2011 Fiscal Year Final Research Report
Ancient marine environments estimated from semi-in-situ observation of microbial mat
| Project/Area Number |
22654059
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Geology
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| Research Institution | Kyushu University |
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Principal Investigator |
KANO Akihiro 九州大学, 大学院・比較社会文化研究院, 教授 (60231263)
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| Project Period (FY) |
2010 – 2011
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| Keywords | トゥファ / 鍾乳石 / 古気候解析 / 安定同位体 / アジアモンスーン |
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| Research Abstract |
Microbial mats in hydrothermal environments provide a key tounderstand the signatures from microbial processes recorded in Archean-Proterozoicsediments. For the mats on the calcium carbonate travertines, this study investigatedmicrobial effects to the sedimentary textures through the physicochemical change at thewater-sediment interface. The results from Nagayu hot-spring(Ohita Prefecture), Anrakuhot-spring(Kagoshima Prefecture), and Pancuran Pitu(Indonesia) indicate that thelaminated textures are daily owning to the cyanobacterial metabolic cycle. Similarinvestigation was also performed for tufa deposits in the ambient temperature setting.
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[Journal Article] Microbial processes forming daily lamination in an aragonite travertine, Nagano-yu hot spring, southwest Japan2011
Author(s)
Okumura, T., Takashima, C., Shiraishi, F., Nishida, N., Yukimura, K., Naganuma, T., Koike, H., Arp, G. and Kano, A
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Journal Title
Geomicrobiology Journal
Volume: 28
Pages: 135-148
Peer Reviewed
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[Journal Article] Textural transition in an aragonite travertine formed under various flow conditions at Pancuran Pitu, Central Java, Indonesia
Author(s)
Okumura, T., Takashima, C., Shiraishi, F., Akmaluddin, Kano, A
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Journal Title
Sedimentary Geology
Volume: in press
Peer Reviewed
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