヌキ, クニヒコ× トリイ, テツヤ |
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著者名(英) |
MATSUMOTO, Genki I.
× MATSUMOTO, Genki I.× HIROTA, Koitsu× WATANUKI, Kunihiko× TORII, Tetsuya |
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著者所属(英) | ||||||
en | ||||||
Department of Chemistry, College of Arts and Sciences, University of Tokyo | ||||||
著者所属(英) | ||||||
en | ||||||
Shonan Institute of Technology | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Chemistry, College of Arts and Sciences, University of Tokyo | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Polar Research Association | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Geochemical characteristics of hydrocarbons, fatty acids, hydroxy acids and dicarboxylic acids in soil samples from the Wright and Taylor Valleys of the McMurdo Dry Valleys in Victoria Land, Antarctica are discussed in relation to source materials. Unusually, long-chain (>C_<19>) n-alkanes (n-C_<23>, n-C_<25> and n-C_<27>) and n-alkenes [n-C_<23 : 1> (carbon chain length : number of double bonds), n-C_<25 : 1>, n-C_<27 : 1> and n-C_<29 : 2>] with a predominance of odd-carbon numbers are major hydrocarbons. Normal alkanoic acids showing a predominance of even-carbon numbers are detected, as the major fatty acids, together with small amounts of iso-and anteiso-alkanoic, and n-alkenoic acids. A series of 3-hydroxy (C_8-C_<30>) and (ω-1)-hydroxy acids (C_<22>-C_<30>) with a predominance of even-carbon numbers are found in the soil samples, while 2-hydroxy (C_8-C_<30>), ω-hydroxy (C_8-C_<30>) and α, ω-dicarboxylic acids (C_8-C_<31>)showed no even-carbon predominance. Visual kerogen showed that amorphous materials are major components (68-98%) with small amounts of very fine coal (2-32%), although no woody and herbaceous materials are present. The occurrence of mature isomers of steranes and triterpanes, small amounts of n-alkenoic acids, visual kerogen results and microscopic data of microorganisms suggest that organic components in the soil samples were derived from various sources, i. e., erosion of the Beacon Supergroup sedimentary rocks, past biological debris containing vascular plant wax formed in preand inter-glacial periods from Eocene to Pliocene, and wind-transported cyanobacterial mats, containing various microorganisms, rather than from living microorganisms. These organic components reflect the probable drastic changes in environmental conditions over geological time for organisms in the McMurdo Dry Valleys and adjacent regions. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA1072335X | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Antarctic Geosciences 巻 5, p. 165, 発行日 1991-09 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |