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Probable fungal origin of perylene in Late Cretaceous to Paleogene terrestrial sedimentary rocks of northeastern Japan as indicated from stable carbon isotopes

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タイトル: Probable fungal origin of perylene in Late Cretaceous to Paleogene terrestrial sedimentary rocks of northeastern Japan as indicated from stable carbon isotopes
著者: Suzuki, Noriyuki 著作を一覧する
Yessalina, Svetlana 著作を一覧する
Kikuchi, Toru 著作を一覧する
キーワード: perylene
carbon isotope ratio
fungal biomarker
fungi
PAH
Eocene
発行日: 2010年 3月
出版者: Elsevier
誌名: Organic Geochemistry
巻: 41
号: 3
開始ページ: 234
終了ページ: 241
出版社 DOI: 10.1016/j.orggeochem.2009.11.010
抄録: Perylene is present in high concentration in Paleogene sediments from the Sanriku-oki borehole of the Ministry of International Trade and Industry (MITI), northeastern Japan. The borehole penetrates a thick sequence of Late Cretaceous to Neogene sediments deposited under a range of conditions, including fluvial-deltaic and shallow marine environments. Organic petrological and geochemical data show the sediments to be rich in organic matter derived from higher plants. Biomarker analysis of aliphatic and aromatic hydrocarbons confirms a significant input from higher plants, with extracts dominated by numerous gymnosperm- and angiosperm-derived biomarkers such as diterpanes, oleanenes, des-A-triterpanes and their aromatized counterparts. The highest concentration of perylene occurs in Middle Eocene sediments deposited in a relatively reducing environment. Stable carbon isotope compositions show 13C enrichment in perylene compared to gymnosperm and angiosperm biomarkers, suggesting a fungal origin. This elevated abundance of sedimentary perylene could relate to a Paleogene continental climate where fungi flourished.
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/42948
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 鈴木 徳行

 

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